Revision: 69121
          http://sourceforge.net/p/brlcad/code/69121
Author:   starseeker
Date:     2016-10-18 19:57:50 +0000 (Tue, 18 Oct 2016)
Log Message:
-----------
After discussion, we should have enough time to shake down the libnmg move 
before release and we don't want it to linger to the point where we have to 
make more changes to make it work.  Break out libnmg.

Modified Paths:
--------------
    brlcad/trunk/include/nmg.h
    brlcad/trunk/src/CMakeLists.txt
    brlcad/trunk/src/conv/CMakeLists.txt
    brlcad/trunk/src/conv/asc/CMakeLists.txt
    brlcad/trunk/src/conv/iges/CMakeLists.txt
    brlcad/trunk/src/conv/ply/CMakeLists.txt
    brlcad/trunk/src/conv/raw/CMakeLists.txt
    brlcad/trunk/src/libgcv/CMakeLists.txt
    brlcad/trunk/src/libged/CMakeLists.txt
    brlcad/trunk/src/librt/CMakeLists.txt
    brlcad/trunk/src/libtclcad/CMakeLists.txt
    brlcad/trunk/src/libwdb/CMakeLists.txt
    brlcad/trunk/src/mged/CMakeLists.txt
    brlcad/trunk/src/proc-db/CMakeLists.txt
    brlcad/trunk/src/rt/CMakeLists.txt
    brlcad/trunk/src/util/CMakeLists.txt

Added Paths:
-----------
    brlcad/trunk/src/libnmg/
    brlcad/trunk/src/libnmg/CMakeLists.txt
    brlcad/trunk/src/libnmg/bool.c
    brlcad/trunk/src/libnmg/ck.c
    brlcad/trunk/src/libnmg/class.c
    brlcad/trunk/src/libnmg/copy.c
    brlcad/trunk/src/libnmg/eval.c
    brlcad/trunk/src/libnmg/extrude.c
    brlcad/trunk/src/libnmg/fcut.c
    brlcad/trunk/src/libnmg/fuse.c
    brlcad/trunk/src/libnmg/index.c
    brlcad/trunk/src/libnmg/info.c
    brlcad/trunk/src/libnmg/inter.c
    brlcad/trunk/src/libnmg/isect.c
    brlcad/trunk/src/libnmg/junk.c
    brlcad/trunk/src/libnmg/manif.c
    brlcad/trunk/src/libnmg/mesh.c
    brlcad/trunk/src/libnmg/misc.c
    brlcad/trunk/src/libnmg/mk.c
    brlcad/trunk/src/libnmg/mod.c
    brlcad/trunk/src/libnmg/nurb_basis.c
    brlcad/trunk/src/libnmg/nurb_bezier.c
    brlcad/trunk/src/libnmg/nurb_bound.c
    brlcad/trunk/src/libnmg/nurb_c2.c
    brlcad/trunk/src/libnmg/nurb_copy.c
    brlcad/trunk/src/libnmg/nurb_diff.c
    brlcad/trunk/src/libnmg/nurb_eval.c
    brlcad/trunk/src/libnmg/nurb_flat.c
    brlcad/trunk/src/libnmg/nurb_interp.c
    brlcad/trunk/src/libnmg/nurb_knot.c
    brlcad/trunk/src/libnmg/nurb_norm.c
    brlcad/trunk/src/libnmg/nurb_oslo_calc.c
    brlcad/trunk/src/libnmg/nurb_oslo_map.c
    brlcad/trunk/src/libnmg/nurb_plot.c
    brlcad/trunk/src/libnmg/nurb_poly.c
    brlcad/trunk/src/libnmg/nurb_ray.c
    brlcad/trunk/src/libnmg/nurb_refine.c
    brlcad/trunk/src/libnmg/nurb_reverse.c
    brlcad/trunk/src/libnmg/nurb_solve.c
    brlcad/trunk/src/libnmg/nurb_split.c
    brlcad/trunk/src/libnmg/nurb_tess.c
    brlcad/trunk/src/libnmg/nurb_trim.c
    brlcad/trunk/src/libnmg/nurb_trim_util.c
    brlcad/trunk/src/libnmg/nurb_util.c
    brlcad/trunk/src/libnmg/nurb_xsplit.c
    brlcad/trunk/src/libnmg/plot.c
    brlcad/trunk/src/libnmg/pr.c
    brlcad/trunk/src/libnmg/pt_fu.c
    brlcad/trunk/src/libnmg/tri.c
    brlcad/trunk/src/libnmg/visit.c

Removed Paths:
-------------
    brlcad/trunk/src/librt/primitives/bspline/nurb_basis.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_bezier.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_bound.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_c2.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_copy.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_diff.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_eval.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_flat.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_interp.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_knot.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_norm.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_oslo_calc.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_oslo_map.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_plot.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_poly.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_ray.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_refine.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_reverse.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_solve.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_split.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_tess.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_trim.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_trim_util.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_util.c
    brlcad/trunk/src/librt/primitives/bspline/nurb_xsplit.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_bool.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_ck.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_class.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_copy.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_eval.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_extrude.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_fcut.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_fuse.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_index.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_info.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_inter.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_junk.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_manif.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_mesh.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_misc.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_mk.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_mod.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_plot.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_pr.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_pt_fu.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_rt_isect.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_tri.c
    brlcad/trunk/src/librt/primitives/nmg/nmg_visit.c

Modified: brlcad/trunk/include/nmg.h
===================================================================
--- brlcad/trunk/include/nmg.h  2016-10-18 16:24:15 UTC (rev 69120)
+++ brlcad/trunk/include/nmg.h  2016-10-18 19:57:50 UTC (rev 69121)
@@ -68,8 +68,20 @@
 #include "bn/tol.h"
 #include "bn/vlist.h"
 #include "vmath.h"
-#include "rt/defines.h" /* for RT_EXPORT */
 
+#ifndef NMG_EXPORT
+#  if defined(NMG_DLL_EXPORTS) && defined(NMG_DLL_IMPORTS)
+#    error "Only NMG_DLL_EXPORTS or NMG_DLL_IMPORTS can be defined, not both."
+#  elif defined(NMG_DLL_EXPORTS)
+#    define NMG_EXPORT __declspec(dllexport)
+#  elif defined(NMG_DLL_IMPORTS)
+#    define NMG_EXPORT __declspec(dllimport)
+#  else
+#    define NMG_EXPORT
+#  endif
+#endif
+
+
 __BEGIN_DECLS
 
 #define DEBUG_PL_ANIM   0x00000001     /**< @brief 1 mged: animated evaluation 
*/
@@ -184,7 +196,7 @@
        }
 
 
-RT_EXPORT extern uint32_t nmg_debug;      /**< @brief  debug bits for NMG's 
see nmg.h */
+NMG_EXPORT extern uint32_t nmg_debug;      /**< @brief  debug bits for NMG's 
see nmg.h */
 
 /**
  * @brief
@@ -946,18 +958,18 @@
  *   * control points for resulting sub-curves if "Left" and "Right" are
  *    * non-null.
  *     */
-RT_EXPORT extern void bezier(point2d_t *V, int degree, double t, point2d_t 
*Left, point2d_t *Right, point2d_t eval_pt, point2d_t normal );
+NMG_EXPORT extern void bezier(point2d_t *V, int degree, double t, point2d_t 
*Left, point2d_t *Right, point2d_t eval_pt, point2d_t normal );
 
 /**
  *  * Given an equation in Bernstein-Bezier form, find all of the roots
  *   * in the interval [0, 1].  Return the number of roots found.
  *    */
-RT_EXPORT extern int bezier_roots(point2d_t *w, int degree, point2d_t 
**intercept, point2d_t **normal, point2d_t ray_start, point2d_t ray_dir, 
point2d_t ray_perp, int depth, fastf_t epsilon);
+NMG_EXPORT extern int bezier_roots(point2d_t *w, int degree, point2d_t 
**intercept, point2d_t **normal, point2d_t ray_start, point2d_t ray_dir, 
point2d_t ray_perp, int depth, fastf_t epsilon);
 
 /**
  *  * subdivide a 2D bezier curve at t=0.5
  *   */
-RT_EXPORT extern struct bezier_2d_list *bezier_subdivide(struct bezier_2d_list 
*bezier_hd, int degree, fastf_t epsilon, int depth);
+NMG_EXPORT extern struct bezier_2d_list *bezier_subdivide(struct 
bezier_2d_list *bezier_hd, int degree, fastf_t epsilon, int depth);
 
 
 /* TODO - these structs and ray_in_rpp are versions of librt functionality,
@@ -965,7 +977,7 @@
  * and struct that are available to both libraries without introducing a
  * coupling dependency. */
 
-RT_EXPORT extern struct bu_list re_nmgfree;     /**< @brief  head of NMG 
hitmiss freelist */
+NMG_EXPORT extern struct bu_list re_nmgfree;     /**< @brief  head of NMG 
hitmiss freelist */
 
 #define NMG_HIT_LIST    0
 #define NMG_MISS_LIST   1
@@ -1194,71 +1206,71 @@
 /**
  * global nmg animation vblock callback
  */
-RT_EXPORT extern void (*nmg_vlblock_anim_upcall)(void);
+NMG_EXPORT extern void (*nmg_vlblock_anim_upcall)(void);
 
 /**
  * global nmg mged display debug callback (ew)
  */
-RT_EXPORT extern void (*nmg_mged_debug_display_hack)(void);
+NMG_EXPORT extern void (*nmg_mged_debug_display_hack)(void);
 
 
 
 
 /* From file nmg_mk.c */
 /*      MAKE routines */
-RT_EXPORT extern struct model *nmg_mm(void);
-RT_EXPORT extern struct model *nmg_mmr(void);
-RT_EXPORT extern struct nmgregion *nmg_mrsv(struct model *m);
-RT_EXPORT extern struct shell *nmg_msv(struct nmgregion *r_p);
-RT_EXPORT extern struct faceuse *nmg_mf(struct loopuse *lu1);
-RT_EXPORT extern struct loopuse *nmg_mlv(uint32_t *magic,
+NMG_EXPORT extern struct model *nmg_mm(void);
+NMG_EXPORT extern struct model *nmg_mmr(void);
+NMG_EXPORT extern struct nmgregion *nmg_mrsv(struct model *m);
+NMG_EXPORT extern struct shell *nmg_msv(struct nmgregion *r_p);
+NMG_EXPORT extern struct faceuse *nmg_mf(struct loopuse *lu1);
+NMG_EXPORT extern struct loopuse *nmg_mlv(uint32_t *magic,
                                          struct vertex *v,
                                          int orientation);
-RT_EXPORT extern struct edgeuse *nmg_me(struct vertex *v1,
+NMG_EXPORT extern struct edgeuse *nmg_me(struct vertex *v1,
                                         struct vertex *v2,
                                         struct shell *s);
-RT_EXPORT extern struct edgeuse *nmg_meonvu(struct vertexuse *vu);
-RT_EXPORT extern struct loopuse *nmg_ml(struct shell *s);
+NMG_EXPORT extern struct edgeuse *nmg_meonvu(struct vertexuse *vu);
+NMG_EXPORT extern struct loopuse *nmg_ml(struct shell *s);
 /*      KILL routines */
-RT_EXPORT extern int nmg_keg(struct edgeuse *eu);
-RT_EXPORT extern int nmg_kvu(struct vertexuse *vu);
-RT_EXPORT extern int nmg_kfu(struct faceuse *fu1);
-RT_EXPORT extern int nmg_klu(struct loopuse *lu1);
-RT_EXPORT extern int nmg_keu(struct edgeuse *eu);
-RT_EXPORT extern int nmg_keu_zl(struct shell *s,
+NMG_EXPORT extern int nmg_keg(struct edgeuse *eu);
+NMG_EXPORT extern int nmg_kvu(struct vertexuse *vu);
+NMG_EXPORT extern int nmg_kfu(struct faceuse *fu1);
+NMG_EXPORT extern int nmg_klu(struct loopuse *lu1);
+NMG_EXPORT extern int nmg_keu(struct edgeuse *eu);
+NMG_EXPORT extern int nmg_keu_zl(struct shell *s,
                                 const struct bn_tol *tol);
-RT_EXPORT extern int nmg_ks(struct shell *s);
-RT_EXPORT extern int nmg_kr(struct nmgregion *r);
-RT_EXPORT extern void nmg_km(struct model *m);
+NMG_EXPORT extern int nmg_ks(struct shell *s);
+NMG_EXPORT extern int nmg_kr(struct nmgregion *r);
+NMG_EXPORT extern void nmg_km(struct model *m);
 /*      Geometry and Attribute routines */
-RT_EXPORT extern void nmg_vertex_gv(struct vertex *v,
+NMG_EXPORT extern void nmg_vertex_gv(struct vertex *v,
                                     const point_t pt);
-RT_EXPORT extern void nmg_vertex_g(struct vertex *v,
+NMG_EXPORT extern void nmg_vertex_g(struct vertex *v,
                                    fastf_t x,
                                    fastf_t y,
                                    fastf_t z);
-RT_EXPORT extern void nmg_vertexuse_nv(struct vertexuse *vu,
+NMG_EXPORT extern void nmg_vertexuse_nv(struct vertexuse *vu,
                                        const vect_t norm);
-RT_EXPORT extern void nmg_vertexuse_a_cnurb(struct vertexuse *vu,
+NMG_EXPORT extern void nmg_vertexuse_a_cnurb(struct vertexuse *vu,
                                             const fastf_t *uvw);
-RT_EXPORT extern void nmg_edge_g(struct edgeuse *eu);
-RT_EXPORT extern void nmg_edge_g_cnurb(struct edgeuse *eu,
+NMG_EXPORT extern void nmg_edge_g(struct edgeuse *eu);
+NMG_EXPORT extern void nmg_edge_g_cnurb(struct edgeuse *eu,
                                        int order,
                                        int n_knots,
                                        fastf_t *kv,
                                        int n_pts,
                                        int pt_type,
                                        fastf_t *points);
-RT_EXPORT extern void nmg_edge_g_cnurb_plinear(struct edgeuse *eu);
-RT_EXPORT extern int nmg_use_edge_g(struct edgeuse *eu,
+NMG_EXPORT extern void nmg_edge_g_cnurb_plinear(struct edgeuse *eu);
+NMG_EXPORT extern int nmg_use_edge_g(struct edgeuse *eu,
                                     uint32_t *eg);
-RT_EXPORT extern void nmg_loop_g(struct loop *l,
+NMG_EXPORT extern void nmg_loop_g(struct loop *l,
                                  const struct bn_tol *tol);
-RT_EXPORT extern void nmg_face_g(struct faceuse *fu,
+NMG_EXPORT extern void nmg_face_g(struct faceuse *fu,
                                  const plane_t p);
-RT_EXPORT extern void nmg_face_new_g(struct faceuse *fu,
+NMG_EXPORT extern void nmg_face_new_g(struct faceuse *fu,
                                      const plane_t pl);
-RT_EXPORT extern void nmg_face_g_snurb(struct faceuse *fu,
+NMG_EXPORT extern void nmg_face_g_snurb(struct faceuse *fu,
                                        int u_order,
                                        int v_order,
                                        int n_u_knots,
@@ -1269,676 +1281,676 @@
                                        int n_cols,
                                        int pt_type,
                                        fastf_t *mesh);
-RT_EXPORT extern void nmg_face_bb(struct face *f,
+NMG_EXPORT extern void nmg_face_bb(struct face *f,
                                   const struct bn_tol *tol);
-RT_EXPORT extern void nmg_shell_a(struct shell *s,
+NMG_EXPORT extern void nmg_shell_a(struct shell *s,
                                   const struct bn_tol *tol);
-RT_EXPORT extern void nmg_region_a(struct nmgregion *r,
+NMG_EXPORT extern void nmg_region_a(struct nmgregion *r,
                                    const struct bn_tol *tol);
 /*      DEMOTE routines */
-RT_EXPORT extern int nmg_demote_lu(struct loopuse *lu);
-RT_EXPORT extern int nmg_demote_eu(struct edgeuse *eu);
+NMG_EXPORT extern int nmg_demote_lu(struct loopuse *lu);
+NMG_EXPORT extern int nmg_demote_eu(struct edgeuse *eu);
 /*      MODIFY routines */
-RT_EXPORT extern void nmg_movevu(struct vertexuse *vu,
+NMG_EXPORT extern void nmg_movevu(struct vertexuse *vu,
                                  struct vertex *v);
-RT_EXPORT extern void nmg_je(struct edgeuse *eudst,
+NMG_EXPORT extern void nmg_je(struct edgeuse *eudst,
                              struct edgeuse *eusrc);
-RT_EXPORT extern void nmg_unglueedge(struct edgeuse *eu);
-RT_EXPORT extern void nmg_jv(struct vertex *v1,
+NMG_EXPORT extern void nmg_unglueedge(struct edgeuse *eu);
+NMG_EXPORT extern void nmg_jv(struct vertex *v1,
                              struct vertex *v2);
-RT_EXPORT extern void nmg_jfg(struct face *f1,
+NMG_EXPORT extern void nmg_jfg(struct face *f1,
                               struct face *f2);
-RT_EXPORT extern void nmg_jeg(struct edge_g_lseg *dest_eg,
+NMG_EXPORT extern void nmg_jeg(struct edge_g_lseg *dest_eg,
                               struct edge_g_lseg *src_eg);
 
 /* From nmg_mod.c */
 /*      REGION Routines */
-RT_EXPORT extern void nmg_merge_regions(struct nmgregion *r1,
+NMG_EXPORT extern void nmg_merge_regions(struct nmgregion *r1,
                                         struct nmgregion *r2,
                                         const struct bn_tol *tol);
 
 /*      SHELL Routines */
-RT_EXPORT extern void nmg_shell_coplanar_face_merge(struct shell *s,
+NMG_EXPORT extern void nmg_shell_coplanar_face_merge(struct shell *s,
                                                     const struct bn_tol *tol,
                                                     const int simplify,
                                                    struct bu_list *vlfree);
-RT_EXPORT extern int nmg_simplify_shell(struct shell *s, struct bu_list 
*vlfree);
-RT_EXPORT extern void nmg_rm_redundancies(struct shell *s,
+NMG_EXPORT extern int nmg_simplify_shell(struct shell *s, struct bu_list 
*vlfree);
+NMG_EXPORT extern void nmg_rm_redundancies(struct shell *s,
                                           struct bu_list *vlfree,
                                           const struct bn_tol *tol);
-RT_EXPORT extern void nmg_sanitize_s_lv(struct shell *s,
+NMG_EXPORT extern void nmg_sanitize_s_lv(struct shell *s,
                                         int orient);
-RT_EXPORT extern void nmg_s_split_touchingloops(struct shell *s,
+NMG_EXPORT extern void nmg_s_split_touchingloops(struct shell *s,
                                                 const struct bn_tol *tol);
-RT_EXPORT extern void nmg_s_join_touchingloops(struct shell             *s,
+NMG_EXPORT extern void nmg_s_join_touchingloops(struct shell             *s,
                                                const struct bn_tol      *tol);
-RT_EXPORT extern void nmg_js(struct shell       *s1,
+NMG_EXPORT extern void nmg_js(struct shell       *s1,
                              struct shell       *s2,
                             struct bu_list *vlfree,
                              const struct bn_tol        *tol);
-RT_EXPORT extern void nmg_invert_shell(struct shell             *s);
+NMG_EXPORT extern void nmg_invert_shell(struct shell             *s);
 
 /*      FACE Routines */
-RT_EXPORT extern struct faceuse *nmg_cmface(struct shell *s,
+NMG_EXPORT extern struct faceuse *nmg_cmface(struct shell *s,
                                             struct vertex **vt[],
                                             int n);
-RT_EXPORT extern struct faceuse *nmg_cface(struct shell *s,
+NMG_EXPORT extern struct faceuse *nmg_cface(struct shell *s,
                                            struct vertex **vt,
                                            int n);
-RT_EXPORT extern struct faceuse *nmg_add_loop_to_face(struct shell *s,
+NMG_EXPORT extern struct faceuse *nmg_add_loop_to_face(struct shell *s,
                                                       struct faceuse *fu,
                                                       struct vertex **verts,
                                                       int n,
                                                       int dir);
-RT_EXPORT extern int nmg_fu_planeeqn(struct faceuse *fu,
+NMG_EXPORT extern int nmg_fu_planeeqn(struct faceuse *fu,
                                      const struct bn_tol *tol);
-RT_EXPORT extern void nmg_gluefaces(struct faceuse *fulist[],
+NMG_EXPORT extern void nmg_gluefaces(struct faceuse *fulist[],
                                     int n,
                                    struct bu_list *vlfree,
                                     const struct bn_tol *tol);
-RT_EXPORT extern int nmg_simplify_face(struct faceuse *fu, struct bu_list 
*vlfree);
-RT_EXPORT extern void nmg_reverse_face(struct faceuse *fu);
-RT_EXPORT extern void nmg_mv_fu_between_shells(struct shell *dest,
+NMG_EXPORT extern int nmg_simplify_face(struct faceuse *fu, struct bu_list 
*vlfree);
+NMG_EXPORT extern void nmg_reverse_face(struct faceuse *fu);
+NMG_EXPORT extern void nmg_mv_fu_between_shells(struct shell *dest,
                                                struct shell *src,
                                                struct faceuse *fu);
-RT_EXPORT extern void nmg_jf(struct faceuse *dest_fu,
+NMG_EXPORT extern void nmg_jf(struct faceuse *dest_fu,
                              struct faceuse *src_fu);
-RT_EXPORT extern struct faceuse *nmg_dup_face(struct faceuse *fu,
+NMG_EXPORT extern struct faceuse *nmg_dup_face(struct faceuse *fu,
                                               struct shell *s);
 /*      LOOP Routines */
-RT_EXPORT extern void nmg_jl(struct loopuse *lu,
+NMG_EXPORT extern void nmg_jl(struct loopuse *lu,
                              struct edgeuse *eu);
-RT_EXPORT extern struct vertexuse *nmg_join_2loops(struct vertexuse *vu1,
+NMG_EXPORT extern struct vertexuse *nmg_join_2loops(struct vertexuse *vu1,
                                                    struct vertexuse *vu2);
-RT_EXPORT extern struct vertexuse *nmg_join_singvu_loop(struct vertexuse *vu1,
+NMG_EXPORT extern struct vertexuse *nmg_join_singvu_loop(struct vertexuse *vu1,
                                                         struct vertexuse *vu2);
-RT_EXPORT extern struct vertexuse *nmg_join_2singvu_loops(struct vertexuse 
*vu1,
+NMG_EXPORT extern struct vertexuse *nmg_join_2singvu_loops(struct vertexuse 
*vu1,
                                                           struct vertexuse 
*vu2);
-RT_EXPORT extern struct loopuse *nmg_cut_loop(struct vertexuse *vu1,
+NMG_EXPORT extern struct loopuse *nmg_cut_loop(struct vertexuse *vu1,
                                               struct vertexuse *vu2,
                                              struct bu_list *vlfree);
-RT_EXPORT extern struct loopuse *nmg_split_lu_at_vu(struct loopuse *lu,
+NMG_EXPORT extern struct loopuse *nmg_split_lu_at_vu(struct loopuse *lu,
                                                     struct vertexuse *vu);
-RT_EXPORT extern struct vertexuse *nmg_find_repeated_v_in_lu(struct vertexuse 
*vu);
-RT_EXPORT extern void nmg_split_touchingloops(struct loopuse *lu,
+NMG_EXPORT extern struct vertexuse *nmg_find_repeated_v_in_lu(struct vertexuse 
*vu);
+NMG_EXPORT extern void nmg_split_touchingloops(struct loopuse *lu,
                                               const struct bn_tol *tol);
-RT_EXPORT extern int nmg_join_touchingloops(struct loopuse *lu);
-RT_EXPORT extern int nmg_get_touching_jaunts(const struct loopuse *lu,
+NMG_EXPORT extern int nmg_join_touchingloops(struct loopuse *lu);
+NMG_EXPORT extern int nmg_get_touching_jaunts(const struct loopuse *lu,
                                              struct bu_ptbl *tbl,
                                              int *need_init);
-RT_EXPORT extern void nmg_kill_accordions(struct loopuse *lu);
-RT_EXPORT extern int nmg_loop_split_at_touching_jaunt(struct loopuse           
 *lu,
+NMG_EXPORT extern void nmg_kill_accordions(struct loopuse *lu);
+NMG_EXPORT extern int nmg_loop_split_at_touching_jaunt(struct loopuse          
  *lu,
                                                       const struct bn_tol      
 *tol);
-RT_EXPORT extern void nmg_simplify_loop(struct loopuse *lu, struct bu_list 
*vlfree);
-RT_EXPORT extern int nmg_kill_snakes(struct loopuse *lu, struct bu_list 
*vlfree);
-RT_EXPORT extern void nmg_mv_lu_between_shells(struct shell *dest,
+NMG_EXPORT extern void nmg_simplify_loop(struct loopuse *lu, struct bu_list 
*vlfree);
+NMG_EXPORT extern int nmg_kill_snakes(struct loopuse *lu, struct bu_list 
*vlfree);
+NMG_EXPORT extern void nmg_mv_lu_between_shells(struct shell *dest,
                                                struct shell *src,
                                                struct loopuse *lu);
-RT_EXPORT extern void nmg_moveltof(struct faceuse *fu,
+NMG_EXPORT extern void nmg_moveltof(struct faceuse *fu,
                                    struct shell *s);
-RT_EXPORT extern struct loopuse *nmg_dup_loop(struct loopuse *lu,
+NMG_EXPORT extern struct loopuse *nmg_dup_loop(struct loopuse *lu,
                                               uint32_t *parent,
                                               long **trans_tbl);
-RT_EXPORT extern void nmg_set_lu_orientation(struct loopuse *lu,
+NMG_EXPORT extern void nmg_set_lu_orientation(struct loopuse *lu,
                                              int is_opposite);
-RT_EXPORT extern void nmg_lu_reorient(struct loopuse *lu);
+NMG_EXPORT extern void nmg_lu_reorient(struct loopuse *lu);
 /*      EDGE Routines */
-RT_EXPORT extern struct edgeuse *nmg_eusplit(struct vertex *v,
+NMG_EXPORT extern struct edgeuse *nmg_eusplit(struct vertex *v,
                                              struct edgeuse *oldeu,
                                              int share_geom);
-RT_EXPORT extern struct edgeuse *nmg_esplit(struct vertex *v,
+NMG_EXPORT extern struct edgeuse *nmg_esplit(struct vertex *v,
                                             struct edgeuse *eu,
                                             int share_geom);
-RT_EXPORT extern struct edgeuse *nmg_ebreak(struct vertex *v,
+NMG_EXPORT extern struct edgeuse *nmg_ebreak(struct vertex *v,
                                             struct edgeuse *eu);
-RT_EXPORT extern struct edgeuse *nmg_ebreaker(struct vertex *v,
+NMG_EXPORT extern struct edgeuse *nmg_ebreaker(struct vertex *v,
                                               struct edgeuse *eu,
                                               const struct bn_tol *tol);
-RT_EXPORT extern struct vertex *nmg_e2break(struct edgeuse *eu1,
+NMG_EXPORT extern struct vertex *nmg_e2break(struct edgeuse *eu1,
                                             struct edgeuse *eu2);
-RT_EXPORT extern int nmg_unbreak_edge(struct edgeuse *eu1_first);
-RT_EXPORT extern int nmg_unbreak_shell_edge_unsafe(struct edgeuse *eu1_first);
-RT_EXPORT extern struct edgeuse *nmg_eins(struct edgeuse *eu);
-RT_EXPORT extern void nmg_mv_eu_between_shells(struct shell *dest,
+NMG_EXPORT extern int nmg_unbreak_edge(struct edgeuse *eu1_first);
+NMG_EXPORT extern int nmg_unbreak_shell_edge_unsafe(struct edgeuse *eu1_first);
+NMG_EXPORT extern struct edgeuse *nmg_eins(struct edgeuse *eu);
+NMG_EXPORT extern void nmg_mv_eu_between_shells(struct shell *dest,
                                                struct shell *src,
                                                struct edgeuse *eu);
 /*      VERTEX Routines */
-RT_EXPORT extern void nmg_mv_vu_between_shells(struct shell *dest,
+NMG_EXPORT extern void nmg_mv_vu_between_shells(struct shell *dest,
                                                struct shell *src,
                                                struct vertexuse *vu);
 
 /* From nmg_info.c */
 /* Model routines */
-RT_EXPORT extern struct model *nmg_find_model(const uint32_t *magic_p);
-RT_EXPORT extern struct shell *nmg_find_shell(const uint32_t *magic_p);
-RT_EXPORT extern void nmg_model_bb(point_t min_pt,
+NMG_EXPORT extern struct model *nmg_find_model(const uint32_t *magic_p);
+NMG_EXPORT extern struct shell *nmg_find_shell(const uint32_t *magic_p);
+NMG_EXPORT extern void nmg_model_bb(point_t min_pt,
                                    point_t max_pt,
                                    const struct model *m);
 
 
 /* Shell routines */
-RT_EXPORT extern int nmg_shell_is_empty(const struct shell *s);
-RT_EXPORT extern struct shell *nmg_find_s_of_lu(const struct loopuse *lu);
-RT_EXPORT extern struct shell *nmg_find_s_of_eu(const struct edgeuse *eu);
-RT_EXPORT extern struct shell *nmg_find_s_of_vu(const struct vertexuse *vu);
+NMG_EXPORT extern int nmg_shell_is_empty(const struct shell *s);
+NMG_EXPORT extern struct shell *nmg_find_s_of_lu(const struct loopuse *lu);
+NMG_EXPORT extern struct shell *nmg_find_s_of_eu(const struct edgeuse *eu);
+NMG_EXPORT extern struct shell *nmg_find_s_of_vu(const struct vertexuse *vu);
 
 /* Face routines */
-RT_EXPORT extern struct faceuse *nmg_find_fu_of_eu(const struct edgeuse *eu);
-RT_EXPORT extern struct faceuse *nmg_find_fu_of_lu(const struct loopuse *lu);
-RT_EXPORT extern struct faceuse *nmg_find_fu_of_vu(const struct vertexuse *vu);
-RT_EXPORT extern struct faceuse *nmg_find_fu_with_fg_in_s(const struct shell 
*s1,
+NMG_EXPORT extern struct faceuse *nmg_find_fu_of_eu(const struct edgeuse *eu);
+NMG_EXPORT extern struct faceuse *nmg_find_fu_of_lu(const struct loopuse *lu);
+NMG_EXPORT extern struct faceuse *nmg_find_fu_of_vu(const struct vertexuse 
*vu);
+NMG_EXPORT extern struct faceuse *nmg_find_fu_with_fg_in_s(const struct shell 
*s1,
                                                           const struct faceuse 
*fu2);
-RT_EXPORT extern double nmg_measure_fu_angle(const struct edgeuse *eu,
+NMG_EXPORT extern double nmg_measure_fu_angle(const struct edgeuse *eu,
                                              const vect_t xvec,
                                              const vect_t yvec,
                                              const vect_t zvec);
 
 /* Loop routines */
-RT_EXPORT extern struct loopuse*nmg_find_lu_of_vu(const struct vertexuse *vu);
-RT_EXPORT extern int nmg_loop_is_a_crack(const struct loopuse *lu);
-RT_EXPORT extern int    nmg_loop_is_ccw(const struct loopuse *lu,
+NMG_EXPORT extern struct loopuse*nmg_find_lu_of_vu(const struct vertexuse *vu);
+NMG_EXPORT extern int nmg_loop_is_a_crack(const struct loopuse *lu);
+NMG_EXPORT extern int    nmg_loop_is_ccw(const struct loopuse *lu,
                                         const plane_t norm,
                                         const struct bn_tol *tol);
-RT_EXPORT extern const struct vertexuse *nmg_loop_touches_self(const struct 
loopuse *lu);
-RT_EXPORT extern int nmg_2lu_identical(const struct edgeuse *eu1,
+NMG_EXPORT extern const struct vertexuse *nmg_loop_touches_self(const struct 
loopuse *lu);
+NMG_EXPORT extern int nmg_2lu_identical(const struct edgeuse *eu1,
                                        const struct edgeuse *eu2);
 
 /* Edge routines */
-RT_EXPORT extern struct edgeuse *nmg_find_matching_eu_in_s(const struct 
edgeuse *eu1,
+NMG_EXPORT extern struct edgeuse *nmg_find_matching_eu_in_s(const struct 
edgeuse *eu1,
                                                            const struct shell  
 *s2);
-RT_EXPORT extern struct edgeuse *nmg_findeu(const struct vertex *v1,
+NMG_EXPORT extern struct edgeuse *nmg_findeu(const struct vertex *v1,
                                             const struct vertex *v2,
                                             const struct shell *s,
                                             const struct edgeuse *eup,
                                             int dangling_only);
-RT_EXPORT extern struct edgeuse *nmg_find_eu_in_face(const struct vertex *v1,
+NMG_EXPORT extern struct edgeuse *nmg_find_eu_in_face(const struct vertex *v1,
                                                      const struct vertex *v2,
                                                      const struct faceuse *fu,
                                                      const struct edgeuse *eup,
                                                      int dangling_only);
-RT_EXPORT extern struct edgeuse *nmg_find_e(const struct vertex *v1,
+NMG_EXPORT extern struct edgeuse *nmg_find_e(const struct vertex *v1,
                                             const struct vertex *v2,
                                             const struct shell *s,
                                             const struct edge *ep);
-RT_EXPORT extern struct edgeuse *nmg_find_eu_of_vu(const struct vertexuse *vu);
-RT_EXPORT extern struct edgeuse *nmg_find_eu_with_vu_in_lu(const struct 
loopuse *lu,
+NMG_EXPORT extern struct edgeuse *nmg_find_eu_of_vu(const struct vertexuse 
*vu);
+NMG_EXPORT extern struct edgeuse *nmg_find_eu_with_vu_in_lu(const struct 
loopuse *lu,
                                                            const struct 
vertexuse *vu);
-RT_EXPORT extern const struct edgeuse *nmg_faceradial(const struct edgeuse 
*eu);
-RT_EXPORT extern const struct edgeuse *nmg_radial_face_edge_in_shell(const 
struct edgeuse *eu);
-RT_EXPORT extern const struct edgeuse *nmg_find_edge_between_2fu(const struct 
faceuse *fu1,
+NMG_EXPORT extern const struct edgeuse *nmg_faceradial(const struct edgeuse 
*eu);
+NMG_EXPORT extern const struct edgeuse *nmg_radial_face_edge_in_shell(const 
struct edgeuse *eu);
+NMG_EXPORT extern const struct edgeuse *nmg_find_edge_between_2fu(const struct 
faceuse *fu1,
                                                                  const struct 
faceuse *fu2,
                                                                 struct bu_list 
*vlfree,
                                                                  const struct 
bn_tol *tol);
-RT_EXPORT extern struct edge *nmg_find_e_nearest_pt2(uint32_t *magic_p,
+NMG_EXPORT extern struct edge *nmg_find_e_nearest_pt2(uint32_t *magic_p,
                                                      const point_t pt2,
                                                      const mat_t mat,
                                                     struct bu_list *vlfree,
                                                      const struct bn_tol *tol);
-RT_EXPORT extern struct edgeuse *nmg_find_matching_eu_in_s(const struct 
edgeuse *eu1,
+NMG_EXPORT extern struct edgeuse *nmg_find_matching_eu_in_s(const struct 
edgeuse *eu1,
                                                            const struct shell 
*s2);
-RT_EXPORT extern void nmg_eu_2vecs_perp(vect_t xvec,
+NMG_EXPORT extern void nmg_eu_2vecs_perp(vect_t xvec,
                                         vect_t yvec,
                                         vect_t zvec,
                                         const struct edgeuse *eu,
                                         const struct bn_tol *tol);
-RT_EXPORT extern int nmg_find_eu_leftvec(vect_t left,
+NMG_EXPORT extern int nmg_find_eu_leftvec(vect_t left,
                                          const struct edgeuse *eu);
-RT_EXPORT extern int nmg_find_eu_left_non_unit(vect_t left,
+NMG_EXPORT extern int nmg_find_eu_left_non_unit(vect_t left,
                                                const struct edgeuse     *eu);
-RT_EXPORT extern struct edgeuse *nmg_find_ot_same_eu_of_e(const struct edge 
*e);
+NMG_EXPORT extern struct edgeuse *nmg_find_ot_same_eu_of_e(const struct edge 
*e);
 
 /* Vertex routines */
-RT_EXPORT extern struct vertexuse *nmg_find_v_in_face(const struct vertex *,
+NMG_EXPORT extern struct vertexuse *nmg_find_v_in_face(const struct vertex *,
                                                       const struct faceuse *);
-RT_EXPORT extern struct vertexuse *nmg_find_v_in_shell(const struct vertex *v,
+NMG_EXPORT extern struct vertexuse *nmg_find_v_in_shell(const struct vertex *v,
                                                        const struct shell *s,
                                                        int edges_only);
-RT_EXPORT extern struct vertexuse *nmg_find_pt_in_lu(const struct loopuse *lu,
+NMG_EXPORT extern struct vertexuse *nmg_find_pt_in_lu(const struct loopuse *lu,
                                                      const point_t pt,
                                                      const struct bn_tol *tol);
-RT_EXPORT extern struct vertexuse *nmg_find_pt_in_face(const struct faceuse 
*fu,
+NMG_EXPORT extern struct vertexuse *nmg_find_pt_in_face(const struct faceuse 
*fu,
                                                        const point_t pt,
                                                        const struct bn_tol 
*tol);
-RT_EXPORT extern struct vertex *nmg_find_pt_in_shell(const struct shell *s,
+NMG_EXPORT extern struct vertex *nmg_find_pt_in_shell(const struct shell *s,
                                                      const point_t pt,
                                                      const struct bn_tol *tol);
-RT_EXPORT extern struct vertex *nmg_find_pt_in_model(const struct model *m,
+NMG_EXPORT extern struct vertex *nmg_find_pt_in_model(const struct model *m,
                                                      const point_t pt,
                                                      const struct bn_tol *tol);
-RT_EXPORT extern int nmg_is_vertex_in_edgelist(const struct vertex *v,
+NMG_EXPORT extern int nmg_is_vertex_in_edgelist(const struct vertex *v,
                                                const struct bu_list *hd);
-RT_EXPORT extern int nmg_is_vertex_in_looplist(const struct vertex *v,
+NMG_EXPORT extern int nmg_is_vertex_in_looplist(const struct vertex *v,
                                                const struct bu_list *hd,
                                                int singletons);
-RT_EXPORT extern struct vertexuse *nmg_is_vertex_in_face(const struct vertex 
*v,
+NMG_EXPORT extern struct vertexuse *nmg_is_vertex_in_face(const struct vertex 
*v,
                                                          const struct face *f);
-RT_EXPORT extern int nmg_is_vertex_a_selfloop_in_shell(const struct vertex *v,
+NMG_EXPORT extern int nmg_is_vertex_a_selfloop_in_shell(const struct vertex *v,
                                                        const struct shell *s);
-RT_EXPORT extern int nmg_is_vertex_in_facelist(const struct vertex *v,
+NMG_EXPORT extern int nmg_is_vertex_in_facelist(const struct vertex *v,
                                                const struct bu_list *hd);
-RT_EXPORT extern int nmg_is_edge_in_edgelist(const struct edge *e,
+NMG_EXPORT extern int nmg_is_edge_in_edgelist(const struct edge *e,
                                              const struct bu_list *hd);
-RT_EXPORT extern int nmg_is_edge_in_looplist(const struct edge *e,
+NMG_EXPORT extern int nmg_is_edge_in_looplist(const struct edge *e,
                                              const struct bu_list *hd);
-RT_EXPORT extern int nmg_is_edge_in_facelist(const struct edge *e,
+NMG_EXPORT extern int nmg_is_edge_in_facelist(const struct edge *e,
                                              const struct bu_list *hd);
-RT_EXPORT extern int nmg_is_loop_in_facelist(const struct loop *l,
+NMG_EXPORT extern int nmg_is_loop_in_facelist(const struct loop *l,
                                              const struct bu_list *fu_hd);
 
 /* Tabulation routines */
-RT_EXPORT extern void nmg_vertex_tabulate(struct bu_ptbl *tab,
+NMG_EXPORT extern void nmg_vertex_tabulate(struct bu_ptbl *tab,
                                           const uint32_t *magic_p,
                                          struct bu_list *vlfree);
-RT_EXPORT extern void nmg_vertexuse_normal_tabulate(struct bu_ptbl *tab,
+NMG_EXPORT extern void nmg_vertexuse_normal_tabulate(struct bu_ptbl *tab,
                                                     const uint32_t *magic_p,
                                                    struct bu_list *vlfree);
-RT_EXPORT extern void nmg_edgeuse_tabulate(struct bu_ptbl *tab,
+NMG_EXPORT extern void nmg_edgeuse_tabulate(struct bu_ptbl *tab,
                                            const uint32_t *magic_p,
                                           struct bu_list *vlfree);
-RT_EXPORT extern void nmg_edge_tabulate(struct bu_ptbl *tab,
+NMG_EXPORT extern void nmg_edge_tabulate(struct bu_ptbl *tab,
                                         const uint32_t *magic_p,
                                        struct bu_list *vlfree);
-RT_EXPORT extern void nmg_edge_g_tabulate(struct bu_ptbl *tab,
+NMG_EXPORT extern void nmg_edge_g_tabulate(struct bu_ptbl *tab,
                                           const uint32_t *magic_p,
                                          struct bu_list *vlfree);
-RT_EXPORT extern void nmg_face_tabulate(struct bu_ptbl *tab,
+NMG_EXPORT extern void nmg_face_tabulate(struct bu_ptbl *tab,
                                         const uint32_t *magic_p,
                                        struct bu_list *vlfree);
-RT_EXPORT extern void nmg_edgeuse_with_eg_tabulate(struct bu_ptbl *tab,
+NMG_EXPORT extern void nmg_edgeuse_with_eg_tabulate(struct bu_ptbl *tab,
                                                    const struct edge_g_lseg 
*eg);
-RT_EXPORT extern void nmg_edgeuse_on_line_tabulate(struct bu_ptbl *tab,
+NMG_EXPORT extern void nmg_edgeuse_on_line_tabulate(struct bu_ptbl *tab,
                                                    const uint32_t *magic_p,
                                                    const point_t pt,
                                                    const vect_t dir,
                                                   struct bu_list *vlfree,
                                                    const struct bn_tol *tol);
-RT_EXPORT extern void nmg_e_and_v_tabulate(struct bu_ptbl *eutab,
+NMG_EXPORT extern void nmg_e_and_v_tabulate(struct bu_ptbl *eutab,
                                            struct bu_ptbl *vtab,
                                            const uint32_t *magic_p,
                                           struct bu_list *vlfree);
-RT_EXPORT extern int nmg_2edgeuse_g_coincident(const struct edgeuse     *eu1,
+NMG_EXPORT extern int nmg_2edgeuse_g_coincident(const struct edgeuse     *eu1,
                                                const struct edgeuse     *eu2,
                                                const struct bn_tol      *tol);
 
 /* From nmg_extrude.c */
-RT_EXPORT extern void nmg_translate_face(struct faceuse *fu, const vect_t Vec, 
struct bu_list *vlfree);
-RT_EXPORT extern int nmg_extrude_face(struct faceuse *fu, const vect_t Vec, 
struct bu_list *vlfree, const struct bn_tol *tol);
-RT_EXPORT extern struct vertexuse *nmg_find_vertex_in_lu(const struct vertex 
*v, const struct loopuse *lu);
-RT_EXPORT extern void nmg_fix_overlapping_loops(struct shell *s, struct 
bu_list *vlfree, const struct bn_tol *tol);
-RT_EXPORT extern void nmg_break_crossed_loops(struct shell *is, const struct 
bn_tol *tol);
-RT_EXPORT extern struct shell *nmg_extrude_cleanup(struct shell *is, const int 
is_void, struct bu_list *vlfree, const struct bn_tol *tol);
-RT_EXPORT extern void nmg_hollow_shell(struct shell *s, const fastf_t thick, 
const int approximate, struct bu_list *vlfree, const struct bn_tol *tol);
-RT_EXPORT extern struct shell *nmg_extrude_shell(struct shell *s, const 
fastf_t dist, const int normal_ward, const int approximate, struct bu_list 
*vlfree, const struct bn_tol *tol);
+NMG_EXPORT extern void nmg_translate_face(struct faceuse *fu, const vect_t 
Vec, struct bu_list *vlfree);
+NMG_EXPORT extern int nmg_extrude_face(struct faceuse *fu, const vect_t Vec, 
struct bu_list *vlfree, const struct bn_tol *tol);
+NMG_EXPORT extern struct vertexuse *nmg_find_vertex_in_lu(const struct vertex 
*v, const struct loopuse *lu);
+NMG_EXPORT extern void nmg_fix_overlapping_loops(struct shell *s, struct 
bu_list *vlfree, const struct bn_tol *tol);
+NMG_EXPORT extern void nmg_break_crossed_loops(struct shell *is, const struct 
bn_tol *tol);
+NMG_EXPORT extern struct shell *nmg_extrude_cleanup(struct shell *is, const 
int is_void, struct bu_list *vlfree, const struct bn_tol *tol);
+NMG_EXPORT extern void nmg_hollow_shell(struct shell *s, const fastf_t thick, 
const int approximate, struct bu_list *vlfree, const struct bn_tol *tol);
+NMG_EXPORT extern struct shell *nmg_extrude_shell(struct shell *s, const 
fastf_t dist, const int normal_ward, const int approximate, struct bu_list 
*vlfree, const struct bn_tol *tol);
 
 /* From nmg_pr.c */
-RT_EXPORT extern char *nmg_orientation(int orientation);
-RT_EXPORT extern void nmg_pr_orient(int orientation,
+NMG_EXPORT extern char *nmg_orientation(int orientation);
+NMG_EXPORT extern void nmg_pr_orient(int orientation,
                                     const char *h);
-RT_EXPORT extern void nmg_pr_m(const struct model *m);
-RT_EXPORT extern void nmg_pr_r(const struct nmgregion *r,
+NMG_EXPORT extern void nmg_pr_m(const struct model *m);
+NMG_EXPORT extern void nmg_pr_r(const struct nmgregion *r,
                                char *h);
-RT_EXPORT extern void nmg_pr_sa(const struct shell_a *sa,
+NMG_EXPORT extern void nmg_pr_sa(const struct shell_a *sa,
                                 char *h);
-RT_EXPORT extern void nmg_pr_lg(const struct loop_g *lg,
+NMG_EXPORT extern void nmg_pr_lg(const struct loop_g *lg,
                                 char *h);
-RT_EXPORT extern void nmg_pr_fg(const uint32_t *magic,
+NMG_EXPORT extern void nmg_pr_fg(const uint32_t *magic,
                                 char *h);
-RT_EXPORT extern void nmg_pr_s(const struct shell *s,
+NMG_EXPORT extern void nmg_pr_s(const struct shell *s,
                                char *h);
-RT_EXPORT extern void  nmg_pr_s_briefly(const struct shell *s,
+NMG_EXPORT extern void  nmg_pr_s_briefly(const struct shell *s,
                                         char *h);
-RT_EXPORT extern void nmg_pr_f(const struct face *f,
+NMG_EXPORT extern void nmg_pr_f(const struct face *f,
                                char *h);
-RT_EXPORT extern void nmg_pr_fu(const struct faceuse *fu,
+NMG_EXPORT extern void nmg_pr_fu(const struct faceuse *fu,
                                 char *h);
-RT_EXPORT extern void nmg_pr_fu_briefly(const struct faceuse *fu,
+NMG_EXPORT extern void nmg_pr_fu_briefly(const struct faceuse *fu,
                                         char *h);
-RT_EXPORT extern void nmg_pr_l(const struct loop *l,
+NMG_EXPORT extern void nmg_pr_l(const struct loop *l,
                                char *h);
-RT_EXPORT extern void nmg_pr_lu(const struct loopuse *lu,
+NMG_EXPORT extern void nmg_pr_lu(const struct loopuse *lu,
                                 char *h);
-RT_EXPORT extern void nmg_pr_lu_briefly(const struct loopuse *lu,
+NMG_EXPORT extern void nmg_pr_lu_briefly(const struct loopuse *lu,
                                         char *h);
-RT_EXPORT extern void nmg_pr_eg(const uint32_t *eg,
+NMG_EXPORT extern void nmg_pr_eg(const uint32_t *eg,
                                 char *h);
-RT_EXPORT extern void nmg_pr_e(const struct edge *e,
+NMG_EXPORT extern void nmg_pr_e(const struct edge *e,
                                char *h);
-RT_EXPORT extern void nmg_pr_eu(const struct edgeuse *eu,
+NMG_EXPORT extern void nmg_pr_eu(const struct edgeuse *eu,
                                 char *h);
-RT_EXPORT extern void nmg_pr_eu_briefly(const struct edgeuse *eu,
+NMG_EXPORT extern void nmg_pr_eu_briefly(const struct edgeuse *eu,
                                         char *h);
-RT_EXPORT extern void nmg_pr_eu_endpoints(const struct edgeuse *eu,
+NMG_EXPORT extern void nmg_pr_eu_endpoints(const struct edgeuse *eu,
                                           char *h);
-RT_EXPORT extern void nmg_pr_vg(const struct vertex_g *vg,
+NMG_EXPORT extern void nmg_pr_vg(const struct vertex_g *vg,
                                 char *h);
-RT_EXPORT extern void nmg_pr_v(const struct vertex *v,
+NMG_EXPORT extern void nmg_pr_v(const struct vertex *v,
                                char *h);
-RT_EXPORT extern void nmg_pr_vu(const struct vertexuse *vu,
+NMG_EXPORT extern void nmg_pr_vu(const struct vertexuse *vu,
                                 char *h);
-RT_EXPORT extern void nmg_pr_vu_briefly(const struct vertexuse *vu,
+NMG_EXPORT extern void nmg_pr_vu_briefly(const struct vertexuse *vu,
                                         char *h);
-RT_EXPORT extern void nmg_pr_vua(const uint32_t *magic_p,
+NMG_EXPORT extern void nmg_pr_vua(const uint32_t *magic_p,
                                  char *h);
-RT_EXPORT extern void nmg_euprint(const char *str,
+NMG_EXPORT extern void nmg_euprint(const char *str,
                                   const struct edgeuse *eu);
-RT_EXPORT extern void nmg_pr_ptbl(const char *title,
+NMG_EXPORT extern void nmg_pr_ptbl(const char *title,
                                   const struct bu_ptbl *tbl,
                                   int verbose);
-RT_EXPORT extern void nmg_pr_ptbl_vert_list(const char *str,
+NMG_EXPORT extern void nmg_pr_ptbl_vert_list(const char *str,
                                             const struct bu_ptbl *tbl,
                                             const fastf_t *mag);
-RT_EXPORT extern void nmg_pr_one_eu_vecs(const struct edgeuse *eu,
+NMG_EXPORT extern void nmg_pr_one_eu_vecs(const struct edgeuse *eu,
                                          const vect_t xvec,
                                          const vect_t yvec,
                                          const vect_t zvec,
                                          const struct bn_tol *tol);
-RT_EXPORT extern void nmg_pr_fu_around_eu_vecs(const struct edgeuse *eu,
+NMG_EXPORT extern void nmg_pr_fu_around_eu_vecs(const struct edgeuse *eu,
                                                const vect_t xvec,
                                                const vect_t yvec,
                                                const vect_t zvec,
                                                const struct bn_tol *tol);
-RT_EXPORT extern void nmg_pr_fu_around_eu(const struct edgeuse *eu,
+NMG_EXPORT extern void nmg_pr_fu_around_eu(const struct edgeuse *eu,
                                           const struct bn_tol *tol);
-RT_EXPORT extern void nmg_pl_lu_around_eu(const struct edgeuse *eu, struct 
bu_list *vlfree);
-RT_EXPORT extern void nmg_pr_fus_in_fg(const uint32_t *fg_magic);
+NMG_EXPORT extern void nmg_pl_lu_around_eu(const struct edgeuse *eu, struct 
bu_list *vlfree);
+NMG_EXPORT extern void nmg_pr_fus_in_fg(const uint32_t *fg_magic);
 
 /* From nmg_misc.c */
-RT_EXPORT extern int nmg_snurb_calc_lu_uv_orient(const struct loopuse *lu);
-RT_EXPORT extern void nmg_snurb_fu_eval(const struct faceuse *fu,
+NMG_EXPORT extern int nmg_snurb_calc_lu_uv_orient(const struct loopuse *lu);
+NMG_EXPORT extern void nmg_snurb_fu_eval(const struct faceuse *fu,
                                         const fastf_t u,
                                         const fastf_t v,
                                         point_t pt_on_srf);
-RT_EXPORT extern void nmg_snurb_fu_get_norm(const struct faceuse *fu,
+NMG_EXPORT extern void nmg_snurb_fu_get_norm(const struct faceuse *fu,
                                             const fastf_t u,
                                             const fastf_t v,
                                             vect_t norm);
-RT_EXPORT extern void nmg_snurb_fu_get_norm_at_vu(const struct faceuse *fu,
+NMG_EXPORT extern void nmg_snurb_fu_get_norm_at_vu(const struct faceuse *fu,
                                                   const struct vertexuse *vu,
                                                   vect_t norm);
-RT_EXPORT extern void nmg_find_zero_length_edges(const struct model *m, struct 
bu_list *vlfree);
-RT_EXPORT extern struct face *nmg_find_top_face_in_dir(const struct shell *s,
+NMG_EXPORT extern void nmg_find_zero_length_edges(const struct model *m, 
struct bu_list *vlfree);
+NMG_EXPORT extern struct face *nmg_find_top_face_in_dir(const struct shell *s,
                                                        int dir, long *flags);
-RT_EXPORT extern struct face *nmg_find_top_face(const struct shell *s,
+NMG_EXPORT extern struct face *nmg_find_top_face(const struct shell *s,
                                                 int *dir,
                                                 long *flags);
-RT_EXPORT extern int nmg_find_outer_and_void_shells(struct nmgregion *r,
+NMG_EXPORT extern int nmg_find_outer_and_void_shells(struct nmgregion *r,
                                                     struct bu_ptbl ***shells,
                                                    struct bu_list *vlfree,
                                                     const struct bn_tol *tol);
-RT_EXPORT extern int nmg_mark_edges_real(const uint32_t *magic_p, struct 
bu_list *vlfree);
-RT_EXPORT extern void nmg_tabulate_face_g_verts(struct bu_ptbl *tab,
+NMG_EXPORT extern int nmg_mark_edges_real(const uint32_t *magic_p, struct 
bu_list *vlfree);
+NMG_EXPORT extern void nmg_tabulate_face_g_verts(struct bu_ptbl *tab,
                                                 const struct face_g_plane *fg);
-RT_EXPORT extern void nmg_isect_shell_self(struct shell *s,
+NMG_EXPORT extern void nmg_isect_shell_self(struct shell *s,
                                           struct bu_list *vlfree,
                                            const struct bn_tol *tol);
-RT_EXPORT extern struct edgeuse *nmg_next_radial_eu(const struct edgeuse *eu,
+NMG_EXPORT extern struct edgeuse *nmg_next_radial_eu(const struct edgeuse *eu,
                                                     const struct shell *s,
                                                     const int wires);
-RT_EXPORT extern struct edgeuse *nmg_prev_radial_eu(const struct edgeuse *eu,
+NMG_EXPORT extern struct edgeuse *nmg_prev_radial_eu(const struct edgeuse *eu,
                                                     const struct shell *s,
                                                     const int wires);
-RT_EXPORT extern int nmg_radial_face_count(const struct edgeuse *eu,
+NMG_EXPORT extern int nmg_radial_face_count(const struct edgeuse *eu,
                                            const struct shell *s);
-RT_EXPORT extern int nmg_check_closed_shell(const struct shell *s,
+NMG_EXPORT extern int nmg_check_closed_shell(const struct shell *s,
                                             const struct bn_tol *tol);
-RT_EXPORT extern int nmg_move_lu_between_fus(struct faceuse *dest,
+NMG_EXPORT extern int nmg_move_lu_between_fus(struct faceuse *dest,
                                              struct faceuse *src,
                                              struct loopuse *lu);
-RT_EXPORT extern void nmg_loop_plane_newell(const struct loopuse *lu,
+NMG_EXPORT extern void nmg_loop_plane_newell(const struct loopuse *lu,
                                             plane_t pl);
-RT_EXPORT extern fastf_t nmg_loop_plane_area(const struct loopuse *lu,
+NMG_EXPORT extern fastf_t nmg_loop_plane_area(const struct loopuse *lu,
                                              plane_t pl);
-RT_EXPORT extern fastf_t nmg_loop_plane_area2(const struct loopuse *lu,
+NMG_EXPORT extern fastf_t nmg_loop_plane_area2(const struct loopuse *lu,
                                               plane_t pl,
                                               const struct bn_tol *tol);
-RT_EXPORT extern int nmg_calc_face_plane(struct faceuse *fu_in,
+NMG_EXPORT extern int nmg_calc_face_plane(struct faceuse *fu_in,
                                          plane_t pl, struct bu_list *vlfree);
-RT_EXPORT extern int nmg_calc_face_g(struct faceuse *fu, struct bu_list 
*vlfree);
-RT_EXPORT extern fastf_t nmg_faceuse_area(const struct faceuse *fu);
-RT_EXPORT extern fastf_t nmg_shell_area(const struct shell *s);
-RT_EXPORT extern fastf_t nmg_region_area(const struct nmgregion *r);
-RT_EXPORT extern fastf_t nmg_model_area(const struct model *m);
+NMG_EXPORT extern int nmg_calc_face_g(struct faceuse *fu, struct bu_list 
*vlfree);
+NMG_EXPORT extern fastf_t nmg_faceuse_area(const struct faceuse *fu);
+NMG_EXPORT extern fastf_t nmg_shell_area(const struct shell *s);
+NMG_EXPORT extern fastf_t nmg_region_area(const struct nmgregion *r);
+NMG_EXPORT extern fastf_t nmg_model_area(const struct model *m);
 /* Some stray rt_ plane functions here */
-RT_EXPORT extern void nmg_purge_unwanted_intersection_points(struct bu_ptbl 
*vert_list,
+NMG_EXPORT extern void nmg_purge_unwanted_intersection_points(struct bu_ptbl 
*vert_list,
                                                              fastf_t *mag,
                                                              const struct 
faceuse *fu,
                                                              const struct 
bn_tol *tol);
-RT_EXPORT extern int nmg_in_or_ref(struct vertexuse *vu,
+NMG_EXPORT extern int nmg_in_or_ref(struct vertexuse *vu,
                                    struct bu_ptbl *b);
-RT_EXPORT extern void nmg_rebound(struct model *m,
+NMG_EXPORT extern void nmg_rebound(struct model *m,
                                   const struct bn_tol *tol);
-RT_EXPORT extern void nmg_count_shell_kids(const struct model *m,
+NMG_EXPORT extern void nmg_count_shell_kids(const struct model *m,
                                            size_t *total_wires,
                                            size_t *total_faces,
                                            size_t *total_points);
-RT_EXPORT extern void nmg_close_shell(struct shell *s, struct bu_list *vlfree,
+NMG_EXPORT extern void nmg_close_shell(struct shell *s, struct bu_list *vlfree,
                                       const struct bn_tol *tol);
-RT_EXPORT extern struct shell *nmg_dup_shell(struct shell *s,
+NMG_EXPORT extern struct shell *nmg_dup_shell(struct shell *s,
                                              long ***copy_tbl,
                                             struct bu_list *vlfree,
                                              const struct bn_tol *tol);
-RT_EXPORT extern struct edgeuse *nmg_pop_eu(struct bu_ptbl *stack);
-RT_EXPORT extern void nmg_reverse_radials(struct faceuse *fu,
+NMG_EXPORT extern struct edgeuse *nmg_pop_eu(struct bu_ptbl *stack);
+NMG_EXPORT extern void nmg_reverse_radials(struct faceuse *fu,
                                           const struct bn_tol *tol);
-RT_EXPORT extern void nmg_reverse_face_and_radials(struct faceuse *fu,
+NMG_EXPORT extern void nmg_reverse_face_and_radials(struct faceuse *fu,
                                                    const struct bn_tol *tol);
-RT_EXPORT extern int nmg_shell_is_void(const struct shell *s);
-RT_EXPORT extern void nmg_propagate_normals(struct faceuse *fu_in,
+NMG_EXPORT extern int nmg_shell_is_void(const struct shell *s);
+NMG_EXPORT extern void nmg_propagate_normals(struct faceuse *fu_in,
                                             long *flags,
                                             const struct bn_tol *tol);
-RT_EXPORT extern void nmg_connect_same_fu_orients(struct shell *s);
-RT_EXPORT extern void nmg_fix_decomposed_shell_normals(struct shell *s,
+NMG_EXPORT extern void nmg_connect_same_fu_orients(struct shell *s);
+NMG_EXPORT extern void nmg_fix_decomposed_shell_normals(struct shell *s,
                                                        const struct bn_tol 
*tol);
-RT_EXPORT extern struct model *nmg_mk_model_from_region(struct nmgregion *r,
+NMG_EXPORT extern struct model *nmg_mk_model_from_region(struct nmgregion *r,
                                                         int reindex, struct 
bu_list *vlfree);
-RT_EXPORT extern void nmg_fix_normals(struct shell *s_orig,
+NMG_EXPORT extern void nmg_fix_normals(struct shell *s_orig,
                                      struct bu_list *vlfree,
                                       const struct bn_tol *tol);
-RT_EXPORT extern int nmg_break_long_edges(struct shell *s,
+NMG_EXPORT extern int nmg_break_long_edges(struct shell *s,
                                           const struct bn_tol *tol);
-RT_EXPORT extern struct faceuse *nmg_mk_new_face_from_loop(struct loopuse *lu);
-RT_EXPORT extern int nmg_split_loops_into_faces(uint32_t *magic_p, struct 
bu_list *vlfree,
+NMG_EXPORT extern struct faceuse *nmg_mk_new_face_from_loop(struct loopuse 
*lu);
+NMG_EXPORT extern int nmg_split_loops_into_faces(uint32_t *magic_p, struct 
bu_list *vlfree,
                                                 const struct bn_tol *tol);
-RT_EXPORT extern int nmg_decompose_shell(struct shell *s, struct bu_list 
*vlfree,
+NMG_EXPORT extern int nmg_decompose_shell(struct shell *s, struct bu_list 
*vlfree,
                                          const struct bn_tol *tol);
-RT_EXPORT extern int nmg_unbreak_region_edges(uint32_t *magic_p, struct 
bu_list *vlfree);
-RT_EXPORT extern void nmg_vlist_to_eu(struct bu_list *vlist,
+NMG_EXPORT extern int nmg_unbreak_region_edges(uint32_t *magic_p, struct 
bu_list *vlfree);
+NMG_EXPORT extern void nmg_vlist_to_eu(struct bu_list *vlist,
                                       struct shell *s);
-RT_EXPORT extern int nmg_mv_shell_to_region(struct shell *s,
+NMG_EXPORT extern int nmg_mv_shell_to_region(struct shell *s,
                                             struct nmgregion *r);
-RT_EXPORT extern int nmg_find_isect_faces(const struct vertex *new_v,
+NMG_EXPORT extern int nmg_find_isect_faces(const struct vertex *new_v,
                                           struct bu_ptbl *faces,
                                           int *free_edges,
                                           const struct bn_tol *tol);
-RT_EXPORT extern int nmg_simple_vertex_solve(struct vertex *new_v,
+NMG_EXPORT extern int nmg_simple_vertex_solve(struct vertex *new_v,
                                              const struct bu_ptbl *faces,
                                              const struct bn_tol *tol);
-RT_EXPORT extern int nmg_ck_vert_on_fus(const struct vertex *v,
+NMG_EXPORT extern int nmg_ck_vert_on_fus(const struct vertex *v,
                                         const struct bn_tol *tol);
-RT_EXPORT extern void nmg_make_faces_at_vert(struct vertex *new_v,
+NMG_EXPORT extern void nmg_make_faces_at_vert(struct vertex *new_v,
                                              struct bu_ptbl *int_faces,
                                             struct bu_list *vlfree,
                                              const struct bn_tol *tol);
-RT_EXPORT extern void nmg_kill_cracks_at_vertex(const struct vertex *vp);
-RT_EXPORT extern int nmg_complex_vertex_solve(struct vertex *new_v,
+NMG_EXPORT extern void nmg_kill_cracks_at_vertex(const struct vertex *vp);
+NMG_EXPORT extern int nmg_complex_vertex_solve(struct vertex *new_v,
                                               const struct bu_ptbl *faces,
                                               const int free_edges,
                                               const int approximate,
                                              struct bu_list *vlfree,
                                               const struct bn_tol *tol);
-RT_EXPORT extern int nmg_bad_face_normals(const struct shell *s,
+NMG_EXPORT extern int nmg_bad_face_normals(const struct shell *s,
                                           const struct bn_tol *tol);
-RT_EXPORT extern int nmg_faces_are_radial(const struct faceuse *fu1,
+NMG_EXPORT extern int nmg_faces_are_radial(const struct faceuse *fu1,
                                           const struct faceuse *fu2);
-RT_EXPORT extern int nmg_move_edge_thru_pt(struct edgeuse *mv_eu,
+NMG_EXPORT extern int nmg_move_edge_thru_pt(struct edgeuse *mv_eu,
                                            const point_t pt,
                                            const struct bn_tol *tol);
-RT_EXPORT extern void nmg_vlist_to_wire_edges(struct shell *s,
+NMG_EXPORT extern void nmg_vlist_to_wire_edges(struct shell *s,
                                               const struct bu_list *vhead);
-RT_EXPORT extern void nmg_follow_free_edges_to_vertex(const struct vertex *vpa,
+NMG_EXPORT extern void nmg_follow_free_edges_to_vertex(const struct vertex 
*vpa,
                                                       const struct vertex *vpb,
                                                       struct bu_ptbl 
*bad_verts,
                                                       const struct shell *s,
                                                       const struct edgeuse *eu,
                                                       struct bu_ptbl *verts,
                                                       int *found);
-RT_EXPORT extern void nmg_glue_face_in_shell(const struct faceuse *fu,
+NMG_EXPORT extern void nmg_glue_face_in_shell(const struct faceuse *fu,
                                              struct shell *s,
                                              const struct bn_tol *tol);
-RT_EXPORT extern int nmg_open_shells_connect(struct shell *dst,
+NMG_EXPORT extern int nmg_open_shells_connect(struct shell *dst,
                                              struct shell *src,
                                              const long **copy_tbl,
                                             struct bu_list *vlfree,
                                              const struct bn_tol *tol);
-RT_EXPORT extern int nmg_in_vert(struct vertex *new_v,
+NMG_EXPORT extern int nmg_in_vert(struct vertex *new_v,
                                  const int approximate,
                                 struct bu_list *vlfree,
                                  const struct bn_tol *tol);
-RT_EXPORT extern void nmg_mirror_model(struct model *m, struct bu_list 
*vlfree);
-RT_EXPORT extern int nmg_kill_cracks(struct shell *s);
-RT_EXPORT extern int nmg_kill_zero_length_edgeuses(struct model *m);
-RT_EXPORT extern void nmg_make_faces_within_tol(struct shell *s,
+NMG_EXPORT extern void nmg_mirror_model(struct model *m, struct bu_list 
*vlfree);
+NMG_EXPORT extern int nmg_kill_cracks(struct shell *s);
+NMG_EXPORT extern int nmg_kill_zero_length_edgeuses(struct model *m);
+NMG_EXPORT extern void nmg_make_faces_within_tol(struct shell *s,
                                                struct bu_list *vlfree,
                                                 const struct bn_tol *tol);
-RT_EXPORT extern void nmg_intersect_loops_self(struct shell *s,
+NMG_EXPORT extern void nmg_intersect_loops_self(struct shell *s,
                                                const struct bn_tol *tol);
-RT_EXPORT extern struct edge_g_cnurb *nmg_join_cnurbs(struct bu_list 
*crv_head);
-RT_EXPORT extern struct edge_g_cnurb *nmg_arc2d_to_cnurb(point_t i_center,
+NMG_EXPORT extern struct edge_g_cnurb *nmg_join_cnurbs(struct bu_list 
*crv_head);
+NMG_EXPORT extern struct edge_g_cnurb *nmg_arc2d_to_cnurb(point_t i_center,
                                                         point_t i_start,
                                                         point_t i_end,
                                                         int point_type,
                                                         const struct bn_tol 
*tol);
-RT_EXPORT extern int nmg_break_edge_at_verts(struct edge *e,
+NMG_EXPORT extern int nmg_break_edge_at_verts(struct edge *e,
                                              struct bu_ptbl *verts,
                                              const struct bn_tol *tol);
-RT_EXPORT extern fastf_t nmg_loop_plane_area(const struct loopuse *lu,
+NMG_EXPORT extern fastf_t nmg_loop_plane_area(const struct loopuse *lu,
                                              plane_t pl);
-RT_EXPORT extern int nmg_break_edges(uint32_t *magic_p, struct bu_list *vlfree,
+NMG_EXPORT extern int nmg_break_edges(uint32_t *magic_p, struct bu_list 
*vlfree,
                                      const struct bn_tol *tol);
-RT_EXPORT extern int nmg_lu_is_convex(struct loopuse *lu,
+NMG_EXPORT extern int nmg_lu_is_convex(struct loopuse *lu,
                                      struct bu_list *vlfree,
                                       const struct bn_tol *tol);
-RT_EXPORT extern int nmg_simplify_shell_edges(struct shell *s,
+NMG_EXPORT extern int nmg_simplify_shell_edges(struct shell *s,
                                               const struct bn_tol *tol);
-RT_EXPORT extern int nmg_edge_collapse(struct model *m,
+NMG_EXPORT extern int nmg_edge_collapse(struct model *m,
                                        const struct bn_tol *tol,
                                        const fastf_t tol_coll,
                                        const fastf_t min_angle,
                                       struct bu_list *vlfree);
 
 /* From nmg_copy.c */
-RT_EXPORT extern struct model *nmg_clone_model(const struct model *original);
+NMG_EXPORT extern struct model *nmg_clone_model(const struct model *original);
 
 /* From nmg_tri.c */
-RT_EXPORT extern void nmg_triangulate_shell(struct shell *s,
+NMG_EXPORT extern void nmg_triangulate_shell(struct shell *s,
                                            struct bu_list *vlfree,
                                             const struct bn_tol  *tol);
 
 
-RT_EXPORT extern void nmg_triangulate_model(struct model *m,
+NMG_EXPORT extern void nmg_triangulate_model(struct model *m,
                                            struct bu_list *vlfree,
                                             const struct bn_tol *tol);
-RT_EXPORT extern int nmg_triangulate_fu(struct faceuse *fu,
+NMG_EXPORT extern int nmg_triangulate_fu(struct faceuse *fu,
                                        struct bu_list *vlfree,
                                         const struct bn_tol *tol);
-RT_EXPORT extern void nmg_dump_model(struct model *m);
+NMG_EXPORT extern void nmg_dump_model(struct model *m);
 
 /* nmg_manif.c */
-RT_EXPORT extern int nmg_dangling_face(const struct faceuse *fu,
+NMG_EXPORT extern int nmg_dangling_face(const struct faceuse *fu,
                                        const char *manifolds);
 /* static paint_face */
 /* static set_edge_sub_manifold */
 /* static set_loop_sub_manifold */
 /* static set_face_sub_manifold */
-RT_EXPORT extern char *nmg_shell_manifolds(struct shell *sp,
+NMG_EXPORT extern char *nmg_shell_manifolds(struct shell *sp,
                                            char *tbl);
-RT_EXPORT extern char *nmg_manifolds(struct model *m);
+NMG_EXPORT extern char *nmg_manifolds(struct model *m);
 
 /* From nmg_fuse.c */
-RT_EXPORT extern int nmg_is_common_bigloop(const struct face *f1,
+NMG_EXPORT extern int nmg_is_common_bigloop(const struct face *f1,
                                           const struct face *f2);
-RT_EXPORT extern void nmg_region_v_unique(struct nmgregion *r1, struct bu_list 
*vlfree,
+NMG_EXPORT extern void nmg_region_v_unique(struct nmgregion *r1, struct 
bu_list *vlfree,
                                          const struct bn_tol *tol);
-RT_EXPORT extern int nmg_ptbl_vfuse(struct bu_ptbl *t,
+NMG_EXPORT extern int nmg_ptbl_vfuse(struct bu_ptbl *t,
                                    const struct bn_tol *tol);
-RT_EXPORT extern int   nmg_region_both_vfuse(struct bu_ptbl *t1,
+NMG_EXPORT extern int  nmg_region_both_vfuse(struct bu_ptbl *t1,
                                              struct bu_ptbl *t2,
                                              const struct bn_tol *tol);
 /* nmg_two_region_vertex_fuse replaced with nmg_vertex_fuse */
-RT_EXPORT extern int nmg_vertex_fuse(const uint32_t *magic_p,struct bu_list 
*vlfree,
+NMG_EXPORT extern int nmg_vertex_fuse(const uint32_t *magic_p,struct bu_list 
*vlfree,
                                     const struct bn_tol *tol);
-RT_EXPORT extern int nmg_cnurb_is_linear(const struct edge_g_cnurb *cnrb);
-RT_EXPORT extern int nmg_snurb_is_planar(const struct face_g_snurb *srf,
+NMG_EXPORT extern int nmg_cnurb_is_linear(const struct edge_g_cnurb *cnrb);
+NMG_EXPORT extern int nmg_snurb_is_planar(const struct face_g_snurb *srf,
                                         const struct bn_tol *tol);
-RT_EXPORT extern void nmg_eval_linear_trim_curve(const struct face_g_snurb 
*snrb,
+NMG_EXPORT extern void nmg_eval_linear_trim_curve(const struct face_g_snurb 
*snrb,
                                                 const fastf_t uvw[3],
                                                 point_t xyz);
-RT_EXPORT extern void nmg_eval_trim_curve(const struct edge_g_cnurb *cnrb,
+NMG_EXPORT extern void nmg_eval_trim_curve(const struct edge_g_cnurb *cnrb,
                                          const struct face_g_snurb *snrb,
                                          const fastf_t t, point_t xyz);
 /* nmg_split_trim */
-RT_EXPORT extern void nmg_eval_trim_to_tol(const struct edge_g_cnurb *cnrb,
+NMG_EXPORT extern void nmg_eval_trim_to_tol(const struct edge_g_cnurb *cnrb,
                                           const struct face_g_snurb *snrb,
                                           const fastf_t t0,
                                           const fastf_t t1,
                                           struct bu_list *head,
                                           const struct bn_tol *tol);
 /* nmg_split_linear_trim */
-RT_EXPORT extern void nmg_eval_linear_trim_to_tol(const struct edge_g_cnurb 
*cnrb,
+NMG_EXPORT extern void nmg_eval_linear_trim_to_tol(const struct edge_g_cnurb 
*cnrb,
                                                  const struct face_g_snurb 
*snrb,
                                                  const fastf_t uvw1[3],
                                                  const fastf_t uvw2[3],
                                                  struct bu_list *head,
                                                  const struct bn_tol *tol);
-RT_EXPORT extern int nmg_cnurb_lseg_coincident(const struct edgeuse *eu1,
+NMG_EXPORT extern int nmg_cnurb_lseg_coincident(const struct edgeuse *eu1,
                                               const struct edge_g_cnurb *cnrb,
                                               const struct face_g_snurb *snrb,
                                               const point_t pt1,
                                               const point_t pt2,
                                               const struct bn_tol *tol);
-RT_EXPORT extern int   nmg_cnurb_is_on_crv(const struct edgeuse *eu,
+NMG_EXPORT extern int  nmg_cnurb_is_on_crv(const struct edgeuse *eu,
                                            const struct edge_g_cnurb *cnrb,
                                            const struct face_g_snurb *snrb,
                                            const struct bu_list *head,
                                            const struct bn_tol *tol);
-RT_EXPORT extern int nmg_edge_fuse(const uint32_t *magic_p,struct bu_list 
*vlfree,
+NMG_EXPORT extern int nmg_edge_fuse(const uint32_t *magic_p,struct bu_list 
*vlfree,
                                   const struct bn_tol *tol);
-RT_EXPORT extern int nmg_edge_g_fuse(const uint32_t *magic_p,struct bu_list 
*vlfree,
+NMG_EXPORT extern int nmg_edge_g_fuse(const uint32_t *magic_p,struct bu_list 
*vlfree,
                                           const struct bn_tol  *tol);
-RT_EXPORT extern int nmg_ck_fu_verts(struct faceuse *fu1,
+NMG_EXPORT extern int nmg_ck_fu_verts(struct faceuse *fu1,
                                     struct face *f2,
                                     const struct bn_tol *tol);
-RT_EXPORT extern int nmg_ck_fg_verts(struct faceuse *fu1,
+NMG_EXPORT extern int nmg_ck_fg_verts(struct faceuse *fu1,
                                     struct face *f2,
                                     const struct bn_tol *tol);
-RT_EXPORT extern int   nmg_two_face_fuse(struct face   *f1,
+NMG_EXPORT extern int  nmg_two_face_fuse(struct face   *f1,
                                          struct face *f2,
                                          const struct bn_tol *tol);
-RT_EXPORT extern int nmg_model_face_fuse(struct model *m,struct bu_list 
*vlfree,
+NMG_EXPORT extern int nmg_model_face_fuse(struct model *m,struct bu_list 
*vlfree,
                                         const struct bn_tol *tol);
-RT_EXPORT extern int nmg_break_all_es_on_v(uint32_t *magic_p,
+NMG_EXPORT extern int nmg_break_all_es_on_v(uint32_t *magic_p,
                                           struct vertex *v,struct bu_list 
*vlfree,
                                           const struct bn_tol *tol);
-RT_EXPORT extern int nmg_break_e_on_v(const uint32_t *magic_p,struct bu_list 
*vlfree,
+NMG_EXPORT extern int nmg_break_e_on_v(const uint32_t *magic_p,struct bu_list 
*vlfree,
                                      const struct bn_tol *tol);
 /* DEPRECATED: use nmg_break_e_on_v */
-RT_EXPORT extern int nmg_model_break_e_on_v(const uint32_t *magic_p,
+NMG_EXPORT extern int nmg_model_break_e_on_v(const uint32_t *magic_p,
                                            struct bu_list *vlfree,
                                            const struct bn_tol *tol);
-RT_EXPORT extern int nmg_model_fuse(struct model *m,
+NMG_EXPORT extern int nmg_model_fuse(struct model *m,
                                    struct bu_list *vlfree,
                                    const struct bn_tol *tol);
 
 /* radial routines */
-RT_EXPORT extern void nmg_radial_sorted_list_insert(struct bu_list *hd,
+NMG_EXPORT extern void nmg_radial_sorted_list_insert(struct bu_list *hd,
                                                    struct nmg_radial *rad);
-RT_EXPORT extern void nmg_radial_verify_pointers(const struct bu_list *hd,
+NMG_EXPORT extern void nmg_radial_verify_pointers(const struct bu_list *hd,
                                                 const struct bn_tol *tol);
-RT_EXPORT extern void nmg_radial_verify_monotone(const struct bu_list  *hd,
+NMG_EXPORT extern void nmg_radial_verify_monotone(const struct bu_list *hd,
                                                 const struct bn_tol    *tol);
-RT_EXPORT extern void nmg_insure_radial_list_is_increasing(struct bu_list      
*hd,
+NMG_EXPORT extern void nmg_insure_radial_list_is_increasing(struct bu_list     
*hd,
                                                           fastf_t amin, 
fastf_t amax);
-RT_EXPORT extern void nmg_radial_build_list(struct bu_list             *hd,
+NMG_EXPORT extern void nmg_radial_build_list(struct bu_list            *hd,
                                            struct bu_ptbl              
*shell_tbl,
                                            int                 existing,
                                            struct edgeuse              *eu,
@@ -1946,145 +1958,145 @@
                                            const vect_t                yvec,
                                            const vect_t                zvec,
                                            const struct bn_tol *tol);
-RT_EXPORT extern void nmg_radial_merge_lists(struct bu_list            *dest,
+NMG_EXPORT extern void nmg_radial_merge_lists(struct bu_list           *dest,
                                             struct bu_list             *src,
                                             const struct bn_tol        *tol);
-RT_EXPORT extern int    nmg_is_crack_outie(const struct edgeuse        *eu,
+NMG_EXPORT extern int   nmg_is_crack_outie(const struct edgeuse        *eu,
                                            struct bu_list *vlfree,
                                            const struct bn_tol *tol);
-RT_EXPORT extern struct nmg_radial     *nmg_find_radial_eu(const struct 
bu_list *hd,
+NMG_EXPORT extern struct nmg_radial    *nmg_find_radial_eu(const struct 
bu_list *hd,
                                                            const struct 
edgeuse *eu);
-RT_EXPORT extern const struct edgeuse *nmg_find_next_use_of_2e_in_lu(const 
struct edgeuse      *eu,
+NMG_EXPORT extern const struct edgeuse *nmg_find_next_use_of_2e_in_lu(const 
struct edgeuse     *eu,
                                                                     const 
struct edge  *e1,
                                                                     const 
struct edge  *e2);
-RT_EXPORT extern void nmg_radial_mark_cracks(struct bu_list    *hd,
+NMG_EXPORT extern void nmg_radial_mark_cracks(struct bu_list   *hd,
                                             const struct edge  *e1,
                                             const struct edge  *e2,
                                             struct bu_list *vlfree,
                                             const struct bn_tol        *tol);
-RT_EXPORT extern struct nmg_radial *nmg_radial_find_an_original(const struct 
bu_list   *hd,
+NMG_EXPORT extern struct nmg_radial *nmg_radial_find_an_original(const struct 
bu_list  *hd,
                                                                const struct 
shell      *s,
                                                                const struct 
bn_tol     *tol);
-RT_EXPORT extern int nmg_radial_mark_flips(struct bu_list              *hd,
+NMG_EXPORT extern int nmg_radial_mark_flips(struct bu_list             *hd,
                                           const struct shell   *s,
                                           const struct bn_tol  *tol);
-RT_EXPORT extern int nmg_radial_check_parity(const struct bu_list      *hd,
+NMG_EXPORT extern int nmg_radial_check_parity(const struct bu_list     *hd,
                                             const struct bu_ptbl       *shells,
                                             const struct bn_tol        *tol);
-RT_EXPORT extern void nmg_radial_implement_decisions(struct bu_list            
*hd,
+NMG_EXPORT extern void nmg_radial_implement_decisions(struct bu_list           
*hd,
                                                     const struct bn_tol        
*tol,
                                                     struct edgeuse             
*eu1,
                                                     vect_t xvec,
                                                     vect_t yvec,
                                                     vect_t zvec);
-RT_EXPORT extern void nmg_pr_radial(const char *title,
+NMG_EXPORT extern void nmg_pr_radial(const char *title,
                                    const struct nmg_radial     *rad);
-RT_EXPORT extern void nmg_pr_radial_list(const struct bu_list *hd,
+NMG_EXPORT extern void nmg_pr_radial_list(const struct bu_list *hd,
                                         const struct bn_tol *tol);
-RT_EXPORT extern void nmg_do_radial_flips(struct bu_list *hd);
-RT_EXPORT extern void nmg_do_radial_join(struct bu_list *hd,
+NMG_EXPORT extern void nmg_do_radial_flips(struct bu_list *hd);
+NMG_EXPORT extern void nmg_do_radial_join(struct bu_list *hd,
                                         struct edgeuse *eu1ref,
                                         vect_t xvec, vect_t yvec, vect_t zvec,
                                         const struct bn_tol *tol);
-RT_EXPORT extern void nmg_radial_join_eu_NEW(struct edgeuse *eu1,
+NMG_EXPORT extern void nmg_radial_join_eu_NEW(struct edgeuse *eu1,
                                             struct edgeuse *eu2,
                                             const struct bn_tol *tol);
-RT_EXPORT extern void nmg_radial_exchange_marked(struct bu_list                
*hd,
+NMG_EXPORT extern void nmg_radial_exchange_marked(struct bu_list               
*hd,
                                                 const struct bn_tol    *tol);
-RT_EXPORT extern void nmg_s_radial_harmonize(struct shell              *s,
+NMG_EXPORT extern void nmg_s_radial_harmonize(struct shell             *s,
                                             struct bu_list *vlfree,
                                             const struct bn_tol        *tol);
-RT_EXPORT extern void nmg_s_radial_check(struct shell          *s,
+NMG_EXPORT extern void nmg_s_radial_check(struct shell         *s,
                                         struct bu_list *vlfree,
                                         const struct bn_tol    *tol);
-RT_EXPORT extern void nmg_r_radial_check(const struct nmgregion        *r,
+NMG_EXPORT extern void nmg_r_radial_check(const struct nmgregion       *r,
                                         struct bu_list *vlfree,
                                         const struct bn_tol    *tol);
 
 
-RT_EXPORT extern struct edge_g_lseg    *nmg_pick_best_edge_g(struct edgeuse 
*eu1,
+NMG_EXPORT extern struct edge_g_lseg   *nmg_pick_best_edge_g(struct edgeuse 
*eu1,
                                                              struct edgeuse 
*eu2,
                                                              const struct 
bn_tol *tol);
 
 /* nmg_visit.c */
-RT_EXPORT extern void nmg_visit_vertex(struct vertex                   *v,
+NMG_EXPORT extern void nmg_visit_vertex(struct vertex                  *v,
                                       const struct nmg_visit_handlers  *htab,
                                       void *                   state);
-RT_EXPORT extern void nmg_visit_vertexuse(struct vertexuse             *vu,
+NMG_EXPORT extern void nmg_visit_vertexuse(struct vertexuse            *vu,
                                          const struct nmg_visit_handlers       
*htab,
                                          void *                        state);
-RT_EXPORT extern void nmg_visit_edge(struct edge                       *e,
+NMG_EXPORT extern void nmg_visit_edge(struct edge                      *e,
                                     const struct nmg_visit_handlers    *htab,
                                     void *                     state);
-RT_EXPORT extern void nmg_visit_edgeuse(struct edgeuse                 *eu,
+NMG_EXPORT extern void nmg_visit_edgeuse(struct edgeuse                        
*eu,
                                        const struct nmg_visit_handlers *htab,
                                        void *                  state);
-RT_EXPORT extern void nmg_visit_loop(struct loop                       *l,
+NMG_EXPORT extern void nmg_visit_loop(struct loop                      *l,
                                     const struct nmg_visit_handlers    *htab,
                                     void *                     state);
-RT_EXPORT extern void nmg_visit_loopuse(struct loopuse                 *lu,
+NMG_EXPORT extern void nmg_visit_loopuse(struct loopuse                        
*lu,
                                        const struct nmg_visit_handlers *htab,
                                        void *                  state);
-RT_EXPORT extern void nmg_visit_face(struct face                       *f,
+NMG_EXPORT extern void nmg_visit_face(struct face                      *f,
                                     const struct nmg_visit_handlers    *htab,
                                     void *                     state);
-RT_EXPORT extern void nmg_visit_faceuse(struct faceuse                 *fu,
+NMG_EXPORT extern void nmg_visit_faceuse(struct faceuse                        
*fu,
                                        const struct nmg_visit_handlers *htab,
                                        void *                  state,
                                        struct bu_list *vlfree);
-RT_EXPORT extern void nmg_visit_shell(struct shell                     *s,
+NMG_EXPORT extern void nmg_visit_shell(struct shell                    *s,
                                      const struct nmg_visit_handlers   *htab,
                                      void *                    state,
                                      struct bu_list *vlfree);
-RT_EXPORT extern void nmg_visit_region(struct nmgregion                *r,
+NMG_EXPORT extern void nmg_visit_region(struct nmgregion               *r,
                                       const struct nmg_visit_handlers  *htab,
                                       void *                   state,
                                       struct bu_list *vlfree);
-RT_EXPORT extern void nmg_visit_model(struct model                     *model,
+NMG_EXPORT extern void nmg_visit_model(struct model                    *model,
                                      const struct nmg_visit_handlers   *htab,
                                      void *                    state,
                                      struct bu_list *vlfree);
-RT_EXPORT extern void nmg_visit(const uint32_t         *magicp,
+NMG_EXPORT extern void nmg_visit(const uint32_t                *magicp,
                                const struct nmg_visit_handlers *htab,
                                void *                  state,
                                struct bu_list *vlfree);
 
 
 /* nmg_class.c */
-RT_EXPORT extern int nmg_classify_pt_loop(const point_t pt,
+NMG_EXPORT extern int nmg_classify_pt_loop(const point_t pt,
                                           const struct loopuse *lu,
                                          struct bu_list *vlfree,
                                           const struct bn_tol *tol);
 
-RT_EXPORT extern int nmg_classify_s_vs_s(struct shell *s,
+NMG_EXPORT extern int nmg_classify_s_vs_s(struct shell *s,
                                          struct shell *s2,
                                         struct bu_list *vlfree,
                                          const struct bn_tol *tol);
 
-RT_EXPORT extern int nmg_classify_lu_lu(const struct loopuse *lu1,
+NMG_EXPORT extern int nmg_classify_lu_lu(const struct loopuse *lu1,
                                         const struct loopuse *lu2,
                                        struct bu_list *vlfree,
                                         const struct bn_tol *tol);
 
-RT_EXPORT extern int nmg_class_pt_f(const point_t pt,
+NMG_EXPORT extern int nmg_class_pt_f(const point_t pt,
                                     const struct faceuse *fu,
                                     const struct bn_tol *tol);
-RT_EXPORT extern int nmg_class_pt_s(const point_t pt,
+NMG_EXPORT extern int nmg_class_pt_s(const point_t pt,
                                     const struct shell *s,
                                     const int in_or_out_only,
                                    struct bu_list *vlfree,
                                     const struct bn_tol *tol);
 
 /* From nmg_pt_fu.c */
-RT_EXPORT extern int nmg_eu_is_part_of_crack(const struct edgeuse *eu);
+NMG_EXPORT extern int nmg_eu_is_part_of_crack(const struct edgeuse *eu);
 
-RT_EXPORT extern int nmg_class_pt_lu_except(point_t             pt,
+NMG_EXPORT extern int nmg_class_pt_lu_except(point_t             pt,
                                             const struct loopuse        *lu,
                                             const struct edge           *e_p,
                                            struct bu_list *vlfree,
                                             const struct bn_tol *tol);
 
-RT_EXPORT extern int nmg_class_pt_fu_except(const point_t pt,
+NMG_EXPORT extern int nmg_class_pt_fu_except(const point_t pt,
                                             const struct faceuse *fu,
                                             const struct loopuse *ignore_lu,
                                             void (*eu_func)(struct edgeuse *, 
point_t, const char *),
@@ -2096,93 +2108,93 @@
                                             const struct bn_tol *tol);
 
 /* From nmg_plot.c */
-RT_EXPORT extern void nmg_pl_shell(FILE *fp,
+NMG_EXPORT extern void nmg_pl_shell(FILE *fp,
                                    const struct shell *s,
                                    int fancy,
                                   struct bu_list *vlfree);
 
-RT_EXPORT extern void nmg_vu_to_vlist(struct bu_list *vhead,
+NMG_EXPORT extern void nmg_vu_to_vlist(struct bu_list *vhead,
                                       const struct vertexuse    *vu,
                                      struct bu_list *vlfree);
-RT_EXPORT extern void nmg_eu_to_vlist(struct bu_list *vhead,
+NMG_EXPORT extern void nmg_eu_to_vlist(struct bu_list *vhead,
                                       const struct bu_list      *eu_hd,
                                      struct bu_list *vlfree);
-RT_EXPORT extern void nmg_lu_to_vlist(struct bu_list *vhead,
+NMG_EXPORT extern void nmg_lu_to_vlist(struct bu_list *vhead,
                                       const struct loopuse      *lu,
                                       int                       poly_markers,
                                       const vectp_t             norm,
                                      struct bu_list *vlfree);
-RT_EXPORT extern void nmg_snurb_fu_to_vlist(struct bu_list              *vhead,
+NMG_EXPORT extern void nmg_snurb_fu_to_vlist(struct bu_list              
*vhead,
                                             const struct faceuse        *fu,
                                             int                 poly_markers,
                                            struct bu_list *vlfree);
-RT_EXPORT extern void nmg_s_to_vlist(struct bu_list             *vhead,
+NMG_EXPORT extern void nmg_s_to_vlist(struct bu_list             *vhead,
                                      const struct shell *s,
                                      int                        poly_markers,
                                     struct bu_list *vlfree);
-RT_EXPORT extern void nmg_r_to_vlist(struct bu_list             *vhead,
+NMG_EXPORT extern void nmg_r_to_vlist(struct bu_list             *vhead,
                                      const struct nmgregion     *r,
                                      int                        poly_markers,
                                     struct bu_list *vlfree);
-RT_EXPORT extern void nmg_m_to_vlist(struct bu_list     *vhead,
+NMG_EXPORT extern void nmg_m_to_vlist(struct bu_list     *vhead,
                                      struct model       *m,
                                      int                poly_markers,
                                     struct bu_list *vlfree);
-RT_EXPORT extern void nmg_offset_eu_vert(point_t                        base,
+NMG_EXPORT extern void nmg_offset_eu_vert(point_t                        base,
                                          const struct edgeuse   *eu,
                                          const vect_t           face_normal,
                                          int                    tip);
 /* plot */
-RT_EXPORT extern void nmg_pl_v(FILE     *fp,
+NMG_EXPORT extern void nmg_pl_v(FILE     *fp,
                                const struct vertex *v,
                                long *b);
-RT_EXPORT extern void nmg_pl_e(FILE *fp,
+NMG_EXPORT extern void nmg_pl_e(FILE *fp,
                                const struct edge *e,
                                long *b,
                                int red,
                                int green,
                                int blue);
-RT_EXPORT extern void nmg_pl_eu(FILE *fp,
+NMG_EXPORT extern void nmg_pl_eu(FILE *fp,
                                 const struct edgeuse *eu,
                                 long *b,
                                 int red,
                                 int green,
                                 int blue);
-RT_EXPORT extern void nmg_pl_lu(FILE *fp,
+NMG_EXPORT extern void nmg_pl_lu(FILE *fp,
                                 const struct loopuse *fu,
                                 long *b,
                                 int red,
                                 int green,
                                 int blue,
                                struct bu_list *vlfree);
-RT_EXPORT extern void nmg_pl_fu(FILE *fp,
+NMG_EXPORT extern void nmg_pl_fu(FILE *fp,
                                 const struct faceuse *fu,
                                 long *b,
                                 int red,
                                 int green,
                                 int blue,
                                struct bu_list *vlfree);
-RT_EXPORT extern void nmg_pl_s(FILE *fp,
+NMG_EXPORT extern void nmg_pl_s(FILE *fp,
                                const struct shell *s,
                               struct bu_list *vlfree);
-RT_EXPORT extern void nmg_pl_r(FILE *fp,
+NMG_EXPORT extern void nmg_pl_r(FILE *fp,
                                const struct nmgregion *r,
                               struct bu_list *vlfree);
-RT_EXPORT extern void nmg_pl_m(FILE *fp,
+NMG_EXPORT extern void nmg_pl_m(FILE *fp,
                                const struct model *m,
                               struct bu_list *vlfree);
-RT_EXPORT extern void nmg_vlblock_v(struct bn_vlblock *vbp,
+NMG_EXPORT extern void nmg_vlblock_v(struct bn_vlblock *vbp,
                                     const struct vertex *v,
                                     long *tab,
                                    struct bu_list *vlfree);
-RT_EXPORT extern void nmg_vlblock_e(struct bn_vlblock *vbp,
+NMG_EXPORT extern void nmg_vlblock_e(struct bn_vlblock *vbp,
                                     const struct edge *e,
                                     long *tab,
                                     int red,
                                     int green,
                                     int blue,
                                    struct bu_list *vlfree);
-RT_EXPORT extern void nmg_vlblock_eu(struct bn_vlblock *vbp,
+NMG_EXPORT extern void nmg_vlblock_eu(struct bn_vlblock *vbp,
                                      const struct edgeuse *eu,
                                      long *tab,
                                      int red,
@@ -2190,7 +2202,7 @@
                                      int blue,
                                      int fancy,
                                     struct bu_list *vlfree);
-RT_EXPORT extern void nmg_vlblock_euleft(struct bu_list                 *vh,
+NMG_EXPORT extern void nmg_vlblock_euleft(struct bu_list                 *vh,
                                          const struct edgeuse           *eu,
                                          const point_t                  center,
                                          const mat_t                    mat,
@@ -2199,13 +2211,13 @@
                                          double                         len,
                                         struct bu_list                 *vlfree,
                                          const struct bn_tol            *tol);
-RT_EXPORT extern void nmg_vlblock_around_eu(struct bn_vlblock           *vbp,
+NMG_EXPORT extern void nmg_vlblock_around_eu(struct bn_vlblock           *vbp,
                                             const struct edgeuse        
*arg_eu,
                                             long                        *tab,
                                             int                 fancy,
                                            struct bu_list *vlfree,
                                             const struct bn_tol *tol);
-RT_EXPORT extern void nmg_vlblock_lu(struct bn_vlblock *vbp,
+NMG_EXPORT extern void nmg_vlblock_lu(struct bn_vlblock *vbp,
                                      const struct loopuse *lu,
                                      long *tab,
                                      int red,
@@ -2213,76 +2225,76 @@
                                      int blue,
                                      int fancy,
                                     struct bu_list *vlfree);
-RT_EXPORT extern void nmg_vlblock_fu(struct bn_vlblock *vbp,
+NMG_EXPORT extern void nmg_vlblock_fu(struct bn_vlblock *vbp,
                                      const struct faceuse *fu,
                                      long *tab, int fancy, struct bu_list 
*vlfree);
-RT_EXPORT extern void nmg_vlblock_s(struct bn_vlblock *vbp,
+NMG_EXPORT extern void nmg_vlblock_s(struct bn_vlblock *vbp,
                                     const struct shell *s,
                                     int fancy,
                                    struct bu_list *vlfree);
-RT_EXPORT extern void nmg_vlblock_r(struct bn_vlblock *vbp,
+NMG_EXPORT extern void nmg_vlblock_r(struct bn_vlblock *vbp,
                                     const struct nmgregion *r,
                                     int fancy,
                                    struct bu_list *vlfree);
-RT_EXPORT extern void nmg_vlblock_m(struct bn_vlblock *vbp,
+NMG_EXPORT extern void nmg_vlblock_m(struct bn_vlblock *vbp,
                                     const struct model *m,
                                     int fancy,
                                    struct bu_list *vlfree);
 
 /* visualization helper routines */
-RT_EXPORT extern void nmg_pl_edges_in_2_shells(struct bn_vlblock        *vbp,
+NMG_EXPORT extern void nmg_pl_edges_in_2_shells(struct bn_vlblock        *vbp,
                                                long                     *b,
                                                const struct edgeuse     *eu,
                                                int                      fancy,
                                               struct bu_list *vlfree,
                                                const struct bn_tol      *tol);
-RT_EXPORT extern void nmg_pl_isect(const char           *filename,
+NMG_EXPORT extern void nmg_pl_isect(const char           *filename,
                                    const struct shell   *s,
                                   struct bu_list *vlfree,
                                    const struct bn_tol  *tol);
-RT_EXPORT extern void nmg_pl_comb_fu(int num1,
+NMG_EXPORT extern void nmg_pl_comb_fu(int num1,
                                      int num2,
                                      const struct faceuse *fu1,
                                     struct bu_list *vlfree);
-RT_EXPORT extern void nmg_pl_2fu(const char *str,
+NMG_EXPORT extern void nmg_pl_2fu(const char *str,
                                  const struct faceuse *fu1,
                                  const struct faceuse *fu2,
                                  int show_mates,
                                 struct bu_list *vlfree);
 /* graphical display of classifier results */
-RT_EXPORT extern void nmg_show_broken_classifier_stuff(uint32_t *p,
+NMG_EXPORT extern void nmg_show_broken_classifier_stuff(uint32_t *p,
                                                        char     **classlist,
                                                        int      all_new,
                                                        int      fancy,
                                                        const char       
*a_string,
                                                       struct bu_list *vlfree);
-RT_EXPORT extern void nmg_face_plot(const struct faceuse *fu, struct bu_list 
*vlfree);
-RT_EXPORT extern void nmg_2face_plot(const struct faceuse *fu1,
+NMG_EXPORT extern void nmg_face_plot(const struct faceuse *fu, struct bu_list 
*vlfree);
+NMG_EXPORT extern void nmg_2face_plot(const struct faceuse *fu1,
                                      const struct faceuse *fu2,
                                     struct bu_list *vlfree);
-RT_EXPORT extern void nmg_face_lu_plot(const struct loopuse *lu,
+NMG_EXPORT extern void nmg_face_lu_plot(const struct loopuse *lu,
                                        const struct vertexuse *vu1,
                                        const struct vertexuse *vu2,
                                       struct bu_list *vlfree);
-RT_EXPORT extern void nmg_plot_lu_ray(const struct loopuse              *lu,
+NMG_EXPORT extern void nmg_plot_lu_ray(const struct loopuse              *lu,
                                       const struct vertexuse            *vu1,
                                       const struct vertexuse            *vu2,
                                       const vect_t                      left,
                                      struct bu_list *vlfree);
-RT_EXPORT extern void nmg_plot_ray_face(const char *fname,
+NMG_EXPORT extern void nmg_plot_ray_face(const char *fname,
                                         point_t pt,
                                         const vect_t dir,
                                         const struct faceuse *fu,
                                        struct bu_list *vlfree);
-RT_EXPORT extern void nmg_plot_lu_around_eu(const char          *prefix,
+NMG_EXPORT extern void nmg_plot_lu_around_eu(const char          *prefix,
                                             const struct edgeuse        *eu,
                                            struct bu_list *vlfree,
                                             const struct bn_tol *tol);
-RT_EXPORT extern int nmg_snurb_to_vlist(struct bu_list          *vhead,
+NMG_EXPORT extern int nmg_snurb_to_vlist(struct bu_list          *vhead,
                                         const struct face_g_snurb       *fg,
                                         int                     n_interior,
                                        struct bu_list *vlfree);
-RT_EXPORT extern void nmg_cnurb_to_vlist(struct bu_list *vhead,
+NMG_EXPORT extern void nmg_cnurb_to_vlist(struct bu_list *vhead,
                                          const struct edgeuse *eu,
                                          int n_interior,
                                         int cmd,
@@ -2291,43 +2303,43 @@
 /**
  * edge use distance tolerance
  */
-RT_EXPORT extern double nmg_eue_dist;
+NMG_EXPORT extern double nmg_eue_dist;
 
 
 /* from nmg_mesh.c */
-RT_EXPORT extern int nmg_mesh_two_faces(struct faceuse *fu1,
+NMG_EXPORT extern int nmg_mesh_two_faces(struct faceuse *fu1,
                                         struct faceuse *fu2,
                                         const struct bn_tol     *tol);
-RT_EXPORT extern void nmg_radial_join_eu(struct edgeuse *eu1,
+NMG_EXPORT extern void nmg_radial_join_eu(struct edgeuse *eu1,
                                          struct edgeuse *eu2,
                                          const struct bn_tol *tol);
-RT_EXPORT extern void nmg_mesh_faces(struct faceuse *fu1,
+NMG_EXPORT extern void nmg_mesh_faces(struct faceuse *fu1,
                                      struct faceuse *fu2,
                                     struct bu_list *vlfree,
                                     const struct bn_tol *tol);
-RT_EXPORT extern int nmg_mesh_face_shell(struct faceuse *fu1,
+NMG_EXPORT extern int nmg_mesh_face_shell(struct faceuse *fu1,
                                          struct shell *s,
                                          const struct bn_tol *tol);
-RT_EXPORT extern int nmg_mesh_shell_shell(struct shell *s1,
+NMG_EXPORT extern int nmg_mesh_shell_shell(struct shell *s1,
                                           struct shell *s2,
                                          struct bu_list *vlfree,
                                           const struct bn_tol *tol);
-RT_EXPORT extern double nmg_measure_fu_angle(const struct edgeuse *eu,
+NMG_EXPORT extern double nmg_measure_fu_angle(const struct edgeuse *eu,
                                              const vect_t xvec,
                                              const vect_t yvec,
                                              const vect_t zvec);
 
 /* from nmg_bool.c */
-RT_EXPORT extern struct nmgregion *nmg_do_bool(struct nmgregion *s1,
+NMG_EXPORT extern struct nmgregion *nmg_do_bool(struct nmgregion *s1,
                                                struct nmgregion *s2,
                                                const int oper, struct bu_list 
*vlfree, const struct bn_tol *tol);
-RT_EXPORT extern int nmg_two_region_vertex_fuse(struct nmgregion *r1,
+NMG_EXPORT extern int nmg_two_region_vertex_fuse(struct nmgregion *r1,
                                                 struct nmgregion *r2,
                                                 const struct bn_tol *tol);
 
 
 /* from nmg_class.c */
-RT_EXPORT extern void nmg_class_shells(struct shell *sA,
+NMG_EXPORT extern void nmg_class_shells(struct shell *sA,
                                        struct shell *sB,
                                        char **classlist,
                                       struct bu_list *vlfree,
@@ -2335,21 +2347,21 @@
 
 /* from nmg_fcut.c */
 /* static void ptbl_vsort */
-RT_EXPORT extern int nmg_ck_vu_ptbl(struct bu_ptbl      *p,
+NMG_EXPORT extern int nmg_ck_vu_ptbl(struct bu_ptbl      *p,
                                     struct faceuse      *fu);
-RT_EXPORT extern double nmg_vu_angle_measure(struct vertexuse   *vu,
+NMG_EXPORT extern double nmg_vu_angle_measure(struct vertexuse   *vu,
                                              vect_t x_dir,
                                              vect_t y_dir,
                                              int assessment,
                                              int in);
-RT_EXPORT extern int nmg_wedge_class(int        ass,    /* assessment of two 
edges forming wedge */
+NMG_EXPORT extern int nmg_wedge_class(int        ass,    /* assessment of two 
edges forming wedge */
                                      double     a,
                                      double     b);
-RT_EXPORT extern void nmg_sanitize_fu(struct faceuse    *fu);
-RT_EXPORT extern void nmg_unlist_v(struct bu_ptbl       *b,
+NMG_EXPORT extern void nmg_sanitize_fu(struct faceuse    *fu);
+NMG_EXPORT extern void nmg_unlist_v(struct bu_ptbl       *b,
                                    fastf_t *mag,
                                    struct vertex        *v);
-RT_EXPORT extern struct edge_g_lseg *nmg_face_cutjoin(struct bu_ptbl *b1,
+NMG_EXPORT extern struct edge_g_lseg *nmg_face_cutjoin(struct bu_ptbl *b1,
                                                       struct bu_ptbl *b2,
                                                       fastf_t *mag1,
                                                       fastf_t *mag2,
@@ -2360,13 +2372,13 @@
                                                       struct edge_g_lseg *eg,
                                                      struct bu_list *vlfree,
                                                       const struct bn_tol 
*tol);
-RT_EXPORT extern void nmg_fcut_face_2d(struct bu_ptbl *vu_list,
+NMG_EXPORT extern void nmg_fcut_face_2d(struct bu_ptbl *vu_list,
                                        fastf_t *mag,
                                        struct faceuse *fu1,
                                        struct faceuse *fu2,
                                       struct bu_list *vlfree,
                                       struct bn_tol *tol);
-RT_EXPORT extern int nmg_insert_vu_if_on_edge(struct vertexuse *vu1,
+NMG_EXPORT extern int nmg_insert_vu_if_on_edge(struct vertexuse *vu1,
                                               struct vertexuse *vu2,
                                               struct edgeuse *new_eu,
                                               struct bn_tol *tol);
@@ -2375,10 +2387,10 @@
 #define nmg_mev(_v, _u) nmg_me((_v), (struct vertex *)NULL, (_u))
 
 /* From nmg_eval.c */
-RT_EXPORT extern void nmg_ck_lu_orientation(struct loopuse *lu,
+NMG_EXPORT extern void nmg_ck_lu_orientation(struct loopuse *lu,
                                             const struct bn_tol *tolp);
-RT_EXPORT extern const char *nmg_class_name(int class_no);
-RT_EXPORT extern void nmg_evaluate_boolean(struct shell *sA,
+NMG_EXPORT extern const char *nmg_class_name(int class_no);
+NMG_EXPORT extern void nmg_evaluate_boolean(struct shell *sA,
                                            struct shell *sB,
                                            int          op,
                                            char         **classlist,
@@ -2393,175 +2405,175 @@
 /* nmg_eval_plot */
 
 /* From nmg_ck.c */
-RT_EXPORT extern void nmg_vvg(const struct vertex_g *vg);
-RT_EXPORT extern void nmg_vvertex(const struct vertex *v,
+NMG_EXPORT extern void nmg_vvg(const struct vertex_g *vg);
+NMG_EXPORT extern void nmg_vvertex(const struct vertex *v,
                                   const struct vertexuse *vup);
-RT_EXPORT extern void nmg_vvua(const uint32_t *vua);
-RT_EXPORT extern void nmg_vvu(const struct vertexuse *vu,
+NMG_EXPORT extern void nmg_vvua(const uint32_t *vua);
+NMG_EXPORT extern void nmg_vvu(const struct vertexuse *vu,
                               const uint32_t *up_magic_p);
-RT_EXPORT extern void nmg_veg(const uint32_t *eg);
-RT_EXPORT extern void nmg_vedge(const struct edge *e,
+NMG_EXPORT extern void nmg_veg(const uint32_t *eg);
+NMG_EXPORT extern void nmg_vedge(const struct edge *e,
                                 const struct edgeuse *eup);
-RT_EXPORT extern void nmg_veu(const struct bu_list      *hp,
+NMG_EXPORT extern void nmg_veu(const struct bu_list      *hp,
                               const uint32_t *up_magic_p);
-RT_EXPORT extern void nmg_vlg(const struct loop_g *lg);
-RT_EXPORT extern void nmg_vloop(const struct loop *l,
+NMG_EXPORT extern void nmg_vlg(const struct loop_g *lg);
+NMG_EXPORT extern void nmg_vloop(const struct loop *l,
                                 const struct loopuse *lup);
-RT_EXPORT extern void nmg_vlu(const struct bu_list      *hp,
+NMG_EXPORT extern void nmg_vlu(const struct bu_list      *hp,
                               const uint32_t *up);
-RT_EXPORT extern void nmg_vfg(const struct face_g_plane *fg);
-RT_EXPORT extern void nmg_vface(const struct face *f,
+NMG_EXPORT extern void nmg_vfg(const struct face_g_plane *fg);
+NMG_EXPORT extern void nmg_vface(const struct face *f,
                                 const struct faceuse *fup);
-RT_EXPORT extern void nmg_vfu(const struct bu_list      *hp,
+NMG_EXPORT extern void nmg_vfu(const struct bu_list      *hp,
                               const struct shell *s);
-RT_EXPORT extern void nmg_vsshell(const struct shell *s,
+NMG_EXPORT extern void nmg_vsshell(const struct shell *s,
                                  const struct nmgregion *r);
-RT_EXPORT extern void nmg_vshell(const struct bu_list *hp,
+NMG_EXPORT extern void nmg_vshell(const struct bu_list *hp,
                                  const struct nmgregion *r);
-RT_EXPORT extern void nmg_vregion(const struct bu_list *hp,
+NMG_EXPORT extern void nmg_vregion(const struct bu_list *hp,
                                   const struct model *m);
-RT_EXPORT extern void nmg_vmodel(const struct model *m);
+NMG_EXPORT extern void nmg_vmodel(const struct model *m);
 
 /* checking routines */
-RT_EXPORT extern void nmg_ck_e(const struct edgeuse *eu,
+NMG_EXPORT extern void nmg_ck_e(const struct edgeuse *eu,
                                const struct edge *e,
                                const char *str);
-RT_EXPORT extern void nmg_ck_vu(const uint32_t *parent,
+NMG_EXPORT extern void nmg_ck_vu(const uint32_t *parent,
                                 const struct vertexuse *vu,
                                 const char *str);
-RT_EXPORT extern void nmg_ck_eu(const uint32_t *parent,
+NMG_EXPORT extern void nmg_ck_eu(const uint32_t *parent,
                                 const struct edgeuse *eu,
                                 const char *str);
-RT_EXPORT extern void nmg_ck_lg(const struct loop *l,
+NMG_EXPORT extern void nmg_ck_lg(const struct loop *l,
                                 const struct loop_g *lg,
                                 const char *str);
-RT_EXPORT extern void nmg_ck_l(const struct loopuse *lu,
+NMG_EXPORT extern void nmg_ck_l(const struct loopuse *lu,
                                const struct loop *l,
                                const char *str);
-RT_EXPORT extern void nmg_ck_lu(const uint32_t *parent,
+NMG_EXPORT extern void nmg_ck_lu(const uint32_t *parent,
                                 const struct loopuse *lu,
                                 const char *str);
-RT_EXPORT extern void nmg_ck_fg(const struct face *f,
+NMG_EXPORT extern void nmg_ck_fg(const struct face *f,
                                 const struct face_g_plane *fg,
                                 const char *str);
-RT_EXPORT extern void nmg_ck_f(const struct faceuse *fu,
+NMG_EXPORT extern void nmg_ck_f(const struct faceuse *fu,
                                const struct face *f,
                                const char *str);
-RT_EXPORT extern void nmg_ck_fu(const struct shell *s,
+NMG_EXPORT extern void nmg_ck_fu(const struct shell *s,
                                 const struct faceuse *fu,
                                 const char *str);
-RT_EXPORT extern int nmg_ck_eg_verts(const struct edge_g_lseg *eg,
+NMG_EXPORT extern int nmg_ck_eg_verts(const struct edge_g_lseg *eg,
                                      const struct bn_tol *tol);
-RT_EXPORT extern size_t nmg_ck_geometry(const struct model *m,

@@ Diff output truncated at 100000 characters. @@
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