--- libtcc.h	2004-10-24 00:49:08.000000000 +0200
+++ /home/sveinb/oslo/jsext/tcc-min/libtcc.h	2006-10-12 22:57:00.000000000 +0200
@@ -51,6 +51,10 @@
    error. */
 int tcc_compile_string(TCCState *s, const char *buf);
 
+/* preprocess a string containing a C source. Return null if
+   error. Returns string allocated with malloc() */
+char *tcc_preprocess_string(TCCState *s, const char *buf);
+
 /*****************************/
 /* linking commands */
 
