how to add pam_misc.h , pam_appl.h

[Alikhani]

hi
I need pam_misc.h and pam_appl.h for running a program . How can I find
these and How can I
use these in pam modules. I use 2.4.7-SUSE-SMP
The version pam rpm is : pam-0.74-31
-- by regards
-- Sophia