VMS Help CC, Run-time functions, decc$from_vms  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  Converts OpenVMS file specifications to UNIX style file
  specifications.

  Syntax:

       #include <unixlib.h>

       int decc$from_vms(const char *vms_filespec, int
       action_routine, int wild_flag);