/sys$common/syshlp/helplib.hlb CC, Run-time functions, memccpy  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  Copies characters sequentially between strings in memory areas.

  Syntax:

        #include <string.h>

        void *memccpy (void *destination_str, void *source_str, int
       c, size_t n);