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

  Sets a specified value to a specified number of wide characters in
  an object.

  Syntax:

        #include <wchar.h>

        wchar_t wmemset (wchar_t *s, wchar_t c, size_t n);