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

  Converts a multibyte character to its wide-character equivalent.

  Syntax:

       #include <stdlib.h>

       int mbtowc(wchar_t *pwc, const char *s, size_t n);