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

  Performs formatted output from the standard output (stdout).  See
  Chapter 2 for information on format specifiers.

  Syntax:

        #include <wchar.h>

        int wprintf (const wchar_t *format, ...);