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

  Converts a number of monetary values into a string.  The conversion
  is controlled by a format string.

  Syntax:

       #include <monetary.h>

       size_t strfmon (char *s, size_t maxsize, const char *format,
       ...);