wcsncmp

   Compares not more than maxchar characters of two wide-character
   strings. It returns an integer that indicates if the strings are
   different, and how they differ.

   Format

     #include  <wchar.h>

     int wcsncmp  (const wchar_t *wstr_1, const wchar_t *wstr_2,
                  size_t maxchar);
 

Additional information available:

Arguments       Description     Return_Values