strcoll

   Compares two strings and returns an integer that indicates if
   the strings differ and how they differ. The function uses the
   collating information in the LC_COLLATE category of the current
   locale to determine how the comparison is performed.

   Format

     #include  <string.h>

     int strcoll  (const char *s1, const char *s2);
 

Additional information available:

Arguments       Description     Return_Values