#include  <stdio.h>

#include  <string.h>

#include  <locale.h>

#include  <stdlib.h>

 

extern int  errno;



/*

 * The following example uses the wcscoll subroutine to compare

 * two wide character strings based on their collation weights.

 */

int main(int argc, char **argv) {

    wchar_t  *pwcs1, *pwcs2;

    size_t   n;

 

    setlocale(LC_ALL,  "");

    

    /* set it to zero for checking errors on wcscoll */

    errno  =  0;

    /*

     * Let pwcs1 and pwcs2 be two wide character strings to

     * compare.

     */

    n = wcscoll(pwcs1, pwcs2);

    /*

     * If errno is set then it indicates some

     * collation error.

     */

    if(errno  !=  0) {

        /* error has occurred... handle error... */

    }

    

    return (0);

}