#include <stdlib.h>

#include <locale.h>



/*

 * The following example uses the wcstombs and wcslen subroutines

 * to convert a wide character string to multibyte form.

 */

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

    wchar_t *pwcs; /* Source wide character string */

    char    *s;    /* Destination multibyte character string */

    size_t   n;

    size_t   retval;

 

    setlocale(LC_ALL, "");

    

    /*

     * Calculate the maximum number of bytes needed to

     * store the wide character buffer in multibyte form in the 

     * current code page and malloc() the appropriate storage,

     * including the terminating null.

     */

    s = (char *)malloc(wcslen(pwcs) * MB_CUR_MAX + 1); 

    retval = wcstombs(s, pwcs, n); 

    

    if (retval == -1) {

        /* Error handling */

        /* now, s points to the multibyte character string. */

    }

}