#include <stdio.h>

#include <locale.h>

#include <stdlib.h>

 

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

	int     index, len;

	wint_t  retval;

	FILE    *fp;

	wchar_t *pwcs;

	

	setlocale(LC_ALL, "");



	/* Error Handling if fopen was not successful. */

	if((fp = fopen("file", "w")) == NULL){

	    /*  Error handler  */

	} else {

	    /* 

	     * Let len indicate number of wide chars to output.

	     * pwcs points to a wide character buffer of BUFSIZ.

	     */

	    for (index = 0; index < len; index++){

	        retval = fputwc(*pwcs++, fp);

	        if (retval == WEOF) /* write error occurred */

	            break;

	            /* errno is set to indicate the error. */

	    }

	}

}