1#include <wchar.h>
 2#include <stdio.h>
 3#include <stdlib.h>
 4#include "internal.h"
 5
 6int wctob(wint_t c)
 7{
 8	if (c < 128U) return c;
 9	if (MB_CUR_MAX==1 && IS_CODEUNIT(c)) return (unsigned char)c;
10	return EOF;
11}