1#include "internal.h"
2#include <stdio.h>
3#include <stdlib.h>
4#include <wchar.h>
5
6int wctob(wint_t c) {
7    if (c < 128U)
8        return c;
9    if (MB_CUR_MAX == 1 && IS_CODEUNIT(c))
10        return (unsigned char)c;
11    return EOF;
12}
13