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} 12