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