1 #include <wchar.h> 2 #include <stdio.h> 3 #include <stdlib.h> 4 #include "internal.h" 5 wctob(wint_t c)6 int 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