- 683 名前：デフォルトの名無しさん mailto:sage [2009/02/14(土) 15:38:04 ]
- >680
unsigned char 範囲の値を渡せって規格で要求されてるから。
> 9899:1999 7.4
> The header <ctype.h> declares several functions useful for classifying and mapping
> characters. In all cases the argument is an int, the value of which shall be
> representable as an unsigned char or shall equal the value of the macro EOF. If the
> argument has any other value, the behavior is undefined.
