修饰符的组合 ●signed char:有符号char,范围-128~127 ●unsigned char:无符号char,范围0~255 ·char:既可能有符号也可能无符号，由实现决定 。short int台short:短整型，推荐简写形式 。long int台long:长整形，推荐简写形式 o signed intint,singned short short, signed long台long ·最终有意义的组合 o short,unsigned short o int,unsigned int long,unsigned long 17/43修饰符的组合 signed char：有符号 char，范围 −128 ∼ 127 unsigned char：无符号 char，范围 0 ∼ 255 char：既可能有符号也可能无符号，由实现决定 short int ⇔ short：短整型，推荐简写形式 long int ⇔ long：长整形，推荐简写形式 signed int ⇔ int, singned short ⇔ short, signed long ⇔ long 最终有意义的组合 short, unsigned short int, unsigned int long, unsigned long 17 / 43