C Programming Language>第十章 例[10-3:左移位操作。运行结果 void maino[ Ox1b left shift 2 bit: 0x6c uns i gned char a, b a=0x1b;b=a<<2; printf("0x% x eft shift2bit:0×%xⅦn",a,b); b=a<20|o011o11a:0x1b 舍弃 b: 0x6c 补零 US bajiao usle, oc例[10-3]：左移位操作。 void main(){ unsigned char a, b; a=0x1b; b=a<<2; printf("0x%x left_shift 2 bit:0x%x\n",a,b); } 运行结果： 0x1b left_shift 2 bit:0x6c 0 0 0 1 1 0 1 1 a:0x1b 0 1 1 0 1 1 0 0 b:0x6c 舍弃 补零 b=a<<2 0 0 0 1 1 0 1 1 a:0x1b 0 1 1 0 1 1 0 0 b:0x6c 舍弃 补零 b=a<<2