1 #include<stdio.h>
2 int main()
3 {
4 int a=0xaa;
5 a|=0x55;
6 printf("a is %x\n",a);
7 a=0xaa;
8 a&=~(0xa);
9 printf("a is %x\n",a);
10 }
注意写法
a|=0x55;
and
a&=~(0xa);
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1 #include<stdio.h>
2 int main()
3 {
4 int a=0xaa;
5 a|=0x55;
6 printf("a is %x\n",a);
7 a=0xaa;
8 a&=~(0xa);
9 printf("a is %x\n",a);
10 }
注意写法
a|=0x55;
and
a&=~(0xa);
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