C语言结构体中位域（位段）的使用

#include

#include

struct bit

{

char i1:1;

char i2:1;

char i3:1;

char i4:1;

char i5:1;

char i6:1;

char i7:1;

char i8:1;

};

int main()

{

char x=1;

struct bit *pb=(struct bit*)&x;

pb->i5=1;

printf("%d\n",x);

system("pause");

return 0;

}

摘自：宋金时的blog