编辑代码

#include <stdio.h>
typedef struct {
    unsigned char bit0;
    unsigned char bit1;
    unsigned char bit2;
    unsigned char bit3;
    unsigned char bit4;
} bi ;
bi y;

int main () {
    int j=1,*p;
    
    p=&j;
    //&(((bi*) 0x11)->j);
    //printf("%d\n",xx(0));
    printf("%d\n",y.bit0);
    return 0;
}