#include <stdio.h>
    struct point1
    {
        int x[2];
    };
    struct point2
    {
        int *x;
    };
    int main()
    {
        struct point1 p1 = {11, 22};
        struct point2 *ptr1 = (struct q*)&p1;
        ptr1->x = (struct q*)&p1.x;
        printf("%d\n", ptr1->x[0]);
    }