#include<stdio.h>


struct point
 {
   int x;
   int y;
 };

struct rect
 {
   struct point pt1;
   struct point pt2;
 };


int main()
{

struct point pt1  = {-10, -10};
struct point *pp;
pp = &pt1;

struct rect r = { {2,3},{5,6}}, *rp = &r;

printf("%d, %d \n", (*pp).x, (*pp).y);
printf("X = %d, %d and Y = %d, %d\n", rp->pt1.x, r.pt2.x, rp->pt1.y, rp->pt2.y);
return 0;
}