#include <stdio.h>

struct point {
  int x, y;
};

struct rectangle {
  struct point p1, p2;
};

int main(void) {
  struct point pt1 = {5,6}, pt2 = {7,8};
  struct rectangle r = {pt1, pt2},
                   s = {{5,6}, {7,8}};

  /* Printing corner points of r and s*/
  printf("Corner points in r: (%d,%d) and (%d,%d)\n", 
          r.p1.x, r.p1.y, r.p2.x, r.p2.y);
  printf("Corner points in s: (%d,%d) and (%d,%d)\n",
          s.p1.x, s.p1.y, s.p2.x, s.p2.y);

  return 0;
}