#include <stdio.h>
#include <stdlib.h>  // EXIT_SUCCESS

struct Point {
  float x, y;
};

int main(int argc, char **argv) {
  struct Point p1 = {0.0, 2.0};
  struct Point p2 = {4.0, 6.0};

  printf("p1: {%f,%f}  p2: {%f,%f}\n", p1.x, p1.y, p2.x, p2.y);
  p2 = p1;
  printf("p1: {%f,%f}  p2: {%f,%f}\n", p1.x, p1.y, p2.x, p2.y);

  return EXIT_SUCCESS;
}