#include <stdlib.h>  // EXIT_SUCCESS



struct Point {

  float x, y;

};



int main(int argc, char **argv) {

  struct Point p1 = {0.0, 0.0};  // p1 is stack allocated

  struct Point *p1_ptr = &p1;



  p1.x = 1.0;

  p1_ptr->y = 2.0;

  return EXIT_SUCCESS;

}