#include <stdio.h>

struct point {
	float x;
	float y;
};

int main() {
	struct point p1, p2;
	struct point * ptr;

	ptr = &p1;

	p1.x = 3;
	ptr->y = 4; 

	printf("\nx-Koordinate von p1: %f", ptr->x);
	printf("\ny-Koordinate von p1: %f", (*ptr).y);

	p2 = p1;

	printf("\nx-Koordinate von p2: %f", p2.x);
	printf("\ny-Koordinate von p2: %f", (&p2)->y);

	printf("\n\n");
	return 0;
}