main.c

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

/* this */
int* mk_arr_point(int x, int y)
{
	int *p;

	p = malloc(sizeof(int) * 2);
	p[0] = x;
	p[1] = y;
	return (p);
}
/* vs */
struct s_point {
	int x;
	int y;
};

struct s_point* mk_s_point(int x, int y)
{
	struct s_point* p;
	
	p = malloc(sizeof(struct s_point));
	p->x = x;
	p->y = y;
	return (p);
}


int main(void) 
{
	int* point1 = mk_arr_point(2, 5);
	struct s_point* point2 = mk_s_point(2, 5);

	printf("%d, %d\n", point1[0], point1[1]);
	printf("%d, %d\n", point2->x, point2->y);

	return (0);
}