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

#define log_int(n) printf("%s == %d\n", #n, n)
#define log_addr(n) printf("%s == %p\n", #n, (void*)(n))
#define log_point(n) printf("%s == (%d,%d)\n", #n, (n).x, (n).y)

typedef struct {
    int x;
    int y;
} Point;

Point* malloc_and_return_point(int x) {
    Point* a_point = malloc(sizeof(*a_point));
    *a_point = (Point){ .x = x };
    return a_point;
}

int main(int argc, char* argv[]) {
    Point* a_p1 = malloc(sizeof(*a_p1));
    *a_p1 = (Point){ .x = 7, .y = 9 };

    log_point(*a_p1);

    free(a_p1);

    Point* a_p2 = malloc_and_return_point(7);
    log_point(*a_p2);
    free(a_p2);

    return EXIT_SUCCESS;
}
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