What are include guards in C?
main.c
point.h
point_utils.h
point_utils.c
#include <stdio.h>
#include "point.h"
#include "point_utils.h"
int main(int argc, char* argv[]) {
Point p = new_point();
printf("x: %d, y: %d\n", p.x, p.y);
return 0;
}
