/*
 * Test program for the gcd
 * Compile with: gcc -o gcd-test gcd.c gcd-test.c
 * Then run with: ./gcd-test integer_a integer_b
 */

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

int gcd(int a, int b);

int main(int argc, char* argv[]) {
	if (argc > 2) {
		int a = atoi(argv[1]);
		int b = atoi(argv[2]);
		fprintf(stdout, "gcd(%d, %d) = %d\n", a, b, gcd(a, b));
	} else {
		fprintf(stderr, "# Usage: %s <int> <int>\n", argv[0]);
	}
	return 0;
}