Medium: 30days of hacking: Day1

simple_keycheck.c

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

int main(int argc, char *argv[]) 
{
	if (argc != 2) {
		printf("Improper input\nUsage: ./simple_keygen <KEY>\n");
		return -1;
	}
	if (!strcmp("WhatASimpleKey", argv[1])) {
		printf("Correct key. Congrats!\n");
		return 0;
	}
	printf("Incorrect key\n");
	return 0;
}