Diablo III countdown

countdown.c

#include <stdio.h>
#include <time.h>

#ifdef __unix__ 
int clear()
{
	system("clear");
	return 0;
}
#elif defined _WIN32
int clear()
{
	system("cls");
	return 0;
}
#endif

int main(void)
{
	
	int diablo_rel = 1337065260;
	time_t now;
	int time_left = 1;
	while(time_left > 0)
	{
		time(&now);
		time_left = iablo_rel-now;
		clear();	
		printf("%d klst, %d mín, %d sek í Diablo III\n", time_left/3600,(time_left/60) % 60 , time_left % 60);
		sleep(1);
	}
	clear();
	printf("Diablo III er kominn út!");
	return 0;
}