/* Anders Brander <anders@brander.dk> 2001-11-07 */

#include <unistd.h>
#include <fcntl.h>

int
main(void)
{
	char tmp;
	fcntl(0, F_SETFL, FNDELAY);
	printf("%d\n", read(0, &tmp, 1));
	return(0);
}