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

static char buf[1];

int main(int argc, char *argv[])
{
	int fd;
	int ret;

	if (argc < 2)
		exit(1);

	fd = open(argv[1], 0);
	if (fd < 0)
		exit(1);

	ret = read(fd, (size_t)-1, buf);
	printf("ret: %d %d\n", ret, errno);

	close(fd);
	
	return 0;
}