#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>


int main()
{
	off_t rv;
	int fd;

	fd = open("/tmp/test", O_RDWR | O_LARGEFILE | O_CREAT | O_TRUNC, S_IRWXU);
	if (fd < 0)
		return -1;
	rv = lseek(fd, (off_t) 3 << 30, SEEK_SET);
	if (rv == -1)
		printf("zle\n");
	else
		printf("dobrze\n");
	return 0;
}