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

void main()
{
	struct stat s;
	int fd = creat("test", O_RDWR);
	unlink("test1");
	close(fd);
	rename("test", "test1");
	stat("test1", &s);
}