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

int main(void)
{
    	int stat(const char *pathname,struct stat *sbuf);

    	if(open("temfile", O_RDWR)<0)
    	{
        	printf("open error!\n");
        	exit(1);
    	}

    	if(unlink("tempfile")<0)
    	{
        	printf("unlink error");
        	exit(1);
    	}
    	printf("file unlinked.\n");

    	sleep(15);
    	printf("done\n");

   	exit(0);
}