#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/stat.h>

#ifndef MAXPATHLEN
#define MAXPATHLEN	128
#endif

/* maximum number of chars for the message string */
#define STRCHARS	100

main(int ac, char *av[]) {
	int count, fd, slen, lerr, slerr;
	char *fn;
	struct stat sb;
        char str[255];

        if (mkdir("TEMP", 0755)) {
        	perror("mkdir TEMP");
        	exit(0);
        }
	fd = open("FOO", O_RDWR|O_CREAT, 0666);
	if (fd < 0) {
		perror("creat");
		exit(0);
	}
        sprintf(str, "...");
        slen = strlen(str);
	if (write(fd, str, slen) != slen) {
		perror("write");
		(void) close(fd);
		exit(0);
	}
	if (close(fd)) {
		perror("close");
		exit(0);
	}
	if (lerr = link("FOO", "TEMP/BAR")) {
		if (errno != EOPNOTSUPP) {
			perror("link");
			exit(0);
		}
	} else if (rename("TEMP/BAR", "FOO")) {
		perror("rerename");
		exit(0);
	}
	if (unlink("FOO")) {
		perror("unlink 1");
		exit(0);
	}
        system("ls -l FOO TEMP/BAR");
	exit(errno);
}