147 	int fd, flags, i, start;  in main()  local
152 	start = devnull();  in main()
153 	if (start == -1)  in main()
154 		fail("open", "bad descriptor %d", start);  in main()
159 	if (start != fd)  in main()
160 		fail("highest_fd", "bad descriptor %d != %d", start, fd);  in main()
164 	closefrom(start + 1);  in main()
166 	if (fd != start)  in main()
174 	if (fd != start + 16)  in main()
278 	start = fd - 7;  in main()
281 	close_range(start + 3, start + 5, 0);  in main()
282 	for (i = start + 3; i < start + 6; ++i) {  in main()
288 	if (i != start + 6)  in main()
290 		    start + 3, start + 6);  in main()
294 	close_range(start + 4, start + 6, 0);  in main()
300 	close_range(start + 3, ~0L, 0);  in main()
301 	if ((i = highest_fd()) != start + 2)  in main()
306 	close_range(start, start + 4, 0);  in main()
332 	start = fd - 8;  in main()
333 	if (close_range(start + 1, start + 4, CLOSE_RANGE_CLOEXEC) < 0)  in main()
335 	flags = fcntl(start, F_GETFD);  in main()
340 		    "when it should not have on fd %d", start);  in main()
341 	for (i = start + 1; i <= start + 4; i++) {  in main()
349 	for (; i < start + 8; i++) {  in main()
357 	if (close_range(start, start + 8, 0) < 0)  in main()