43 	int fd = open(unload_heads_path, O_RDONLY);  in valid_disk()  local
45 	if (fd < 0) {  in valid_disk()
50 	close(fd);  in valid_disk()
57 	int fd = open(path, O_RDWR);  in write_int()  local
59 	if (fd < 0) {  in write_int()
66 	if (write(fd, buf, strlen(buf)) != strlen(buf)) {  in write_int()
71 	close(fd);  in write_int()
109 	int fd, ret;  in main()  local
126 	fd = open("/dev/freefall", O_RDONLY);  in main()
127 	if (fd < 0) {  in main()
151 		ret = read(fd, &count, sizeof(count));  in main()
172 	close(fd);  in main()