16 	int rc;  in set_immutable()  local
23 	rc = ioctl(fd, FS_IOC_GETFLAGS, &flags);  in set_immutable()
24 	if (rc < 0) {  in set_immutable()
28 		return rc;  in set_immutable()
36 	rc = ioctl(fd, FS_IOC_SETFLAGS, &flags);  in set_immutable()
40 	return rc;  in set_immutable()
47 	int rc;  in get_immutable()  local
54 	rc = ioctl(fd, FS_IOC_GETFLAGS, &flags);  in get_immutable()
55 	if (rc < 0) {  in get_immutable()
59 		return rc;  in get_immutable()
71 	int fd, rc;  in main()  local
94 	rc = write(fd, buf, sizeof(buf));  in main()
95 	if (rc != sizeof(buf)) {  in main()
102 	rc = get_immutable(path);  in main()
103 	if (rc < 0) {  in main()
106 	} else if (rc) {  in main()
107 		rc = set_immutable(path, 0);  in main()
108 		if (rc < 0) {  in main()
125 	rc = read(fd, buf, sizeof(buf));  in main()
126 	if (rc > 0) {  in main()