flck 50 ext/standard/flock_compat.c struct flock flck; flck 53 ext/standard/flock_compat.c flck.l_start = flck.l_len = 0; flck 54 ext/standard/flock_compat.c flck.l_whence = SEEK_SET; flck 57 ext/standard/flock_compat.c flck.l_type = F_RDLCK; flck 59 ext/standard/flock_compat.c flck.l_type = F_WRLCK; flck 61 ext/standard/flock_compat.c flck.l_type = F_UNLCK; flck 67 ext/standard/flock_compat.c ret = fcntl(fd, operation & LOCK_NB ? F_SETLK : F_SETLKW, &flck);