RUE_FLAG_LINK
if ((sc->sc_flags & RUE_FLAG_LINK) == 0) {
if ((sc->sc_flags & RUE_FLAG_LINK) == 0
sc->sc_flags |= RUE_FLAG_LINK;
sc->sc_flags &= ~RUE_FLAG_LINK;
sc->sc_flags &= ~RUE_FLAG_LINK;