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