RDF_ALIVE
sc->sc_flags = RDF_ALIVE | RDF_WLABEL;
if ((sc->sc_flags & RDF_ALIVE) == 0)
if ((sc->sc_flags & RDF_ALIVE) == 0)
sc->sc_flags = RDF_ALIVE;
if ((sc->sc_flags & RDF_ALIVE) == 0)
sc->sc_flags = RDF_ALIVE | RDF_WLABEL;
if (sc == NULL || (sc->sc_flags & RDF_ALIVE) == 0)
if (sc == NULL || (sc->sc_flags & RDF_ALIVE) == 0)
sc->sc_flags = RDF_ALIVE;
if (sc == NULL || (sc->sc_flags & RDF_ALIVE) ==0)