MTF_STATCONT
(sc->sc_flags & MTF_STATCONT) != 0 ? -1 : sc->sc_slave,
sc->sc_flags &= ~(MTF_STATTIMEO | MTF_STATCONT);
sc->sc_flags |= MTF_STATCONT;
(sc->sc_flags & MTF_STATCONT) ? -1 : sc->sc_slave, MTT_STAT,
sc->sc_flags &= ~(MTF_STATTIMEO | MTF_STATCONT);
sc->sc_flags |= MTF_STATCONT;