Symbol: GUS_PLAYING
sys/dev/isa/gus.c
1306
sc->sc_flags |= GUS_PLAYING; /* playing is about to start */
sys/dev/isa/gus.c
1355
sc->sc_flags &= ~GUS_PLAYING;
sys/dev/isa/gus.c
774
if (sc->sc_flags & GUS_PLAYING) {