Symbol: MIDICTL_SOUND_OFF
sys/dev/midictl.c
241
mc->notify(mc->cookie, MIDICTL_SOUND_OFF, chan, 0);
sys/dev/midisyn.c
177
midisyn_notify(ms, MIDICTL_SOUND_OFF, chan, 0);
sys/dev/midisyn.c
496
case MIDICTL_SOUND_OFF: