midisyn_hw_if     184 dev/ic/opl.c   	midi_attach_mi(&midisyn_hw_if, &sc->syn, &sc->mididev.dev);
midisyn_hw_if      83 dev/midisyn.c  struct midi_hw_if midisyn_hw_if = {
midisyn_hw_if     189 dev/midisyn.c  	sc->hw_if = &midisyn_hw_if;
midisyn_hw_if      92 dev/midisynvar.h extern struct midi_hw_if midisyn_hw_if;