sc_wsel          1743 dev/audio.c    	si = play? &sc->sc_wsel : &sc->sc_rsel;
sc_wsel          1782 dev/audio.c    			selrecord(p, &sc->sc_wsel);
sc_wsel          2974 dev/audio.c    		klist = &sc->sc_wsel.si_note;
sc_wsel          3013 dev/audio.c    	SLIST_REMOVE(&sc->sc_wsel.si_note, kn, knote, kn_selnext);
sc_wsel           100 dev/audiovar.h 	struct	selinfo sc_wsel; /* write selector */