zerobuf          1384 dev/audio.c    	u_char zerobuf[128];
zerobuf          1386 dev/audio.c    	audio_fill_silence(&sc->sc_rparams, zerobuf, sizeof zerobuf);
zerobuf          1390 dev/audio.c    		k = min(n, min(uio->uio_resid, sizeof zerobuf));
zerobuf          1391 dev/audio.c    		error = uiomove(zerobuf, k, uio);