sfr_set_vol        99 dev/isa/sf16fmr.c u_int8_t	sfr_set_vol(bus_space_tag_t, bus_space_handle_t, u_int8_t, int);
sfr_set_vol       151 dev/isa/sf16fmr.c 	sfr_set_vol(sc->c.iot, sc->c.ioh, sc->vol, sc->mute);
sfr_set_vol       211 dev/isa/sf16fmr.c 	sc->vol = sfr_set_vol(sc->c.iot, sc->c.ioh, sc->vol, sc->mute);