AUDIO_DRAIN       114 compat/ossaudio/ossaudio.c 		error = ioctlf(fp, AUDIO_DRAIN, (caddr_t)0, p);
AUDIO_DRAIN       805 compat/sunos/sunos_ioctl.c 		error = (*ctl)(fp, AUDIO_DRAIN, (void *)0, p);
AUDIO_DRAIN      1681 dev/audio.c    	case AUDIO_DRAIN: