_OSS_IOW           82 compat/ossaudio/ossaudiovar.h #define OSS_SNDCTL_DSP_SETTRIGGER	_OSS_IOW ('P', 16, int)
_OSS_IOW           91 compat/ossaudio/ossaudiovar.h #define OSS_SNDCTL_DSP_PROFILE		_OSS_IOW ('P', 23, int)
_OSS_IOW          145 compat/ossaudio/ossaudiovar.h #define OSS_MIXER_WRITE(dev)		_OSS_IOW('M', dev, int)