_OSS_IOCTL         49 compat/ossaudio/ossaudiovar.h #define _OSS_IO(x,y)        _OSS_IOCTL(OSS_IOC_VOID, x, y, 0)
_OSS_IOCTL         50 compat/ossaudio/ossaudiovar.h #define _OSS_IOR(x,y,t)     _OSS_IOCTL(OSS_IOC_OUT, x, y, sizeof(t))
_OSS_IOCTL         51 compat/ossaudio/ossaudiovar.h #define _OSS_IOW(x,y,t)     _OSS_IOCTL(OSS_IOC_IN, x, y, sizeof(t))
_OSS_IOCTL         52 compat/ossaudio/ossaudiovar.h #define _OSS_IOWR(x,y,t)    _OSS_IOCTL(OSS_IOC_INOUT, x, y, sizeof(t))