_IOC_SIZEMASK      88 include/uapi/asm-generic/ioctl.h #define _IOC_SIZE(nr)		(((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
_IOC_SIZEMASK      95 include/uapi/asm-generic/ioctl.h #define IOCSIZE_MASK	(_IOC_SIZEMASK << _IOC_SIZESHIFT)