_IOC_TYPESHIFT     27 arch/alpha/include/uapi/asm/ioctl.h #define _IOC_TYPESHIFT	(_IOC_NRSHIFT+_IOC_NRBITS)
_IOC_TYPESHIFT     31 arch/sparc/include/uapi/asm/ioctl.h #define _IOC_TYPESHIFT   (_IOC_NRSHIFT + _IOC_NRBITS)
_IOC_TYPESHIFT     45 include/uapi/asm-generic/ioctl.h #define _IOC_TYPESHIFT	(_IOC_NRSHIFT+_IOC_NRBITS)