}

// Minor returns the minor component of a Linux device number.
func Minor(dev uint64) uint32 {
	return uint32(dev & 0xffff)
}

// Mkdev returns a Linux device number generated from the given major and minor
// components.
func Mkdev(major, minor uint32) uint64 {
	return uint64(((major) << 16) | (minor))

}

// Minor returns the minor component of a Linux device number.
func Minor(dev uint64) uint32 {
	return uint32((dev & 0x00000000ffffffff) >> 0)
}

// Mkdev returns a Linux device number generated from the given major and minor
// components.
func Mkdev(major, minor uint32) uint64 {
	var DEVNO64 uint64
	DEVNO64 = 0x8000000000000000
	return ((uint64(major) << 32) | (uint64(minor) & 0x00000000FFFFFFFF) | DEVNO64)

}

// Minor returns the minor component of a z/OS device number.
func Minor(dev uint64) uint32 {
	return uint32(dev & 0x0000FFFF)
}

// Mkdev returns a z/OS device number generated from the given major and minor
// components.
func Mkdev(major, minor uint32) uint64 {
	return (uint64(major) << 16) | uint64(minor)

	if err := Statx(fd, path, AT_NO_AUTOMOUNT|flags, STATX_BASIC_STATS, &r); err != nil {
		return err
	}

	stat.Dev = Mkdev(r.Dev_major, r.Dev_minor)
	stat.Ino = r.Ino
	stat.Mode = uint32(r.Mode)
	stat.Nlink = r.Nlink
	stat.Uid = r.Uid
	stat.Gid = r.Gid
	stat.Rdev = Mkdev(r.Rdev_major, r.Rdev_minor)
	// hope we don't get to process files so large to overflow these size
	// fields...
	stat.Size = int64(r.Size)