}

type IfaMsghdr struct {
	Msglen  uint16
	Version uint8
	Type    uint8
	Hdrlen  uint16
	Index   uint16
	Tableid uint16
	Pad1    uint8
	Pad2    uint8
	Addrs   int32
	Flags   int32
	Metric  int32
}

type IfAnnounceMsghdr struct {
	Msglen  uint16
	Version uint8
	Type    uint8
	Hdrlen  uint16
	Index   uint16
	What    uint16
	Name    [16]int8
}

	Protocol uint16
	Ifindex  int32
	Hatype   uint16
	Pkttype  uint8
	Halen    uint8
	Addr     [8]uint8
}

type RawSockaddrNetlink struct {
	Family uint16
	Pad    uint16
	Pid    uint32
	Groups uint32
}

type RawSockaddr struct {
	Family uint16
	Data   [14]uint8
}

type RawSockaddrAny struct {
	Addr RawSockaddr
	Pad  [96]uint8
}

type _Socklen uint32

)

type binaryByteOrder interface {
	Uint16([]byte) uint16
	Uint32([]byte) uint32
	Uint64([]byte) uint64
	PutUint16([]byte, uint16)
	PutUint32([]byte, uint32)
	PutUint64([]byte, uint64)
}

type binaryLittleEndian struct{}

func (binaryLittleEndian) Uint16(b []byte) uint16 {
	_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
	return uint16(b[0]) | uint16(b[1])<<8
}

	Lastchange  Timeval
}

type IfaMsghdr struct {
	Msglen  uint16
	Version uint8
	Type    uint8
	Addrs   int32
	Flags   int32
	Index   uint16
	_       uint16
	Metric  int32
}

type IfmaMsghdr struct {
	Msglen  uint16
	Version uint8
	Type    uint8
	Addrs   int32
	Flags   int32
	Index   uint16
	_       uint16
}

type IfAnnounceMsghdr struct {
	Msglen  uint16

}

type RawSockaddrInet4 struct {
	Family uint16
	Port   uint16
	Addr   [4]byte /* in_addr */
	Zero   [8]int8
}

type RawSockaddrInet6 struct {
	Family   uint16
	Port     uint16
	Flowinfo uint32
	Addr     [16]byte /* in6_addr */
	Scope_id uint32
	_        uint32
}

type RawSockaddrUnix struct {
	Family uint16
	Path   [108]int8
}

type RawSockaddrDatalink struct {

	Lastchange Timespec
}

type IfaMsghdr struct {
	Msglen    uint16
	Version   uint8
	Type      uint8
	Addrs     int32
	Flags     int32
	Metric    int32
	Index     uint16
	Pad_cgo_0 [6]byte
}

type IfAnnounceMsghdr struct {
	Msglen  uint16
	Version uint8
	Type    uint8
	Index   uint16
	Name    [16]int8
	What    uint16
}

type RtMsghdr struct {
	Msglen    uint16

}

type IfaMsghdr struct {
	Msglen  uint16
	Version uint8
	Type    uint8
	Hdrlen  uint16
	Index   uint16
	Tableid uint16
	Pad1    uint8
	Pad2    uint8
	Addrs   int32
	Flags   int32
	Metric  int32
}

type IfAnnounceMsghdr struct {
	Msglen  uint16
	Version uint8
	Type    uint8
	Hdrlen  uint16
	Index   uint16
	What    uint16
	Name    [16]int8
}

}

type IfaMsghdr struct {
	Msglen  uint16
	Version uint8
	Type    uint8
	Hdrlen  uint16
	Index   uint16
	Tableid uint16
	Pad1    uint8
	Pad2    uint8
	Addrs   int32
	Flags   int32
	Metric  int32
}

type IfAnnounceMsghdr struct {
	Msglen  uint16
	Version uint8
	Type    uint8
	Hdrlen  uint16
	Index   uint16
	What    uint16
	Name    [16]int8
}

	SubstituteNameLength uint16
	// PrintNameOffset is similar to SubstituteNameOffset.
	PrintNameOffset uint16
	// PrintNameLength is similar to SubstituteNameLength.
	PrintNameLength uint16
	// Flags specifies whether the substitute name is a full path name or
	// a path name relative to the directory containing the symbolic link.
	Flags      uint32
	PathBuffer [1]uint16
}

// Path returns path stored in rb.

func Encode(s []rune) []uint16 {
	n := len(s)
	for _, v := range s {
		if v >= surrSelf {
			n++
		}
	}

	a := make([]uint16, n)
	n = 0
	for _, v := range s {
		switch RuneLen(v) {
		case 1: // normal rune
			a[n] = uint16(v)
			n++
		case 2: // needs surrogate sequence
			r1, r2 := EncodeRune(v)
			a[n] = uint16(r1)
			a[n+1] = uint16(r2)
			n += 2
		default: