BYTE $0x7c; BYTE $0xc1; BYTE $0xc2; BYTE $0xc3
	BYTE $0xc4; BYTE $0xc5; BYTE $0xc6; BYTE $0xc7
	BYTE $0xc8; BYTE $0xc9; BYTE $0xd1; BYTE $0xd2
	BYTE $0xd3; BYTE $0xd4; BYTE $0xd5; BYTE $0xd6
	BYTE $0xd7; BYTE $0xd8; BYTE $0xd9; BYTE $0xe2
	BYTE $0xe3; BYTE $0xe4; BYTE $0xe5; BYTE $0xe6
	BYTE $0xe7; BYTE $0xe8; BYTE $0xe9; BYTE $0xad
	BYTE $0xe0; BYTE $0xbd; BYTE $0x5f; BYTE $0x6d
	BYTE $0x79; BYTE $0x81; BYTE $0x82; BYTE $0x83

// interface type assertions x.(T)
func assertE2I(inter *byte, typ *byte) *byte
func assertE2I2(inter *byte, typ *byte) *byte
func panicdottypeE(have, want, iface *byte)
func panicdottypeI(have, want, iface *byte)
func panicnildottype(want *byte)
func typeAssert(s *byte, typ *byte) *byte

// interface switches
func interfaceSwitch(s *byte, t *byte) (int, *byte)

	// set up R2 to point to CEECAADMC
	BYTE $0xE3; BYTE $0x20; BYTE $0x04; BYTE $0xB8; BYTE $0x00; BYTE $0x17 // llgt  2,1208
	BYTE $0xB9; BYTE $0x17; BYTE $0x00; BYTE $0x22                         // llgtr 2,2
	BYTE $0xA5; BYTE $0x26; BYTE $0x7F; BYTE $0xFF                         // nilh  2,32767
	BYTE $0xE3; BYTE $0x22; BYTE $0x00; BYTE $0x58; BYTE $0x00; BYTE $0x04 // lg    2,88(2)

   *
   * @since 10.0
   */
  public static final byte MAX_POWER_OF_TWO = (byte) 0x80;

  /**
   * The largest value that fits into an unsigned byte.
   *
   * @since 13.0
   */
  public static final byte MAX_VALUE = (byte) 0xFF;

  private static final int UNSIGNED_MASK = 0xFF;

  /**

}

func gcmLengths(len0, len1 uint64) [16]byte {
	return [16]byte{
		byte(len0 >> 56),
		byte(len0 >> 48),
		byte(len0 >> 40),
		byte(len0 >> 32),
		byte(len0 >> 24),
		byte(len0 >> 16),
		byte(len0 >> 8),
		byte(len0),
		byte(len1 >> 56),
		byte(len1 >> 48),
		byte(len1 >> 40),
		byte(len1 >> 32),
		byte(len1 >> 24),
		byte(len1 >> 16),
		byte(len1 >> 8),
		byte(len1),
	}

	Creatim31    [4]byte
	AuditID      [16]byte
	_            [4]byte // rsrvd1
	File_tag     struct {
		Ccsid   uint16
		Txtflag uint16 // aggregating Txflag:1 deferred:1 rsvflags:14
	}
	CharsetID [8]byte
	Blocks    int64
	Genvalue  uint32
	Reftim31  [4]byte
	Fid       [8]byte
	Filefmt   byte
	Fspflag2  byte
	_         [2]byte // rsrvd2
	Ctimemsec int32
	Seclabel  [8]byte
	_         [4]byte // rsrvd3

					"bar": {Mode: 0644, Data: []byte("bar")},
				},
				{
					"foo": {Mode: 0644, Data: []byte("foo2")},
					"bar": {Mode: 0644, Data: []byte("bar2")},
				},
				{
					"foo": {Mode: 0644, Data: []byte("foo3")},
					"bar": {Mode: 0644, Data: []byte("bar3")},
				},
				{
					"foo": {Mode: 0644, Data: []byte("foo4")},
					"bar": {Mode: 0644, Data: []byte("bar4")},
				},
			},
		},
		{

	b[0] = byte(v)
	b[1] = byte(v >> 8)
	b[2] = byte(v >> 16)
	b[3] = byte(v >> 24)
	b[4] = byte(v >> 32)
	b[5] = byte(v >> 40)
	b[6] = byte(v >> 48)
	b[7] = byte(v >> 56)
}

func (littleEndian) AppendUint64(b []byte, v uint64) []byte {
	return append(b,
		byte(v),
		byte(v>>8),
		byte(v>>16),
		byte(v>>24),
		byte(v>>32),
		byte(v>>40),
		byte(v>>48),

	{"TrimRight", []byte("☺"), "☺", []byte{}},
	{"TrimPrefix", nil, "", nil},
	{"TrimPrefix", []byte{}, "", []byte{}},
	{"TrimPrefix", []byte{'a'}, "a", []byte{}},
	{"TrimPrefix", []byte("☺"), "☺", []byte{}},
	{"TrimSuffix", nil, "", nil},
	{"TrimSuffix", []byte{}, "", []byte{}},
	{"TrimSuffix", []byte{'a'}, "a", []byte{}},
	{"TrimSuffix", []byte("☺"), "☺", []byte{}},
}

func (s *sum32) Sum(in []byte) []byte {
	v := uint32(*s)
	return byteorder.BeAppendUint32(in, v)
}

func (s *sum32a) Sum(in []byte) []byte {
	v := uint32(*s)
	return byteorder.BeAppendUint32(in, v)
}

func (s *sum64) Sum(in []byte) []byte {
	v := uint64(*s)
	return byteorder.BeAppendUint64(in, v)
}

func (s *sum64a) Sum(in []byte) []byte {
	v := uint64(*s)