Ngroups int16
	Groups  [16]uint32
	_       *byte
}

type Linger struct {
	Onoff  int32
	Linger int32
}

type Iovec struct {
	Base *byte
	Len  uint32
}

type IPMreq struct {
	Multiaddr [4]byte /* in_addr */
	Interface [4]byte /* in_addr */
}

type IPMreqn struct {
	Multiaddr [4]byte /* in_addr */
	Address   [4]byte /* in_addr */
	Ifindex   int32
}

	{"GIF 87a", []byte(`GIF87a`), "image/gif"},
	{"GIF 89a", []byte(`GIF89a...`), "image/gif"},
	{"WEBP image", []byte("RIFF\x00\x00\x00\x00WEBPVP"), "image/webp"},
	{"PNG image", []byte("\x89PNG\x0D\x0A\x1A\x0A"), "image/png"},
	{"JPEG image", []byte("\xFF\xD8\xFF"), "image/jpeg"},

	// Audio types.
	{"MIDI audio", []byte("MThd\x00\x00\x00\x06\x00\x01"), "audio/midi"},

	Ver             uint32
	X__rsvd         uint32
	Un              [16]byte
	X_sysctl_size   [8]byte
	X_sysctl_func   [8]byte
	X_sysctl_parent [8]byte
	X_sysctl_desc   [8]byte
}

type Utsname struct {
	Sysname  [256]byte
	Nodename [256]byte
	Release  [256]byte
	Version  [256]byte
	Machine  [256]byte
}

const SizeofUvmexp = 0x278

type Uvmexp struct {

func byteSliceOverwriteBytes(m *mutator, b []byte) []byte {
	if len(b) <= 1 {
		return nil
	}
	src := m.rand(len(b))
	dst := m.rand(len(b))
	for dst == src {
		dst = m.rand(len(b))
	}
	n := m.chooseLen(len(b) - src - 1)
	copy(b[dst:], b[src:src+n])
	return b
}

// byteSliceBitFlip flips a random bit in a random byte in b.
func byteSliceBitFlip(m *mutator, b []byte) []byte {
	if len(b) == 0 {
		return nil
	}

	Ngroups int16
	Groups  [16]uint32
	_       *byte
}

type Linger struct {
	Onoff  int32
	Linger int32
}

type Iovec struct {
	Base *byte
	Len  uint32
}

type IPMreq struct {
	Multiaddr [4]byte /* in_addr */
	Interface [4]byte /* in_addr */
}

type IPMreqn struct {
	Multiaddr [4]byte /* in_addr */
	Address   [4]byte /* in_addr */
	Ifindex   int32
}

				}
				if bytes.Equal(b, []byte{0, 1, 2, 3, 4, 5}) || bytes.Equal(b, []byte{0, 4, 5}) {
					return fmt.Errorf("bad %v", e.Values[0])
				}
				return nil
			},
			input:    []any{[]byte{0, 1, 2, 3, 4, 5}},
			expected: []any{[]byte{0, 4, 5}},
		},
		{
			name: "non_ascii_bytes",
			fn: func(e CorpusEntry) error {
				b := e.Values[0].([]byte)
				if len(b) == 3 {
					return fmt.Errorf("bad %v", e.Values[0])
				}

type hkdfKDF struct {
	hash crypto.Hash
}

func (kdf *hkdfKDF) LabeledExtract(suiteID []byte, salt []byte, label string, inputKey []byte) []byte {
	labeledIKM := make([]byte, 0, 7+len(suiteID)+len(label)+len(inputKey))
	labeledIKM = append(labeledIKM, []byte("HPKE-v1")...)
	labeledIKM = append(labeledIKM, suiteID...)
	labeledIKM = append(labeledIKM, label...)

			},
			wantVal: true,
			wantOk:  true,
		},
		{
			name: "truetabs",
			fields: fields{
				value: []byte("\ttrue\t"),
			},
			wantVal: true,
			wantOk:  true,
		},
		{
			name: "TRUE",
			fields: fields{
				value: []byte("TRUE"),
			},
			wantVal: true,
			wantOk:  true,
		},
		{
			name: "FALSE",
			fields: fields{
				value: []byte("FALSE"),

    private static final byte FILE_VALUE = (byte) 8;
    private static final byte NULL_VALUE = (byte) 9;
    private static final byte SERIALIZED_VALUE = (byte) 10;
    private static final byte ENUM_VALUE = (byte) 11;
    private static final byte ISOLATED_MAP = (byte) 12;
    private static final byte ISOLATED_ARRAY = (byte) 13;
    private static final byte ISOLATED_LIST = (byte) 14;
    private static final byte ISOLATED_SET = (byte) 15;

		{map[string][]byte{".foo.example.com": []byte("bar")}, dns1123SubdomainErrorMsg},
		{map[string][]byte{"*.example.com": []byte("bar")}, dns1123SubdomainErrorMsg},
		{map[string][]byte{"*.bar.com": []byte("bar")}, dns1123SubdomainErrorMsg},
		{map[string][]byte{"*.foo.bar.com": []byte("bar")}, dns1123SubdomainErrorMsg},