    [StructLayout(LayoutKind.Explicit, Size = 16)]
    public struct in6_addr
    {
        [FieldOffset(0)]
        public byte Byte_0;
        [FieldOffset(1)]
        public byte Byte_1;
        [FieldOffset(2)]
        public byte Byte_2;
        [FieldOffset(3)]
        public byte Byte_3;

        [FieldOffset(4)]
        public byte Byte_4;
        [FieldOffset(5)]
        public byte Byte_5;
        [FieldOffset(6)]
        public byte Byte_6;
        [FieldOffset(7)]
        public byte Byte_7;

        [FieldOffset(8)]
        public byte Byte_8;
        [FieldOffset(9)]
        public byte Byte_9;
        [FieldOffset(10)]
        public byte Byte_10;
        [FieldOffset(11)]
        public byte Byte_11;

        [FieldOffset(12)]
        public byte Byte_12;
        [FieldOffset(13)]
        public byte Byte_13;
        [FieldOffset(14)]
        public byte Byte_14;
        [FieldOffset(15)]
        public byte Byte_16;

        [FieldOffset(0)]
        public short Word_0;
        [FieldOffset(2)]
        public short Word_1;
        [FieldOffset(4)]
        public short Word_2;
        [FieldOffset(6)]
        public short Word_3;

        [FieldOffset(8)]
        public short Word_4;
        [FieldOffset(10)]
        public short Word_5;
        [FieldOffset(12)]
        public short Word_6;
        [FieldOffset(14)]
        public short Word_7;
    }
    [StructLayout(LayoutKind.Explicit, Size = 28)]
    public struct sockaddr_in6
    {
        [FieldOffset(0)]
        public ADDRESS_FAMILIES sin6_family;

        [FieldOffset(2)]
        public ushort sin6_port;

        [FieldOffset(4)]
        public uint sin6_flowinfo;

        [FieldOffset(8)]
        public in6_addr sin6_addr;

        [FieldOffset(24)]
        public uint sin6_scope_id;
    }