public static extern int bind(IntPtr s, ref sockaddr_in addr, int addrsize);

    public static extern int bind(IntPtr s, ref sockaddr_in6 addr, int addrsize);

        ByRef socketAddress As sockaddr_in, _

    sockaddr_in remoteAddress;            //Remote address structure.

            remoteAddress = new sockaddr_in();

    public static extern int connect(IntPtr s, ref sockaddr_in addr, int addrsize);

    public static extern int connect(IntPtr s, ref sockaddr_in6 addr, int addrsize);

    public static extern uint WSAAddressToString(ref sockaddr_in lpsaAddress, int dwAddressLength, IntPtr lpProtocolInfo,

    public static extern uint WSAAddressToString(ref  sockaddr_in6 lpsaAddress, int dwAddressLength, IntPtr lpProtocolInfo,

                      ref sockaddr_in6    pAddr,

        internal sockaddr_in SockaddrIn

            return (sockaddr_in) Marshal.PtrToStructure(

            typeof (sockaddr_in));

        internal sockaddr_in6 SockaddrIn6

            return (sockaddr_in6) Marshal.PtrToStructure(

            typeof (sockaddr_in6));

sockaddr_in

sockaddr_in6

    internal struct sockaddr_in6_old

Structure sockaddr_in6_old

        //internal sockaddr_in AddressIn;

        [FieldOffset(0)] internal sockaddr_in6_old AddressIn6;

sockaddr_in6_old

    internal struct sockaddr_in6

        internal static sockaddr_in6 FromString(string host, int port)

        var sockaddr = new sockaddr_in6();

    internal struct sockaddr_in6_UNSAFE

        internal static sockaddr_in6 FromString(string host, int port)

        var sockaddr = new sockaddr_in6();

Structure sockaddr_in6

    internal struct sockaddr_in6

        internal static sockaddr_in6 FromString(string host, int port)

        var sockaddr = new sockaddr_in6();

    internal struct sockaddr_in6_UNSAFE

        internal static sockaddr_in6 FromString(string host, int port)

        var sockaddr = new sockaddr_in6();

Structure sockaddr_in6