Function IsSocketIPv4

engine/dlib/src/dlib/socket_win32.cpp:196–210

    }

    bool IsSocketIPv4(Socket socket)
    {
        WSAPROTOCOL_INFO ss = { 0 };
        socklen_t        sslen = sizeof(ss);
        int              result = getsockopt(socket, SOL_SOCKET, SO_PROTOCOL_INFO, (char*)&ss, (int*)&sslen);
        if (result == 0)
        {
            return ss.iAddressFamily == AF_INET;
        }
        dmLogError("Failed to retrieve address family (%d): %s",
                   NATIVETORESULT(DM_SOCKET_ERRNO),
                   ResultToString(NATIVETORESULT(DM_SOCKET_ERRNO)));

        return false;
    }

    bool IsSocketIPv6(Socket socket)
    {