public int getRcvBufSize() { m_iRcvBufSize = m_iSocket.ReceiveBufferSize; //socklen_t size = sizeof(socklen_t); //getsockopt(m_iSocket, SOL_SOCKET, SO_RCVBUF, (char *)&m_iRcvBufSize, &size); return m_iRcvBufSize; }