inet_addr WSAStartup WSACleanup WSASetLastError WSAGetLastError htonl ntohl htons ntohs r_EnumProtocolsA r_EnumProtocolsW r_WSARecvEx r_bind r_closesocket r_getsockname r_getsockopt r_recv r_recvfrom r_sendto r_setsockopt r_shutdown r_socket