Description: a simple TCP client a process, the use of WSAStartup () initialization WinSock library. 2, the use of socket () to create a IPPROTO_TCP SOCKET. 3, the use of gethostbyname ()/gethostbyaddr () mainframe access information. 4, the use of connect (), and we create the socket connections server. 5, the use of send ()/recv () to send and receive data until we TCP end of the session. 6, the use of closesocket () closes socket connections. 7, the use of WSACleanup () release WinSock.
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