server部分
1，Initialize Winsock. 2，Create a socket. 3，Bind the socket. 4，Listen on the socket for a client. 5，Accept a connection from a client. 6，Receive and send data. 7，Disconnect.
client部分
1，Initialize Winsock. 2，Create a socket. 3，Connect to the server. 4，Send and receive data. 5，Disconnect.
原文：https://www.cnblogs.com/a-s-m/p/12268228.html