Introduction - If you have any usage issues, please Google them yourself
Under Windows Socket Programming in Windows Socket network program needs to be achieved using Winsock network programming interfaces, an application by calling the Winsock API to achieve inter-communication. Winsock dynamic link library service is implemented as Winsock DLL, so you must first call the WSAStartup function to initialize Winsock, Winsock version negotiation support, allocation of necessary resources.