Winsock API: WSACleanup

最新推荐文章于 2024-09-20 21:34:22 发布

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最新推荐文章于 2024-09-20 21:34:22 发布

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本文详细介绍了WSACleanup函数的功能及使用方法。该函数用于终止应用程序或动态链接库（DLL）对Winsock2 DLL（Ws2_32.dll）的使用，并释放所有相关资源。当应用程序完成对Windows套接字服务的使用后，必须调用此函数进行注销。

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参考：http://msdn.microsoft.com/en-us/library/windows/desktop/ms741549(v=vs.85).aspx

The WSACleanup function terminates use of the Winsock 2 DLL (Ws2_32.dll).

Syntax

int WSACleanup(void);

Parameters

This function has no parameters.

Return value

The return value is zero if the operation was successful. Otherwise, the value SOCKET_ERROR is returned, and a specific error number can be retrieved by calling WSAGetLastError.

Remarks

An application or DLL is required to perform a successful WSAStartup call before it can use Windows Sockets services. When it has completed the use of Windows Sockets, the application or DLL must call WSACleanup to deregister itself from a Windows Sockets implementation and allow the implementation to free any resources allocated on behalf of the application or DLL.

terminate －简明英汉词典

D.J.[ˈtə:mineit]
vt. & vi. 结束; 使终结