执行此函数后，您将不再能够从文件或套接字中读取任何信息。

You are no longer able to read from the file or socket after this function.

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这些文件的执行方法与原始套接字应用程序中的对应文件的执行方法完全一样。

These are executed exactly as their counterparts in the raw socket application.

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此套接字的文件描述符对象。

The file descriptor object for this socket.

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此套接字的文件描述符对象。

The file descriptor object for this socket.

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