如果有类关闭了流，那么结果将会是文件资源的泄露(参见图3)。

If neither class closes the stream, the result will be a file resource leak. (See Figure 3.)

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将代理存档文件dynamicwsupdate . bar部署到运行时代理，然后在通过消息流运行消息前关闭工具包。

Deploy the broker archive file DynamicWSUpdate.bar to your runtime broker, and then close the toolkit before running messages through the message flow.

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freopen函数使用指定的流打开一个指定的文件，如果它已经打开拉，首先关闭它。

Thee freopen function opens a specified file on a specified stream, closing the stream first if it is already open.

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