文件名称:nettime
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C自动与Internet时间服务器同步更新，自己整理出这样的个函数，自己看源码，根据自己的需要可以适当修改源码：
-C automatically synchronized with Internet time server, their own sort out such a function, to look up source code, according to their needs may be appropriately modified source code:
-C automatically synchronized with Internet time server, their own sort out such a function, to look up source code, according to their needs may be appropriately modified source code:
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nettime.c