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posix-flushall.md

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description title ms.date api_name api_location api_type topic_type f1_keywords helpviewer_keywords ms.assetid
Learn more about: flushall
flushall
12/16/2019
flushall
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flushall function
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flushall

The Microsoft-specific function name flushall is a deprecated alias for the _flushall function. By default, it generates Compiler warning (level 3) C4996. The name is deprecated because it doesn't follow the Standard C rules for implementation-specific names. However, the function is still supported.

We recommend you use _flushall instead. Or, you can continue to use this function name, and disable the warning. For more information, see Turn off the warning and POSIX function names.