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title Null Directive | Microsoft Docs
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ms.date 11/04/2016
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ms.technology
cpp-tools
ms.tgt_pltfrm
ms.topic article
dev_langs
C++
helpviewer_keywords
preprocessor directives, Null
null directive
preprocessor directives
preprocessor, directives
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author corob-msft
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manager ghogen
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Null Directive

The null preprocessor directive is a single number sign (#) alone on a line. It has no effect.

Syntax

  
#  
  

See Also

Preprocessor Directives