null-directive.md

title	ms.date	helpviewer_keywords	ms.assetid
Null directive	08/29/2019	preprocessor directives, Null null directive preprocessor directives preprocessor, directives	df59990f-b420-43f3-b415-5c25493abeee

Null directive

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

Syntax

#

See also

Preprocessor directives