Content-type: text/html Ifnot Tag

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Ifnot Tag
Instructs the Compiler to interpret the surrounded lines only if all of the specified tokens have not been defined.

Example
<ifnot %DOS% %WINDOWS% %NT%>
<include unix.wg>
</ifnot>


Syntax
Tag pair only, must include one or more token names to evaluate.

Don't Get Confused!
Okay, ifnot is simply the converse if ifdef. Most C programmers will notice the simialrity to #ifndef in the C and C++ precompiler.

See Also
Define Tag
Ifdef Tag
Replace Tag
Undef Tag

Up To
Compiler Tags
Complete Tag Reference


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