|The C Preprocessor||www.imodulo.com · 2003-11-10|
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#else directive can be added to a conditional to provide alternative text to be used if the condition fails. This is what it looks like:
#if expressiontext-if-true #else /* Not expression */ text-if-false #endif /* Not expression */
If expression is nonzero, the text-if-true is included and the text-if-false is skipped. If expression is zero, the opposite happens.
You can use
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