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<title>The C Preprocessor: Macro Pitfalls</title>

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<a name="Macro-Pitfalls-1"></a>
<h3 class="section">3.10 Macro Pitfalls</h3>
<a name="index-problems-with-macros"></a>
<a name="index-pitfalls-of-macros"></a>

<p>In this section we describe some special rules that apply to macros and
macro expansion, and point out certain cases in which the rules have
counter-intuitive consequences that you must watch out for.
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