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| 22 | <title>Macro Pitfalls (GNU C Language Manual)</title>
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| 31 | <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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| 32 | <link href="Macros.html" rel="up" title="Macros">
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| 33 | <link href="Misnesting.html" rel="next" title="Misnesting">
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| 57 | <body lang="en">
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| 58 | <span id="Macro-Pitfalls"></span><div class="header">
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| 59 | <p>
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| 60 | Previous: <a href="Directives-Within-Macro-Arguments.html" accesskey="p" rel="prev">Directives Within Macro Arguments</a>, Up: <a href="Macros.html" accesskey="u" rel="up">Macros</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Symbol-Index.html" title="Index" rel="index">Index</a>]</p>
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| 61 | </div>
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| 62 | <hr>
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| 63 | <span id="Macro-Pitfalls-1"></span><h4 class="subsection">26.5.10 Macro Pitfalls</h4>
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| 64 | <span id="index-problems-with-macros"></span>
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| 65 | <span id="index-pitfalls-of-macros"></span>
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| 66 |
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| 67 | <p>In this section we describe some special rules that apply to macros and
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| 68 | macro expansion, and point out certain cases in which the rules have
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| 69 | counter-intuitive consequences that you must watch out for.
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| 70 | </p>
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| 71 | <table class="menu" border="0" cellspacing="0">
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| 72 | <tr><td align="left" valign="top">• <a href="Misnesting.html" accesskey="1">Misnesting</a></td><td> </td><td align="left" valign="top">
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| 73 | </td></tr>
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| 74 | <tr><td align="left" valign="top">• <a href="Operator-Precedence-Problems.html" accesskey="2">Operator Precedence Problems</a></td><td> </td><td align="left" valign="top">
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| 75 | </td></tr>
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| 76 | <tr><td align="left" valign="top">• <a href="Swallowing-the-Semicolon.html" accesskey="3">Swallowing the Semicolon</a></td><td> </td><td align="left" valign="top">
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| 77 | </td></tr>
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| 78 | <tr><td align="left" valign="top">• <a href="Duplication-of-Side-Effects.html" accesskey="4">Duplication of Side Effects</a></td><td> </td><td align="left" valign="top">
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| 79 | </td></tr>
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| 80 | <tr><td align="left" valign="top">• <a href="Macros-and-Auto-Type.html" accesskey="5">Macros and Auto Type</a></td><td> </td><td align="left" valign="top">
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| 81 | </td></tr>
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| 82 | <tr><td align="left" valign="top">• <a href="Self_002dReferential-Macros.html" accesskey="6">Self-Referential Macros</a></td><td> </td><td align="left" valign="top">
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| 83 | </td></tr>
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| 84 | <tr><td align="left" valign="top">• <a href="Argument-Prescan.html" accesskey="7">Argument Prescan</a></td><td> </td><td align="left" valign="top">
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| 85 | </td></tr>
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| 86 | </table>
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| 87 |
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| 88 |
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| 89 |
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| 90 |
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| 91 | </body>
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| 92 | </html>
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