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| 22 | <title>Null Statement (GNU C Language Manual)</title>
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| 58 | <span id="Null-Statement"></span><div class="header">
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| 59 | <p>
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| 60 | Next: <a href="goto-Statement.html" accesskey="n" rel="next">goto Statement</a>, Previous: <a href="Case-Ranges.html" accesskey="p" rel="prev">Case Ranges</a>, Up: <a href="Statements.html" accesskey="u" rel="up">Statements</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="Null-Statement-1"></span><h3 class="section">19.11 Null Statement</h3>
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| 64 | <span id="index-null-statement"></span>
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| 65 | <span id="index-statement_002c-null"></span>
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| 66 |
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| 67 | <p>A <em>null statement</em> is just a semicolon. It does nothing.
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| 68 | </p>
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| 69 | <p>A null statement is a placeholder for use where a statement is
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| 70 | grammatically required, but there is nothing to be done. For
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| 71 | instance, sometimes all the work of a <code>for</code>-loop is done in the
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| 72 | <code>for</code>-header itself, leaving no work for the body. Here is an
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| 73 | example that searches for the first newline in <code>array</code>:
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| 74 | </p>
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| 75 | <div class="example">
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| 76 | <pre class="example">for (p = array; *p != '\n'; p++)
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| 77 | ;
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| 78 | </pre></div>
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