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Next: <a href="strncasecmp.html#strncasecmp" accesskey="n" rel="next">strncasecmp</a>, Previous: <a href="strlen.html#strlen" accesskey="p" rel="prev">strlen</a>, Up: <a href="Strings.html#Strings" accesskey="u" rel="up">Strings</a> &nbsp; [<a href="Document-Index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Document-Index.html#Document-Index" title="Index" rel="index">Index</a>]</p>
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<a name="strlwr_002d_002d_002dforce-string-to-lowercase"></a>
<h3 class="section">5.30 <code>strlwr</code>&mdash;force string to lowercase</h3>
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<p><strong>Synopsis</strong>
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<pre class="example">#include &lt;string.h&gt;
char *strlwr(char *<var>a</var>);
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<p><strong>Description</strong><br>
<code>strlwr</code> converts each character in the string at <var>a</var> to
lowercase.
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<p><strong>Returns</strong><br>
<code>strlwr</code> returns its argument, <var>a</var>.
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<p><strong>Portability</strong><br>
<code>strlwr</code> is not widely portable.
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<p><code>strlwr</code> requires no supporting OS subroutines.
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