1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>memmove</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="The Linux Kernel API"><link rel="up" href="ch02s02.html" title="String Manipulation"><link rel="prev" href="API-memcpy.html" title="memcpy"><link rel="next" href="API-memcmp.html" title="memcmp"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">memmove</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-memcpy.html">Prev</a>&#160;</td><th width="60%" align="center">String Manipulation</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-memcmp.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-memmove"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>memmove &#8212; 
2     Copy one area of memory to another
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">void * <b class="fsfunc">memmove </b>(</code></td><td>void * <var class="pdparam">dest</var>, </td></tr><tr><td>&#160;</td><td>const void * <var class="pdparam">src</var>, </td></tr><tr><td>&#160;</td><td>size_t <var class="pdparam">count</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1123017588"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dest</code></em></span></dt><dd><p>
4     Where to copy to
5    </p></dd><dt><span class="term"><em class="parameter"><code>src</code></em></span></dt><dd><p>
6     Where to copy from
7    </p></dd><dt><span class="term"><em class="parameter"><code>count</code></em></span></dt><dd><p>
8     The size of the area.
9    </p></dd></dl></div></div><div class="refsect1"><a name="idp1123021100"></a><h2>Description</h2><p>
10   Unlike <code class="function">memcpy</code>, <code class="function">memmove</code> copes with overlapping areas.
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