1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>memchr_inv</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-memchr.html" title="memchr"><link rel="next" href="ch02s03.html" title="Bit Operations"></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">memchr_inv</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-memchr.html">Prev</a>&#160;</td><th width="60%" align="center">String Manipulation</th><td width="20%" align="right">&#160;<a accesskey="n" href="ch02s03.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-memchr-inv"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>memchr_inv &#8212; 
2     Find an unmatching character in an area of memory.
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">memchr_inv </b>(</code></td><td>const void * <var class="pdparam">start</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">c</var>, </td></tr><tr><td>&#160;</td><td>size_t <var class="pdparam">bytes</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1123072660"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>start</code></em></span></dt><dd><p>
4     The memory area
5    </p></dd><dt><span class="term"><em class="parameter"><code>c</code></em></span></dt><dd><p>
6     Find a character other than c
7    </p></dd><dt><span class="term"><em class="parameter"><code>bytes</code></em></span></dt><dd><p>
8     The size of the area.
9    </p></dd></dl></div></div><div class="refsect1"><a name="idp1123076180"></a><h2>Description</h2><p>
10   returns the address of the first character other than <em class="parameter"><code>c</code></em>, or <code class="constant">NULL</code>
11   if the whole buffer contains just <em class="parameter"><code>c</code></em>.
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