1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>crc_ccitt</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="crc.html" title="CRC Functions"><link rel="prev" href="re138.html" title=".//lib/crc32.c"><link rel="next" href="idr.html" title="idr/ida Functions"></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">crc_ccitt</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re138.html">Prev</a>&#160;</td><th width="60%" align="center">CRC Functions</th><td width="20%" align="right">&#160;<a accesskey="n" href="idr.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-crc-ccitt"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>crc_ccitt &#8212; 
2  recompute the CRC for the data buffer
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">u16 <b class="fsfunc">crc_ccitt </b>(</code></td><td>u16 <var class="pdparam">crc</var>, </td></tr><tr><td>&#160;</td><td>u8 const * <var class="pdparam">buffer</var>, </td></tr><tr><td>&#160;</td><td>size_t <var class="pdparam">len</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1123554212"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>crc</code></em></span></dt><dd><p>
4     previous CRC value
5    </p></dd><dt><span class="term"><em class="parameter"><code>buffer</code></em></span></dt><dd><p>
6     data pointer
7    </p></dd><dt><span class="term"><em class="parameter"><code>len</code></em></span></dt><dd><p>
8     number of bytes in the buffer
9    </p></dd></dl></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re138.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="crc.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="idr.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">
10   .//lib/crc32.c
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