1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>parport_open</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="parportdev.html" title="Chapter&#160;3.&#160;Parallel Port Devices"><link rel="prev" href="API-parport-release.html" title="parport_release"><link rel="next" href="API-parport-close.html" title="parport_close"></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">parport_open</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-parport-release.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;3.&#160;Parallel Port Devices</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-parport-close.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-parport-open"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>parport_open &#8212; 
2  find a device by canonical device number
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">struct pardevice * <b class="fsfunc">parport_open </b>(</code></td><td>int <var class="pdparam">devnum</var>, </td></tr><tr><td>&#160;</td><td>const char * <var class="pdparam">name</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1111116188"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>devnum</code></em></span></dt><dd><p>
4     canonical device number
5    </p></dd><dt><span class="term"><em class="parameter"><code>name</code></em></span></dt><dd><p>
6     name to associate with the device
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1111118844"></a><h2>Description</h2><p>
8   This function is similar to <code class="function">parport_register_device</code>, except
9   that it locates a device by its number rather than by the port
10   it is attached to.
11   </p><p>
12
13   All parameters except for <em class="parameter"><code>devnum</code></em> are the same as for
14   <code class="function">parport_register_device</code>.  The return value is the same as
15   for <code class="function">parport_register_device</code>.
16</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-parport-release.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="parportdev.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-parport-close.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">parport_release</span>&#160;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&#160;<span class="phrase">parport_close</span></td></tr></table></div></body></html>
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