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<title>io</title>
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<h1>
<a name="XMLSEC-IO"></a>io</h1>
<div class="REFNAMEDIV">
<a name="AEN6257"></a><h2>Name</h2>io -- Input/output support.</div>
<div class="REFSYNOPSISDIV">
<a name="XMLSEC-IO.SYNOPSIS"></a><h2>Synopsis</h2>
<pre class="SYNOPSIS"><gtkdoclink href="INT"><span class="RETURNVALUE">int</span></gtkdoclink><a href="xmlsec-io.html#XMLSECIOINIT">xmlSecIOInit</a> (<code class="PARAMETER"><span class="TYPE">void</span></code>);
<gtkdoclink href="VOID"><span class="RETURNVALUE">void</span></gtkdoclink><a href="xmlsec-io.html#XMLSECIOSHUTDOWN">xmlSecIOShutdown</a> (<code class="PARAMETER"><span class="TYPE">void</span></code>);
<gtkdoclink href="VOID"><span class="RETURNVALUE">void</span></gtkdoclink><a href="xmlsec-io.html#XMLSECIOCLEANUPCALLBACKS">xmlSecIOCleanupCallbacks</a> (<code class="PARAMETER"><span class="TYPE">void</span></code>);
<gtkdoclink href="INT"><span class="RETURNVALUE">int</span></gtkdoclink><a href="xmlsec-io.html#XMLSECIOREGISTERDEFAULTCALLBACKS">xmlSecIORegisterDefaultCallbacks</a> (<code class="PARAMETER"><span class="TYPE">void</span></code>);
<gtkdoclink href="INT"><span class="RETURNVALUE">int</span></gtkdoclink><a href="xmlsec-io.html#XMLSECIOREGISTERCALLBACKS">xmlSecIORegisterCallbacks</a> (<code class="PARAMETER"><gtkdoclink href="XMLINPUTMATCHCALLBACK"><span class="TYPE">xmlInputMatchCallback</span></gtkdoclink> matchFunc</code>,
<code class="PARAMETER"><gtkdoclink href="XMLINPUTOPENCALLBACK"><span class="TYPE">xmlInputOpenCallback</span></gtkdoclink> openFunc</code>,
<code class="PARAMETER"><gtkdoclink href="XMLINPUTREADCALLBACK"><span class="TYPE">xmlInputReadCallback</span></gtkdoclink> readFunc</code>,
<code class="PARAMETER"><gtkdoclink href="XMLINPUTCLOSECALLBACK"><span class="TYPE">xmlInputCloseCallback</span></gtkdoclink> closeFunc</code>);
#define <a href="xmlsec-io.html#XMLSECTRANSFORMINPUTURIID">xmlSecTransformInputURIId</a>
<gtkdoclink href="XMLSECTRANSFORMID"><span class="RETURNVALUE">xmlSecTransformId</span></gtkdoclink><a href="xmlsec-io.html#XMLSECTRANSFORMINPUTURIGETKLASS">xmlSecTransformInputURIGetKlass</a> (<code class="PARAMETER"><span class="TYPE">void</span></code>);
<gtkdoclink href="INT"><span class="RETURNVALUE">int</span></gtkdoclink><a href="xmlsec-io.html#XMLSECTRANSFORMINPUTURIOPEN">xmlSecTransformInputURIOpen</a> (<code class="PARAMETER"><a href="xmlsec-transforms.html#XMLSECTRANSFORM"><span class="TYPE">xmlSecTransformPtr</span></a> transform</code>,
<code class="PARAMETER">const <gtkdoclink href="XMLCHAR"><span class="TYPE">xmlChar</span></gtkdoclink> *uri</code>);</pre>
</div>
<div class="REFSECT1">
<a name="XMLSEC-IO.DESCRIPTION"></a><h2>Description</h2>
<p>Input/output support.</p>
</div>
<div class="REFSECT1">
<a name="XMLSEC-IO.DETAILS"></a><h2>Details</h2>
<div class="REFSECT2">
<a name="XMLSECIOINIT"></a><h3>xmlSecIOInit ()</h3>
<pre class="PROGRAMLISTING"><gtkdoclink href="INT"><span class="RETURNVALUE">int</span></gtkdoclink> xmlSecIOInit (<code class="PARAMETER"><span class="TYPE">void</span></code>);</pre>
<p>The IO initialization (called from <a href="xmlsec-xmlsec.html#XMLSECINIT"><span class="TYPE">xmlSecInit</span></a> function).
Applications should not call this function directly.</p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody><tr>
<td align="LEFT" valign="TOP"><a name="AEN6331"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> 0 on success or a negative value otherwise.</p></td>
</tr></tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECIOSHUTDOWN"></a><h3>xmlSecIOShutdown ()</h3>
<pre class="PROGRAMLISTING"><gtkdoclink href="VOID"><span class="RETURNVALUE">void</span></gtkdoclink> xmlSecIOShutdown (<code class="PARAMETER"><span class="TYPE">void</span></code>);</pre>
<p>The IO clenaup (called from <a href="xmlsec-xmlsec.html#XMLSECSHUTDOWN"><span class="TYPE">xmlSecShutdown</span></a> function).
Applications should not call this function directly.</p>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECIOCLEANUPCALLBACKS"></a><h3>xmlSecIOCleanupCallbacks ()</h3>
<pre class="PROGRAMLISTING"><gtkdoclink href="VOID"><span class="RETURNVALUE">void</span></gtkdoclink> xmlSecIOCleanupCallbacks (<code class="PARAMETER"><span class="TYPE">void</span></code>);</pre>
<p>Clears the entire input callback table. this includes the
compiled-in I/O.</p>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECIOREGISTERDEFAULTCALLBACKS"></a><h3>xmlSecIORegisterDefaultCallbacks ()</h3>
<pre class="PROGRAMLISTING"><gtkdoclink href="INT"><span class="RETURNVALUE">int</span></gtkdoclink> xmlSecIORegisterDefaultCallbacks (<code class="PARAMETER"><span class="TYPE">void</span></code>);</pre>
<p>Registers the default compiled-in I/O handlers.</p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody><tr>
<td align="LEFT" valign="TOP"><a name="AEN6369"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> 0 on success or a negative value otherwise.</p></td>
</tr></tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECIOREGISTERCALLBACKS"></a><h3>xmlSecIORegisterCallbacks ()</h3>
<pre class="PROGRAMLISTING"><gtkdoclink href="INT"><span class="RETURNVALUE">int</span></gtkdoclink> xmlSecIORegisterCallbacks (<code class="PARAMETER"><gtkdoclink href="XMLINPUTMATCHCALLBACK"><span class="TYPE">xmlInputMatchCallback</span></gtkdoclink> matchFunc</code>,
<code class="PARAMETER"><gtkdoclink href="XMLINPUTOPENCALLBACK"><span class="TYPE">xmlInputOpenCallback</span></gtkdoclink> openFunc</code>,
<code class="PARAMETER"><gtkdoclink href="XMLINPUTREADCALLBACK"><span class="TYPE">xmlInputReadCallback</span></gtkdoclink> readFunc</code>,
<code class="PARAMETER"><gtkdoclink href="XMLINPUTCLOSECALLBACK"><span class="TYPE">xmlInputCloseCallback</span></gtkdoclink> closeFunc</code>);</pre>
<p>Register a new set of I/O callback for handling parser input.</p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN6395"><span style="white-space: nowrap"><code class="PARAMETER">matchFunc</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>the protocol match callback.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN6400"><span style="white-space: nowrap"><code class="PARAMETER">openFunc</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>the open stream callback.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN6405"><span style="white-space: nowrap"><code class="PARAMETER">readFunc</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>the read from stream callback.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN6410"><span style="white-space: nowrap"><code class="PARAMETER">closeFunc</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>the close stream callback.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN6415"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the 0 on success or a negative value if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECTRANSFORMINPUTURIID"></a><h3>xmlSecTransformInputURIId</h3>
<pre class="PROGRAMLISTING">#define xmlSecTransformInputURIId</pre>
<p>The Input URI transform id.</p>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECTRANSFORMINPUTURIGETKLASS"></a><h3>xmlSecTransformInputURIGetKlass ()</h3>
<pre class="PROGRAMLISTING"><gtkdoclink href="XMLSECTRANSFORMID"><span class="RETURNVALUE">xmlSecTransformId</span></gtkdoclink> xmlSecTransformInputURIGetKlass (<code class="PARAMETER"><span class="TYPE">void</span></code>);</pre>
<p>The input uri transform klass. Reads binary data from an uri.</p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody><tr>
<td align="LEFT" valign="TOP"><a name="AEN6437"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> input URI transform id.</p></td>
</tr></tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECTRANSFORMINPUTURIOPEN"></a><h3>xmlSecTransformInputURIOpen ()</h3>
<pre class="PROGRAMLISTING"><gtkdoclink href="INT"><span class="RETURNVALUE">int</span></gtkdoclink> xmlSecTransformInputURIOpen (<code class="PARAMETER"><a href="xmlsec-transforms.html#XMLSECTRANSFORM"><span class="TYPE">xmlSecTransformPtr</span></a> transform</code>,
<code class="PARAMETER">const <gtkdoclink href="XMLCHAR"><span class="TYPE">xmlChar</span></gtkdoclink> *uri</code>);</pre>
<p>Opens the given <code class="PARAMETER">uri</code> for reading.</p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN6458"><span style="white-space: nowrap"><code class="PARAMETER">transform</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>the pointer to IO transform.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN6463"><span style="white-space: nowrap"><code class="PARAMETER">uri</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>the URL to open.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN6468"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> 0 on success or a negative value otherwise.</p></td>
</tr>
</tbody></table>
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