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<div id="projectname">libnl <span id="projectnumber">1.1</span></div>
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<a href="#groups">Modules</a> </div>
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<h1>Classifiers</h1> </div>
<div class="ingroups"><a class="el" href="group__tc.html">Traffic Control</a></div></div>
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Modules</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cls__api.html">Classifier Modules</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cls__obj.html">Classifier Object</a></td></tr>
<tr><td colspan="2"><h2><a name="member-group"></a>
Classifier Addition/Modification/Deletion</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct nl_msg * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cls.html#ga17688ff077ad56f9f4844a2462197e25">rtnl_cls_build_add_request</a> (struct rtnl_cls *cls, int flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Build a netlink message to add a new classifier. <a href="#ga17688ff077ad56f9f4844a2462197e25"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cls.html#gaaab27ed49b8a963959560e0fc18c9bfb">rtnl_cls_add</a> (struct nl_handle *handle, struct rtnl_cls *cls, int flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add a new classifier. <a href="#gaaab27ed49b8a963959560e0fc18c9bfb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct nl_msg * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cls.html#ga5336b8905fbac0950aebc65873b5a1fa">rtnl_cls_build_change_request</a> (struct rtnl_cls *cls, int flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Build a netlink message to change classifier attributes. <a href="#ga5336b8905fbac0950aebc65873b5a1fa"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cls.html#ga8a976d764e10be75d3521a1dac4db16b">rtnl_cls_change</a> (struct nl_handle *handle, struct rtnl_cls *cls, int flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Change a classifier. <a href="#ga8a976d764e10be75d3521a1dac4db16b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct nl_msg * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cls.html#ga1845d413ecb99e01f9a961998a0e2a0d">rtnl_cls_build_delete_request</a> (struct rtnl_cls *cls, int flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Build a netlink request message to delete a classifier. <a href="#ga1845d413ecb99e01f9a961998a0e2a0d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cls.html#gaec185185471f89fe3aeee449edd86b63">rtnl_cls_delete</a> (struct nl_handle *handle, struct rtnl_cls *cls, int flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Delete a classifier. <a href="#gaec185185471f89fe3aeee449edd86b63"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="member-group"></a>
Cache Management</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct nl_cache * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cls.html#ga626b768f7f4d6052c45d9603f86f16cf">rtnl_cls_alloc_cache</a> (struct nl_handle *handle, int ifindex, uint32_t parent)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Build a classifier cache including all classifiers attached to the specified class/qdisc on eht specified interface. <a href="#ga626b768f7f4d6052c45d9603f86f16cf"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<dl class="user"><dt><b>Classifier Identification</b></dt><dd><ul>
<li>protocol</li>
<li>priority</li>
<li>parent</li>
<li>interface</li>
<li>kind</li>
<li>handle </li>
</ul>
</dd></dl>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ga17688ff077ad56f9f4844a2462197e25"></a><!-- doxytag: member="classifier.c::rtnl_cls_build_add_request" ref="ga17688ff077ad56f9f4844a2462197e25" args="(struct rtnl_cls *cls, int flags)" -->
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<td class="memname">struct nl_msg* rtnl_cls_build_add_request </td>
<td>(</td>
<td class="paramtype">struct rtnl_cls * </td>
<td class="paramname"><em>cls</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [read]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">cls</td><td>classifier to add </td></tr>
<tr><td class="paramname">flags</td><td>additional netlink message flags</td></tr>
</table>
</dd>
</dl>
<p>Builds a new netlink message requesting an addition of a classifier The netlink message header isn't fully equipped with all relevant fields and must be sent out via <a class="el" href="group__nl.html#ga01a2aad82350f867e704d5c696438b60" title="Send netlink message and check & extend header values as needed.">nl_send_auto_complete()</a> or supplemented as needed. <em>classifier</em> must contain the attributes of the new classifier set via <code>rtnl_cls_set_*</code> functions. <em>opts</em> may point to the clsasifier specific options.</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>New netlink message </dd></dl>
<p>Definition at line <a class="el" href="classifier_8c_source.html#l00145">145</a> of file <a class="el" href="classifier_8c_source.html">classifier.c</a>.</p>
<p>References <a class="el" href="netlink-kernel_8h_source.html#l00134">NLM_F_CREATE</a>.</p>
<p>Referenced by <a class="el" href="classifier_8c_source.html#l00162">rtnl_cls_add()</a>.</p>
<div class="fragment"><pre class="fragment">{
<span class="keywordflow">return</span> cls_build(cls, RTM_NEWTFILTER, <a class="code" href="group__msg.html#ga20a00ae52e4c150f54649d7346d23a7a" title="Create config object if it doesn&#39;t already exist.">NLM_F_CREATE</a> | flags);
}
</pre></div>
</div>
</div>
<a class="anchor" id="gaaab27ed49b8a963959560e0fc18c9bfb"></a><!-- doxytag: member="classifier.c::rtnl_cls_add" ref="gaaab27ed49b8a963959560e0fc18c9bfb" args="(struct nl_handle *handle, struct rtnl_cls *cls, int flags)" -->
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<td class="memname">int rtnl_cls_add </td>
<td>(</td>
<td class="paramtype">struct nl_handle * </td>
<td class="paramname"><em>handle</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct rtnl_cls * </td>
<td class="paramname"><em>cls</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">handle</td><td>netlink handle </td></tr>
<tr><td class="paramname">cls</td><td>classifier to add </td></tr>
<tr><td class="paramname">flags</td><td>additional netlink message flags</td></tr>
</table>
</dd>
</dl>
<p>Builds a netlink message by calling <a class="el" href="group__cls.html#ga17688ff077ad56f9f4844a2462197e25" title="Build a netlink message to add a new classifier.">rtnl_cls_build_add_request()</a>, sends the request to the kernel and waits for the next ACK to be received and thus blocks until the request has been processed.</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on sucess or a negative error if an error occured. </dd></dl>
<p>Definition at line <a class="el" href="classifier_8c_source.html#l00162">162</a> of file <a class="el" href="classifier_8c_source.html">classifier.c</a>.</p>
<p>References <a class="el" href="nl_8c_source.html#l00373">nl_send_auto_complete()</a>, <a class="el" href="nl_8c_source.html#l00800">nl_wait_for_ack()</a>, <a class="el" href="msg_8c_source.html#l00656">nlmsg_free()</a>, and <a class="el" href="classifier_8c_source.html#l00145">rtnl_cls_build_add_request()</a>.</p>
<div class="fragment"><pre class="fragment">{
<span class="keywordtype">int</span> err;
<span class="keyword">struct </span>nl_msg *msg;
msg = <a class="code" href="group__cls.html#ga17688ff077ad56f9f4844a2462197e25" title="Build a netlink message to add a new classifier.">rtnl_cls_build_add_request</a>(cls, flags);
<span class="keywordflow">if</span> (!msg)
<span class="keywordflow">return</span> nl_errno(ENOMEM);
err = <a class="code" href="group__nl.html#ga01a2aad82350f867e704d5c696438b60" title="Send netlink message and check &amp; extend header values as needed.">nl_send_auto_complete</a>(handle, msg);
<span class="keywordflow">if</span> (err < 0)
<span class="keywordflow">return</span> err;
<a class="code" href="group__msg.html#ga138ba9bee70553f9fbe7143deacad48c" title="Free a netlink message.">nlmsg_free</a>(msg);
<span class="keywordflow">return</span> <a class="code" href="group__nl.html#gaa65fec588e0a0a2de1881fb8366ccd79" title="Wait for ACK.">nl_wait_for_ack</a>(handle);
}
</pre></div>
</div>
</div>
<a class="anchor" id="ga5336b8905fbac0950aebc65873b5a1fa"></a><!-- doxytag: member="classifier.c::rtnl_cls_build_change_request" ref="ga5336b8905fbac0950aebc65873b5a1fa" args="(struct rtnl_cls *cls, int flags)" -->
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<td class="memname">struct nl_msg* rtnl_cls_build_change_request </td>
<td>(</td>
<td class="paramtype">struct rtnl_cls * </td>
<td class="paramname"><em>cls</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [read]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">cls</td><td>classifier to change </td></tr>
<tr><td class="paramname">flags</td><td>additional netlink message flags</td></tr>
</table>
</dd>
</dl>
<p>Builds a new netlink message requesting a change of a neigh attributes. The netlink message header isn't fully equipped with all relevant fields and must thus be sent out via <a class="el" href="group__nl.html#ga01a2aad82350f867e704d5c696438b60" title="Send netlink message and check & extend header values as needed.">nl_send_auto_complete()</a> or supplemented as needed.</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>The netlink message </dd></dl>
<p>Definition at line <a class="el" href="classifier_8c_source.html#l00191">191</a> of file <a class="el" href="classifier_8c_source.html">classifier.c</a>.</p>
<p>References <a class="el" href="netlink-kernel_8h_source.html#l00124">NLM_F_REPLACE</a>.</p>
<p>Referenced by <a class="el" href="classifier_8c_source.html#l00208">rtnl_cls_change()</a>.</p>
<div class="fragment"><pre class="fragment">{
<span class="keywordflow">return</span> cls_build(cls, RTM_NEWTFILTER, <a class="code" href="group__msg.html#ga508feb1b826c0b8f6b2487c682ddb734" title="Replace existing matching config object with this request.">NLM_F_REPLACE</a> | flags);
}
</pre></div>
</div>
</div>
<a class="anchor" id="ga8a976d764e10be75d3521a1dac4db16b"></a><!-- doxytag: member="classifier.c::rtnl_cls_change" ref="ga8a976d764e10be75d3521a1dac4db16b" args="(struct nl_handle *handle, struct rtnl_cls *cls, int flags)" -->
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<td class="memname">int rtnl_cls_change </td>
<td>(</td>
<td class="paramtype">struct nl_handle * </td>
<td class="paramname"><em>handle</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct rtnl_cls * </td>
<td class="paramname"><em>cls</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">handle</td><td>netlink handle </td></tr>
<tr><td class="paramname">cls</td><td>classifier to change </td></tr>
<tr><td class="paramname">flags</td><td>additional netlink message flags</td></tr>
</table>
</dd>
</dl>
<p>Builds a netlink message by calling <a class="el" href="group__cls.html#ga5336b8905fbac0950aebc65873b5a1fa" title="Build a netlink message to change classifier attributes.">rtnl_cls_build_change_request()</a>, sends the request to the kernel and waits for the next ACK to be received and thus blocks until the request has been processed.</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on sucess or a negative error if an error occured. </dd></dl>
<p>Definition at line <a class="el" href="classifier_8c_source.html#l00208">208</a> of file <a class="el" href="classifier_8c_source.html">classifier.c</a>.</p>
<p>References <a class="el" href="nl_8c_source.html#l00373">nl_send_auto_complete()</a>, <a class="el" href="nl_8c_source.html#l00800">nl_wait_for_ack()</a>, <a class="el" href="msg_8c_source.html#l00656">nlmsg_free()</a>, and <a class="el" href="classifier_8c_source.html#l00191">rtnl_cls_build_change_request()</a>.</p>
<div class="fragment"><pre class="fragment">{
<span class="keywordtype">int</span> err;
<span class="keyword">struct </span>nl_msg *msg;
msg = <a class="code" href="group__cls.html#ga5336b8905fbac0950aebc65873b5a1fa" title="Build a netlink message to change classifier attributes.">rtnl_cls_build_change_request</a>(cls, flags);
<span class="keywordflow">if</span> (!msg)
<span class="keywordflow">return</span> nl_errno(ENOMEM);
err = <a class="code" href="group__nl.html#ga01a2aad82350f867e704d5c696438b60" title="Send netlink message and check &amp; extend header values as needed.">nl_send_auto_complete</a>(handle, msg);
<span class="keywordflow">if</span> (err < 0)
<span class="keywordflow">return</span> err;
<a class="code" href="group__msg.html#ga138ba9bee70553f9fbe7143deacad48c" title="Free a netlink message.">nlmsg_free</a>(msg);
<span class="keywordflow">return</span> <a class="code" href="group__nl.html#gaa65fec588e0a0a2de1881fb8366ccd79" title="Wait for ACK.">nl_wait_for_ack</a>(handle);
}
</pre></div>
</div>
</div>
<a class="anchor" id="ga1845d413ecb99e01f9a961998a0e2a0d"></a><!-- doxytag: member="classifier.c::rtnl_cls_build_delete_request" ref="ga1845d413ecb99e01f9a961998a0e2a0d" args="(struct rtnl_cls *cls, int flags)" -->
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<td class="memname">struct nl_msg* rtnl_cls_build_delete_request </td>
<td>(</td>
<td class="paramtype">struct rtnl_cls * </td>
<td class="paramname"><em>cls</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [read]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">cls</td><td>classifier to delete </td></tr>
<tr><td class="paramname">flags</td><td>additional netlink message flags</td></tr>
</table>
</dd>
</dl>
<p>Builds a new netlink message requesting a deletion of a classifier. The netlink message header isn't fully equipped with all relevant fields and must thus be sent out via <a class="el" href="group__nl.html#ga01a2aad82350f867e704d5c696438b60" title="Send netlink message and check & extend header values as needed.">nl_send_auto_complete()</a> or supplemented as needed.</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>New netlink message </dd></dl>
<p>Definition at line <a class="el" href="classifier_8c_source.html#l00238">238</a> of file <a class="el" href="classifier_8c_source.html">classifier.c</a>.</p>
<p>Referenced by <a class="el" href="classifier_8c_source.html#l00256">rtnl_cls_delete()</a>.</p>
<div class="fragment"><pre class="fragment">{
<span class="keywordflow">return</span> cls_build(cls, RTM_DELTFILTER, flags);
}
</pre></div>
</div>
</div>
<a class="anchor" id="gaec185185471f89fe3aeee449edd86b63"></a><!-- doxytag: member="classifier.c::rtnl_cls_delete" ref="gaec185185471f89fe3aeee449edd86b63" args="(struct nl_handle *handle, struct rtnl_cls *cls, int flags)" -->
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<td class="memname">int rtnl_cls_delete </td>
<td>(</td>
<td class="paramtype">struct nl_handle * </td>
<td class="paramname"><em>handle</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct rtnl_cls * </td>
<td class="paramname"><em>cls</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">handle</td><td>netlink handle </td></tr>
<tr><td class="paramname">cls</td><td>classifier to delete </td></tr>
<tr><td class="paramname">flags</td><td>additional netlink message flags</td></tr>
</table>
</dd>
</dl>
<p>Builds a netlink message by calling <a class="el" href="group__cls.html#ga1845d413ecb99e01f9a961998a0e2a0d" title="Build a netlink request message to delete a classifier.">rtnl_cls_build_delete_request()</a>, sends the request to the kernel and waits for the next ACK to be received and thus blocks until the request has been processed.</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on sucess or a negative error if an error occured. </dd></dl>
<p>Definition at line <a class="el" href="classifier_8c_source.html#l00256">256</a> of file <a class="el" href="classifier_8c_source.html">classifier.c</a>.</p>
<p>References <a class="el" href="nl_8c_source.html#l00373">nl_send_auto_complete()</a>, <a class="el" href="nl_8c_source.html#l00800">nl_wait_for_ack()</a>, <a class="el" href="msg_8c_source.html#l00656">nlmsg_free()</a>, and <a class="el" href="classifier_8c_source.html#l00238">rtnl_cls_build_delete_request()</a>.</p>
<div class="fragment"><pre class="fragment">{
<span class="keywordtype">int</span> err;
<span class="keyword">struct </span>nl_msg *msg;
msg = <a class="code" href="group__cls.html#ga1845d413ecb99e01f9a961998a0e2a0d" title="Build a netlink request message to delete a classifier.">rtnl_cls_build_delete_request</a>(cls, flags);
<span class="keywordflow">if</span> (!msg)
<span class="keywordflow">return</span> nl_errno(ENOMEM);
err = <a class="code" href="group__nl.html#ga01a2aad82350f867e704d5c696438b60" title="Send netlink message and check &amp; extend header values as needed.">nl_send_auto_complete</a>(handle, msg);
<span class="keywordflow">if</span> (err < 0)
<span class="keywordflow">return</span> err;
<a class="code" href="group__msg.html#ga138ba9bee70553f9fbe7143deacad48c" title="Free a netlink message.">nlmsg_free</a>(msg);
<span class="keywordflow">return</span> <a class="code" href="group__nl.html#gaa65fec588e0a0a2de1881fb8366ccd79" title="Wait for ACK.">nl_wait_for_ack</a>(handle);
}
</pre></div>
</div>
</div>
<a class="anchor" id="ga626b768f7f4d6052c45d9603f86f16cf"></a><!-- doxytag: member="classifier.c::rtnl_cls_alloc_cache" ref="ga626b768f7f4d6052c45d9603f86f16cf" args="(struct nl_handle *handle, int ifindex, uint32_t parent)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">struct nl_cache* rtnl_cls_alloc_cache </td>
<td>(</td>
<td class="paramtype">struct nl_handle * </td>
<td class="paramname"><em>handle</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>ifindex</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>parent</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [read]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">handle</td><td>netlink handle </td></tr>
<tr><td class="paramname">ifindex</td><td>interface index of the link the classes are attached to. </td></tr>
<tr><td class="paramname">parent</td><td>parent qdisc/class</td></tr>
</table>
</dd>
</dl>
<p>Allocates a new cache, initializes it properly and updates it to include all classes attached to the specified interface.</p>
<dl class="note"><dt><b>Note:</b></dt><dd>The caller is responsible for destroying and freeing the cache after using it. </dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The cache or NULL if an error has occured. </dd></dl>
<p>Definition at line <a class="el" href="classifier_8c_source.html#l00295">295</a> of file <a class="el" href="classifier_8c_source.html">classifier.c</a>.</p>
<p>References <a class="el" href="cache_8c_source.html#l00173">nl_cache_alloc()</a>, <a class="el" href="cache_8c_source.html#l00265">nl_cache_free()</a>, and <a class="el" href="cache_8c_source.html#l00662">nl_cache_refill()</a>.</p>
<div class="fragment"><pre class="fragment">{
<span class="keyword">struct </span>nl_cache * cache;
cache = <a class="code" href="group__cache.html#ga9520ae0f2158db3c081f34c851d92252" title="Allocate an empty cache.">nl_cache_alloc</a>(&<a class="code" href="structrtnl__cls__ops.html" title="Classifier operations.">rtnl_cls_ops</a>);
<span class="keywordflow">if</span> (cache == NULL)
<span class="keywordflow">return</span> NULL;
cache->c_iarg1 = ifindex;
cache->c_iarg2 = parent;
<span class="keywordflow">if</span> (handle && <a class="code" href="group__cache.html#gaf5bd584017847e6ef69ec36739a6aaf0" title="(Re)fill a cache with the contents in the kernel.">nl_cache_refill</a>(handle, cache) < 0) {
<a class="code" href="group__cache.html#ga530c896db26d72001d011114b1e6cfaa" title="Free a cache.">nl_cache_free</a>(cache);
<span class="keywordflow">return</span> NULL;
}
<span class="keywordflow">return</span> cache;
}
</pre></div>
</div>
</div>
</div>
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