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<h1>nng_http_handler_set_tree(3http) Manual Page</h1>
<div id="toc" class="toc2">
<div id="toctitle">Table of Contents</div>
<ul class="sectlevel1">
<li><a href="#_synopsis">SYNOPSIS</a></li>
<li><a href="#_description">DESCRIPTION</a></li>
<li><a href="#_return_values">RETURN VALUES</a></li>
<li><a href="#_errors">ERRORS</a></li>
<li><a href="#_see_also">SEE ALSO</a></li>
</ul>
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<h2 id="_name">NAME</h2>
<div class="sectionbody">
<p>nng_http_handler_set_tree - set HTTP handler to match trees</p>
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<div id="content">
<div class="sect1">
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="listingblock">
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<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span>
<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/http/http.h></span><span class="tok-cp"></span>
<span class="tok-kt">int</span> <span class="tok-nf">nng_http_handler_set_tree</span><span class="tok-p">(</span><span class="tok-n">nng_http_handler</span> <span class="tok-o">*</span><span class="tok-n">handler</span><span class="tok-p">);</span></code></pre>
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<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
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<div class="paragraph">
<p>The <code>nng_http_handler_set_tree()</code> function causes the <em>handler</em> to be
matched if the Request URI sent by the client is a logical child of
the path for <em>handler</em>.</p>
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<i class="fa icon-tip" title="Tip"></i>
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<td class="content">
This method is useful when constructing API handlers where a single
service address (path) supports dynamically generated children.
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<div class="sect1">
<h2 id="_return_values">RETURN VALUES</h2>
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<div class="paragraph">
<p>This function returns 0 on success, and non-zero otherwise.</p>
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<div class="sect1">
<h2 id="_errors">ERRORS</h2>
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<div class="hdlist">
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<td class="hdlist1">
<code>NNG_ENOMEM</code>
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<td class="hdlist2">
<p>Insufficient free memory exists.</p>
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<td class="hdlist1">
<code>NNG_ENOTSUP</code>
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<td class="hdlist2">
<p>No support for HTTP in the library.</p>
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</tr>
</table>
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<div class="sect1">
<h2 id="_see_also">SEE ALSO</h2>
<div class="sectionbody">
<div class="paragraph text-left">
<p><a href="nng_http_handler_alloc.3http.html">nng_http_handler_alloc(3http)</a>,
<a href="nng_http_server_add_handler.3http.html">nng_http_server_add_handler(3http)</a>,
<a href="nng_http_req_get_method.3http.html">nng_http_req_get_method(3http)</a>,
<a href="nng.7.html">nng(7)</a></p>
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