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- <div class="section" id="memcached-touch-memcached-touch-by-key">
-<h1>memcached_touch, memcached_touch_by_key<a class="headerlink" href="#memcached-touch-memcached-touch-by-key" title="Permalink to this headline">¶</a></h1>
+ <div class="section" id="update-expiration-on-a-key">
+<h1>Update expiration on a key<a class="headerlink" href="#update-expiration-on-a-key" title="Permalink to this headline">¶</a></h1>
<div class="section" id="synopsis">
<span id="index-0"></span><h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
<p>#include <libmemcached/memcached.h></p>
-<dl class="function">
+<dl class="cpp function">
<dt id="_CPPv415memcached_touchP12memcached_stPKc6size_t6time_t">
<span id="_CPPv315memcached_touchP12memcached_stPKc6size_t6time_t"></span><span id="_CPPv215memcached_touchP12memcached_stPKc6size_t6time_t"></span><span id="memcached_touch__memcached_stP.cCP.s.time_t"></span><a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> <code class="sig-name descname">memcached_touch</code><span class="sig-paren">(</span><a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<em>ptr</em>, <em class="property">const</em> char *<em>key</em>, size_t <em>key_length</em>, time_t <em>expiration</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv415memcached_touchP12memcached_stPKc6size_t6time_t" title="Permalink to this definition">¶</a><br /></dt>
<dd></dd></dl>
-<dl class="function">
+<dl class="cpp function">
<dt id="_CPPv422memcached_touch_by_keyP12memcached_stPKc6size_tPKc6size_t6time_t">
<span id="_CPPv322memcached_touch_by_keyP12memcached_stPKc6size_tPKc6size_t6time_t"></span><span id="_CPPv222memcached_touch_by_keyP12memcached_stPKc6size_tPKc6size_t6time_t"></span><span id="memcached_touch_by_key__memcached_stP.cCP.s.cCP.s.time_t"></span><a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t">memcached_return_t</a> <code class="sig-name descname">memcached_touch_by_key</code><span class="sig-paren">(</span><a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<em>ptr</em>, <em class="property">const</em> char *<em>group_key</em>, size_t <em>group_key_length</em>, <em class="property">const</em> char *<em>key</em>, size_t <em>key_length</em>, time_t <em>expiration</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv422memcached_touch_by_keyP12memcached_stPKc6size_tPKc6size_t6time_t" title="Permalink to this definition">¶</a><br /></dt>
<dd></dd></dl>
<a class="reference internal" href="#_CPPv422memcached_touch_by_keyP12memcached_stPKc6size_tPKc6size_t6time_t" title="memcached_touch_by_key"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_touch_by_key()</span></code></a> works the same, but it takes a master key
to find the given value.</p>
</div>
-<div class="section" id="return">
-<h2>RETURN<a class="headerlink" href="#return" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="return-value">
+<h2>RETURN VALUE<a class="headerlink" href="#return-value" title="Permalink to this headline">¶</a></h2>
<p>A value of type <a class="reference internal" href="memcached_return_t.html#_CPPv418memcached_return_t" title="memcached_return_t"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_return_t</span></code></a> is returned
On success that value will be <a class="reference internal" href="memcached_return_t.html#_CPPv4N18memcached_return_t17MEMCACHED_SUCCESSE" title="MEMCACHED_SUCCESS"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">MEMCACHED_SUCCESS</span></code></a>.
Use <a class="reference internal" href="memcached_strerror.html#_CPPv418memcached_strerrorP12memcached_st18memcached_return_t" title="memcached_strerror"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_strerror()</span></code></a> to translate this value to a printable
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