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 199   <div class="section" id="storing-custom-user-information-in-the-client">
 200 <h1>Storing custom user information in the client.<a class="headerlink" href="#storing-custom-user-information-in-the-client" title="Permalink to this headline">¶</a></h1>
 201 <p id="index-0">Manage user specific data</p>
 202 <div class="section" id="library">
 203 <h2>LIBRARY<a class="headerlink" href="#library" title="Permalink to this headline">¶</a></h2>
 204 <p>C Client Library for memcached (libmemcached, -lmemcached)</p>
 205 </div>
 206 <div class="section" id="synopsis">
 207 <h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
 208 <p>#include &lt;libmemcached/memcached.h&gt;</p>
 209 <dl class="function">
 210 <dt id="_CPPv423memcached_get_user_dataP12memcached_st">
 211 <span id="_CPPv323memcached_get_user_dataP12memcached_st"></span><span id="_CPPv223memcached_get_user_dataP12memcached_st"></span><span id="memcached_get_user_data__memcached_stP"></span>void *<code class="sig-name descname">memcached_get_user_data</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><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv423memcached_get_user_dataP12memcached_st" title="Permalink to this definition">¶</a><br /></dt>
 212 <dd></dd></dl>
 213
 214 <dl class="function">
 215 <dt id="_CPPv423memcached_set_user_dataP12memcached_stPv">
 216 <span id="_CPPv323memcached_set_user_dataP12memcached_stPv"></span><span id="_CPPv223memcached_set_user_dataP12memcached_stPv"></span><span id="memcached_set_user_data__memcached_stP.voidP"></span>void *<code class="sig-name descname">memcached_set_user_data</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>, void *<em>data</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv423memcached_set_user_dataP12memcached_stPv" title="Permalink to this definition">¶</a><br /></dt>
 217 <dd></dd></dl>
 218
 219 <p>Compile and link with -lmemcached</p>
 220 </div>
 221 <div class="section" id="description">
 222 <h2>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
 223 <p>libmemcached(3) allows you to store a pointer to a user specific data inside
 224 the memcached_st structure.</p>
 225 <p><a class="reference internal" href="#_CPPv423memcached_set_user_dataP12memcached_stPv" title="memcached_set_user_data"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_set_user_data()</span></code></a> is used to set the user specific data in the
 226 <a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_st</span></code></a> structure.</p>
 227 <p><a class="reference internal" href="#_CPPv423memcached_get_user_dataP12memcached_st" title="memcached_get_user_data"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_get_user_data()</span></code></a> is used to retrieve the user specific data in the <a class="reference internal" href="memcached_create.html#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_st</span></code></a> structure.</p>
 228 </div>
 229 <div class="section" id="return-value">
 230 <h2>RETURN VALUE<a class="headerlink" href="#return-value" title="Permalink to this headline">¶</a></h2>
 231 <p><a class="reference internal" href="#_CPPv423memcached_set_user_dataP12memcached_stPv" title="memcached_set_user_data"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_set_user_data()</span></code></a> returns the previous value of the user specific data.</p>
 232 <p><a class="reference internal" href="#_CPPv423memcached_get_user_dataP12memcached_st" title="memcached_get_user_data"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_get_user_data()</span></code></a> returns the current value uf the user specific data.</p>
 233 </div>
 234 <div class="section" id="see-also">
 235 <h2>SEE ALSO<a class="headerlink" href="#see-also" title="Permalink to this headline">¶</a></h2>
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