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191 <div class="section" id="creating-and-destroying-a-memcached-st">
192 <h1>Creating and destroying a memcached_st<a class="headerlink" href="#creating-and-destroying-a-memcached-st" title="Permalink to this headline"></a></h1>
193 <div class="section" id="synopsis">
194 <h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline"></a></h2>
195 <p>#include &lt;libmemcached/memcached.h&gt;</p>
196 <dl class="type">
197 <dt id="_CPPv412memcached_st">
198 <span id="_CPPv312memcached_st"></span><span id="_CPPv212memcached_st"></span><span id="memcached_st"></span><em class="property">type </em><code class="sig-name descname">memcached_st</code><a class="headerlink" href="#_CPPv412memcached_st" title="Permalink to this definition"></a><br /></dt>
199 <dd></dd></dl>
200
201 <dl class="function">
202 <dt id="_CPPv416memcached_createP12memcached_st">
203 <span id="_CPPv316memcached_createP12memcached_st"></span><span id="_CPPv216memcached_createP12memcached_st"></span><span id="memcached_create__memcached_stP"></span><a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<code class="sig-name descname">memcached_create</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<em>ptr</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv416memcached_createP12memcached_st" title="Permalink to this definition"></a><br /></dt>
204 <dd></dd></dl>
205
206 <dl class="function">
207 <dt id="_CPPv414memcached_freeP12memcached_st">
208 <span id="_CPPv314memcached_freeP12memcached_st"></span><span id="_CPPv214memcached_freeP12memcached_st"></span><span id="memcached_free__memcached_stP"></span>void <code class="sig-name descname">memcached_free</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<em>ptr</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv414memcached_freeP12memcached_st" title="Permalink to this definition"></a><br /></dt>
209 <dd></dd></dl>
210
211 <dl class="function">
212 <dt id="_CPPv415memcached_cloneP12memcached_stP12memcached_st">
213 <span id="_CPPv315memcached_cloneP12memcached_stP12memcached_st"></span><span id="_CPPv215memcached_cloneP12memcached_stP12memcached_st"></span><span id="memcached_clone__memcached_stP.memcached_stP"></span><a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<code class="sig-name descname">memcached_clone</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<em>destination</em>, <a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st">memcached_st</a> *<em>source</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv415memcached_cloneP12memcached_stP12memcached_st" title="Permalink to this definition"></a><br /></dt>
214 <dd></dd></dl>
215
216 <dl class="function">
217 <dt id="_CPPv423memcached_servers_reset12memcached_st">
218 <span id="_CPPv323memcached_servers_reset12memcached_st"></span><span id="_CPPv223memcached_servers_reset12memcached_st"></span><span id="memcached_servers_reset__memcached_st"></span>void <code class="sig-name descname">memcached_servers_reset</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st">memcached_st</a><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv423memcached_servers_reset12memcached_st" title="Permalink to this definition"></a><br /></dt>
219 <dd></dd></dl>
220
221 <p>Compile and link with -lmemcached</p>
222 </div>
223 <div class="section" id="description">
224 <h2>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline"></a></h2>
225 <p><a class="reference internal" href="#_CPPv416memcached_createP12memcached_st" title="memcached_create"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_create()</span></code></a> is used to create a <a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_st</span></code></a>
226 structure that will then be used by other libmemcached(3) functions to
227 communicate with the server. You should either pass a statically declared
228 <a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_st</span></code></a> to <a class="reference internal" href="#_CPPv416memcached_createP12memcached_st" title="memcached_create"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_create()</span></code></a> or
229 a NULL. If a NULL passed in then a structure is allocated for you.</p>
230 <p>Please note, when you write new application use
231 <a class="reference internal" href="configuration.html#_CPPv49memcachedPKc6size_t" title="memcached"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached()</span></code></a> over <a class="reference internal" href="#_CPPv416memcached_createP12memcached_st" title="memcached_create"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_create()</span></code></a>.</p>
232 <p><a class="reference internal" href="#_CPPv415memcached_cloneP12memcached_stP12memcached_st" title="memcached_clone"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_clone()</span></code></a> is similar to <a class="reference internal" href="#_CPPv416memcached_createP12memcached_st" title="memcached_create"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_create()</span></code></a> but
233 it copies the defaults and list of servers from the source
234 <a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_st</span></code></a>. If you pass a null as the argument for the source
235 to clone, it is the same as a call to <a class="reference internal" href="#_CPPv416memcached_createP12memcached_st" title="memcached_create"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_create()</span></code></a>.
236 If the destination argument is NULL a <a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_st</span></code></a> will be allocated
237 for you.</p>
238 <p><a class="reference internal" href="#_CPPv423memcached_servers_reset12memcached_st" title="memcached_servers_reset"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_servers_reset()</span></code></a> allows you to zero out the list of
239 servers that the <a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_st</span></code></a> has.</p>
240 <p>To clean up memory associated with a <a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_st</span></code></a> structure you
241 should pass it to <a class="reference internal" href="#_CPPv414memcached_freeP12memcached_st" title="memcached_free"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_free()</span></code></a> when you are finished using it.
242 <a class="reference internal" href="#_CPPv414memcached_freeP12memcached_st" title="memcached_free"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_free()</span></code></a> is the only way to make sure all memory is
243 deallocated when you finish using the structure.</p>
244 <p>You may wish to avoid using memcached_create(3) or memcached_clone(3) with a
245 stack based allocation. The most common issues related to ABI safety involve
246 heap allocated structures.</p>
247 </div>
248 <div class="section" id="return">
249 <h2>RETURN<a class="headerlink" href="#return" title="Permalink to this headline"></a></h2>
250 <p><a class="reference internal" href="#_CPPv416memcached_createP12memcached_st" title="memcached_create"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_create()</span></code></a> returns a pointer to the <a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_st</span></code></a>
251 that was created (or initialized). On an allocation failure, it returns NULL.</p>
252 <p><a class="reference internal" href="#_CPPv415memcached_cloneP12memcached_stP12memcached_st" title="memcached_clone"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">memcached_clone()</span></code></a> returns a pointer to the <a class="reference internal" href="#_CPPv412memcached_st" title="memcached_st"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">memcached_st</span></code></a>
253 that was created (or initialized). On an allocation failure, it returns NULL.</p>
254 </div>
255 <div class="section" id="see-also">
256 <h2>SEE ALSO<a class="headerlink" href="#see-also" title="Permalink to this headline"></a></h2>
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