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<title>MQTT C Client Libraries Internals: Connack Struct Reference</title>
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<div class="header">
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<a href="#pub-attribs">Data Fields</a>  </div>
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<div class="title">Connack Struct Reference</div>  </div>
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<p>Data for a connack packet.  
 <a href="structConnack.html#details">More...</a></p>

<p><code>#include &lt;MQTTPacket.h&gt;</code></p>
<div class="dynheader">
Collaboration diagram for Connack:</div>
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<div class="center"><img src="structConnack__coll__graph.png" border="0" usemap="#Connack_coll__map" alt="Collaboration graph"/></div>
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<area shape="rect" title="Data for a connack packet." alt="" coords="37,288,110,315"/>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Data Fields</h2></td></tr>
<tr class="memitem:af532b37a9b73aaf2254d9e5789814d71"><td class="memItemLeft" align="right" valign="top"><a id="af532b37a9b73aaf2254d9e5789814d71"></a>
<a class="el" href="unionHeader.html">Header</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structConnack.html#af532b37a9b73aaf2254d9e5789814d71">header</a></td></tr>
<tr class="memdesc:af532b37a9b73aaf2254d9e5789814d71"><td class="mdescLeft">&#160;</td><td class="mdescRight">MQTT header byte. <br /></td></tr>
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<tr class="memitem:a296f82b2061fa92586c8c2212ffd6efd"><td class="memItemLeft" ><a id="a296f82b2061fa92586c8c2212ffd6efd"></a>
union {</td></tr>
<tr class="memitem:a9bc9e86f1f46353b537a2e9698a76bf5"><td class="memItemLeft" >
&#160;&#160;&#160;unsigned char&#160;&#160;&#160;<a class="el" href="structConnack.html#aa2355d305cb311d356af339c44a852c7">all</a></td></tr>
<tr class="memdesc:a9bc9e86f1f46353b537a2e9698a76bf5"><td class="mdescLeft">&#160;</td><td class="mdescRight">all connack flags <br /></td></tr>
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&#160;&#160;&#160;struct {</td></tr>
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&#160;&#160;&#160;&#160;&#160;&#160;bool&#160;&#160;&#160;<a class="el" href="structConnack.html#a57f2834e64d4e3ff4f73012491f73f48">sessionPresent</a>: 1</td></tr>
<tr class="memdesc:ae3db0a1a5f2d13e848b320c32b1c2e1b"><td class="mdescLeft">&#160;</td><td class="mdescRight">was a session found on the server? <br /></td></tr>
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<tr class="memitem:a72cddf0421784c8b3a2d595c8f1de9d0"><td class="memItemLeft" >
&#160;&#160;&#160;&#160;&#160;&#160;unsigned int&#160;&#160;&#160;<a class="el" href="structConnack.html#a455bf40d0da52ccfd9b546e7fa23b1d0">reserved</a>: 7</td></tr>
<tr class="memdesc:a72cddf0421784c8b3a2d595c8f1de9d0"><td class="mdescLeft">&#160;</td><td class="mdescRight">message type nibble <br /></td></tr>
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<tr class="memitem:af43b9f2b760ce33ea9ed53e13f702c9c"><td class="memItemLeft" valign="top">&#160;&#160;&#160;}&#160;&#160;&#160;<b>bits</b></td></tr>
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<tr class="memitem:a296f82b2061fa92586c8c2212ffd6efd"><td class="memItemLeft" valign="top">}&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structConnack.html#a296f82b2061fa92586c8c2212ffd6efd">flags</a></td></tr>
<tr class="memdesc:a296f82b2061fa92586c8c2212ffd6efd"><td class="mdescLeft">&#160;</td><td class="mdescRight">connack flags byte <br /></td></tr>
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<tr class="memitem:a5a963839f48e7f1319af687621f6e3ec"><td class="memItemLeft" align="right" valign="top"><a id="a5a963839f48e7f1319af687621f6e3ec"></a>
unsigned char&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structConnack.html#a5a963839f48e7f1319af687621f6e3ec">rc</a></td></tr>
<tr class="memdesc:a5a963839f48e7f1319af687621f6e3ec"><td class="mdescLeft">&#160;</td><td class="mdescRight">connack reason code <br /></td></tr>
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<tr class="memitem:af1a10784220b77ccfbf549b2443f2332"><td class="memItemLeft" align="right" valign="top"><a id="af1a10784220b77ccfbf549b2443f2332"></a>
unsigned int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structConnack.html#af1a10784220b77ccfbf549b2443f2332">MQTTVersion</a></td></tr>
<tr class="memdesc:af1a10784220b77ccfbf549b2443f2332"><td class="mdescLeft">&#160;</td><td class="mdescRight">the version of MQTT <br /></td></tr>
<tr class="separator:af1a10784220b77ccfbf549b2443f2332"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab5d35213eadd6bbecd56627b9680ac0c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structMQTTProperties.html">MQTTProperties</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structConnack.html#ab5d35213eadd6bbecd56627b9680ac0c">properties</a></td></tr>
<tr class="memdesc:ab5d35213eadd6bbecd56627b9680ac0c"><td class="mdescLeft">&#160;</td><td class="mdescRight">MQTT 5.0 properties.  <a href="structConnack.html#ab5d35213eadd6bbecd56627b9680ac0c">More...</a><br /></td></tr>
<tr class="separator:ab5d35213eadd6bbecd56627b9680ac0c"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Data for a connack packet. </p>
</div><h2 class="groupheader">Field Documentation</h2>
<a id="ab5d35213eadd6bbecd56627b9680ac0c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab5d35213eadd6bbecd56627b9680ac0c">&#9670;&nbsp;</a></span>properties</h2>

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      <table class="memname">
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          <td class="memname"><a class="el" href="structMQTTProperties.html">MQTTProperties</a> Connack::properties</td>
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</div><div class="memdoc">

<p>MQTT 5.0 properties. </p>
<p>Not used for MQTT &lt; 5.0 </p>

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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>MQTTPacket.h</li>
</ul>
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