="lineno">   21</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">#include &lt;stdint.h&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"><a class="line" href="_m_q_t_t_properties_8h.html#afc56d2e8937a0c8f180d68ad93945945">   24</a></span><span class="preprocessor">#define MQTT_INVALID_PROPERTY_ID -2</spa