t was received from the broker.</dd></dl>
<dl class="section attention"><dt>Attention</dt><dd>Only initialize an MQTT client once (i.e. don't call <a class="el" href="group__api.html#gaa5dab8a06f016b09c7a5259274b3b3ce">mqtt_init</a> or <a class="el" href="group__api.html#ga4becaa66425469cf462b531aa7eb1ac9">mqtt_init_reconnect</a> more than once per client).</dd></dl>
<dl class="section return"><dt>Returns</dt><dd><code>MQTT_OK</code> upon success, an <a class="el" href="group__api.html#gad0c901a8d30691ed0ca