MQTTAsync_subscribe - asynchronously subscribe to the topic MQTT Examples

MQTTAsync_subscribe  asynchronously  subscribes  to the topic MQTT Examples to receive the message "Hello
       World!" from other examples.

       MQTTAsync_subscribe - asynchronously subscribe to the topic MQTT Examples

MQTTAsync_publish(1)    MQTTAsync_publish_time(1)    MQTTClient_publish_async(1)    MQTTClient_publish(1)
       MQTTClient_subscribe(1)

http://eclipse.org/paho                     31 December 2020 (v1.3.8)                     MQTTASYNC_SUBSCRIBE(1)

MQTTAsync_subscribe