- r -

• rc : Ack , Connack
• reasonCode : MQTTAsync_disconnectOptions , MQTTAsync_failureData5 , MQTTAsync_successData5
• reasonCodeCount : MQTTAsync_successData5
• reasonCodes : MQTTAsync_successData5 , Unsuback
• reliable : MQTTClient_connectOptions
• reserved : Connack
• retain : Header
• retainAsPublished : MQTTSubscribe_options
• retained : MQTTAsync_message , MQTTAsync_willOptions , MQTTClient_message , MQTTClient_willOptions
• retainHandling : MQTTSubscribe_options
• retryInterval : Clients , MQTTAsync_connectOptions , MQTTClient_connectOptions
• returned : MQTTClient_connectOptions
• root : Tree