| CMQTTConnectInfo_t | MQTT CONNECT packet parameters |
| CMQTTContext_t | A struct representing an MQTT connection |
| CMQTTDeserializedInfo_t | Struct to hold deserialized packet information for an MQTTEventCallback_t callback |
| CMQTTFixedBuffer_t | Buffer passed to MQTT library |
| CMQTTPacketInfo_t | MQTT incoming packet parameters |
| CMQTTPubAckInfo_t | An element of the state engine records for QoS 1 or Qos 2 publishes |
| CMQTTPublishInfo_t | MQTT PUBLISH packet parameters |
| CMQTTSubscribeInfo_t | MQTT SUBSCRIBE packet parameters |
| CTransportInterface_t | The transport layer interface |