Paho MQTT C Client Library
Data Structures
Here are the data structures with brief descriptions:
 CMQTTClient_connectOptions
 CMQTTClient_createOptions
 CMQTTClient_init_options
 CMQTTClient_message
 CMQTTClient_nameValue
 CMQTTClient_persistenceA structure containing the function pointers to a persistence implementation and the context or state that will be shared across all the persistence functions
 CMQTTClient_SSLOptions
 CMQTTClient_willOptions
 CMQTTLenString
 CMQTTProperties
 CMQTTProperty
 CMQTTResponse
 CMQTTSubscribe_options