|  | MQTT C Client Libraries Internals
    | 

| Data Fields | |
| int | socket | 
| START_TIME_TYPE | lastSent | 
| START_TIME_TYPE | lastReceived | 
| START_TIME_TYPE | lastPing | 
| char * | http_proxy | 
| char * | http_proxy_auth | 
| int | websocket | 
| socket has been upgraded to use web sockets | |
| char * | websocket_key | 
| const MQTTClient_nameValue * | httpHeaders | 
 1.8.17
 1.8.17