|  | Paho MQTT C Client Library
    | 
#include <MQTTClient.h>
| Data Fields | |
| char | struct_id [4] | 
| int | struct_version | 
| int | do_openssl_init | 
Initialization options
| char struct_id[4] | 
The eyecatcher for this structure. Must be MQTG.
| int struct_version | 
The version number of this structure. Must be 0
| int do_openssl_init | 
1 = we do openssl init, 0 = leave it to the application
 1.8.17
 1.8.17