Query and Reporting 2 SDK Callbacks
| qr2_adderrorcallback_t | he callbacks provided to qr2_init; called in response to a message from the master server indicating a problem listing the server. |
| qr2_clientconnectedcallback_t | This callback is set via qr2_register_clientconnected_callback; called when a client has connected to the server. |
| qr2_clientmessagecallback_t | This callback is set via qr2_register_clientmessage_callback; called when a client message is received. |
| qr2_countcallback_t | One of the callbacks provided to qr2_init; called when the SDK needs to get a count of player or teams on the server. |
| qr2_keylistcallback_t | One of the callbacks provided to qr2_init; called when the SDK needs to determine all of the keys you game has values for. |
| qr2_natnegcallback_t | This callback is set via qr2_register_natneg_callback; called when a nat negotiation request is received. |
| qr2_playerteamkeycallback_t | One of the callbacks provided to qr2_init; called when a client requests information about a player key or a team key. |
| qr2_publicaddresscallback_t | This callback is set via qr2_register_publicaddress_callback; called when the local client's public address is received. |
| qr2_serverkeycallback_t | One of the callbacks provided to qr2_init, called when a client requests information about a specific server key. |