DeviceListener
Description:
Creates a new DeviceListener with a specified callback function.
Parameters:
| callback |
an DeviceListenerCB callback function, or NULL. |
| callback_destroyed |
A DestroyNotify called when the listener is freed and data associated with the callback should be freed. It can be NULL. |
| user_data |
a pointer to data which will be passed to the callback when invoked. |
Returns:
|
a pointer to a newly-created DeviceListener. |