Get the instance ID of a joystick.
Defined in SDL_joystick.h
SDL_JoystickID SDL_JoystickGetDeviceInstanceID(int device_index);| int | device_index | the index of the joystick to query (the N'th joystick on the system. |
(SDL_JoystickID) Returns the instance id of the selected joystick. If called on an invalid index, this function returns -1.
This can be called before any joysticks are opened.
This function is available since SDL 2.0.6.