Get the implementation dependent name for the game controller.
const char* SDL_GameControllerNameForIndex(int joystick_index);
|joystick_index||the device_index of a device, from zero to SDL_NumJoysticks()-1|
Returns the implementation-dependent name for the game controller, or NULL if there is no name or the index is invalid.
This function can be called before any controllers are opened.
joystick_index is the same as the
device_index passed to SDL_JoystickOpen().
This function is available since SDL 2.0.0.