Get the implementation dependent path for the game controller.
const char* SDL_GameControllerPathForIndex(int joystick_index);
the device_index of a device, from zero to SDL_NumJoysticks()-1
Returns the implementation-dependent path for the game controller, or NULL if there is no path 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 3.0.0.