= SDL_GameControllerMappingForDeviceIndex = Get the mapping of a game controller. == Syntax == char* SDL_GameControllerMappingForDeviceIndex(int joystick_index); == Function Parameters == {| |'''joystick_index''' |the device_index of a device, from zero to [[SDL_NumJoysticks]]()-1 |} == Return Value == Returns the mapping string. Must be freed with [[SDL_free]](). Returns NULL if no mapping is available. == Remarks == This can be called before any controllers are opened. == Version == This function is available since SDL 2.0.9. ---- [[CategoryAPI]]