sdlGetGamepadStringForAxis function gamepad
Convert from an SDL_GamepadAxis enum to a string.
\param axis an enum value for a given SDL_GamepadAxis. \returns a string for the given axis, or NULL if an invalid axis is specified. The string returned is of the format used by SDL_Gamepad mapping strings.
\threadsafety It is safe to call this function from any thread.
\since This function is available since SDL 3.2.0.
\sa SDL_GetGamepadAxisFromString
extern SDL_DECLSPEC const char * SDLCALL SDL_GetGamepadStringForAxis(SDL_GamepadAxis axis)
Implementation
String? sdlGetGamepadStringForAxis(int axis) {
  final sdlGetGamepadStringForAxisLookupFunction = _libSdl
      .lookupFunction<
        Pointer<Utf8> Function(Int32 axis),
        Pointer<Utf8> Function(int axis)
      >('SDL_GetGamepadStringForAxis');
  final result = sdlGetGamepadStringForAxisLookupFunction(axis);
  if (result == nullptr) {
    return null;
  }
  return result.toDartString();
}