freeglut_return_if_fail( fgStructure.CurrentWindow != NULL );
freeglut_return_if_fail( FETCH_WCB( *( fgStructure.CurrentWindow ), Joystick ) );
fgJoystickPollWindow( fgStructure.CurrentWindow );
freeglut_return_if_fail( fgStructure.CurrentWindow != NULL );
freeglut_return_if_fail( FETCH_WCB( *( fgStructure.CurrentWindow ), Joystick ) );
fgJoystickPollWindow( fgStructure.CurrentWindow );