void SDLInitJoysticks(void);
boolean SDLReadJoystick(int, int *, int *, boolean *, boolean *);
boolean SDLCheckJoystickOpened(int);
void SDLInitJoysticks(void);
boolean SDLReadJoystick(int, int *, int *, boolean *, boolean *);
boolean SDLCheckJoystickOpened(int);