SDL_SYS_JoystickUpdate 549 src/joystick/SDL_joystick.c                SDL_SYS_JoystickUpdate(SDL_joysticks[i]);
SDL_SYS_JoystickUpdate 153 src/joystick/beos/SDL_bejoystick.cc void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)