SDL_SYS_JoystickOpen 127 src/joystick/SDL_joystick.c if ( SDL_SYS_JoystickOpen(joystick) < 0 ) { SDL_SYS_JoystickOpen 104 src/joystick/beos/SDL_bejoystick.cc int SDL_SYS_JoystickOpen(SDL_Joystick *joystick)