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NAMESDL_JoystickOpened - Determine if a joystick has been openedSYNOPSIS#include "SDL.h"int SDL_JoystickOpened(int index); DESCRIPTIONDetermines whether a joystick has already been opened within the application. index refers to the N'th joystick on the system.RETURN VALUEReturns 1 if the joystick has been opened, or 0 if it has not.SEE ALSOSDL_JoystickOpen, SDL_JoystickClose
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