SDL_JoystickOpened - Determine if a joystick has been opened

NAME

       SDL_JoystickOpened - Determine if a joystick has been opened

       #include "SDL.h"

       int SDL_JoystickOpened(int index);

       Determines  whether  a  joystick  has  already  been  opened within the
       application. index refers to the N’th joystick on the system.

       Returns 1 if the joystick has been opened, or 0 if it has not.