Provided by: libsdl1.2-dev_1.2.14-6.4ubuntu3_amd64
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.