SDL_JoystickIndex (3) - Linux Manuals
SDL_JoystickIndex: Get the index of an SDL_Joystick.
NAME
SDL_JoystickIndex - Get the index of an SDL_Joystick.SYNOPSIS
#include "SDL.h"
int SDL_JoystickIndex(SDL_Joystick *joystick);
DESCRIPTION
Returns the index of a given SDL_Joystick structure.
RETURN VALUE
SEE ALSO
SDL_JoystickOpen