SDL_JoystickNumBalls (3) Linux Manual Page
SDL_JoystickNumBalls – Get the number of joystick trackballs
Synopsis
#include "SDL.h"
int SDL_JoystickNumBalls(SDL_Joystick *joystick);
Description
Return the number of trackballs available from a previously opened SDL_Joystick.
Return Value
Number of trackballs.
See Also
SDL_JoystickGetBall, SDL_JoystickOpen
