Function sdl2_sys::SDL_NumJoysticks

pub unsafe extern "C" fn SDL_NumJoysticks() -> c_int

Count the number of joysticks attached to the system.

\returns the number of attached joysticks on success or a negative error code on failure; call SDL_GetError() for more information.

\since This function is available since SDL 2.0.0.

\sa SDL_JoystickName \sa SDL_JoystickPath \sa SDL_JoystickOpen