Function sdl2_sys::SDL_JoystickGetAxis

pub unsafe extern "C" fn SDL_JoystickGetAxis(
    joystick: *mut SDL_Joystick, 
    axis: c_int
) -> Sint16

Get the current state of an axis control on a joystick.

The state is a value ranging from -32768 to 32767.

The axis indices start at index 0.