The structure that describes a virtual joystick touchpad.
Defined in <SDL3/SDL_joystick.h>
typedef struct SDL_VirtualJoystickTouchpadDesc
{
    Uint16 nfingers;    /**< the number of simultaneous fingers on this touchpad */
    Uint16 padding[3];
} SDL_VirtualJoystickTouchpadDesc;This struct is available since SDL 3.2.0.