SDL_VirtualJoystickTouchpadDesc.3type - Man Page

#include <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.

SDL_VirtualJoystickDesc(3type)