DOKK / manpages / debian 13 / libsdl3-doc / SDL_TouchID.3type.en
SDL_TouchID(3type) SDL3 DATATYPES SDL_TouchID(3type)

SDL_TouchID - A unique ID for a touch device.

Defined in SDL3/SDL_touch.h

#include "SDL3/SDL.h"
typedef Uint64 SDL_TouchID;

This ID is valid for the time the device is connected to the system, and is never reused for the lifetime of the application.

The value 0 is an invalid ID.

This datatype is available since SDL 3.2.0.

SDL 3.2.10 Simple Directmedia Layer