Provided by: libsdl3-doc_3.2.10+ds-1_all 

NAME
SDL_MOUSE_TOUCHID - The SDL_TouchID for touch events simulated with mouse input.
HEADER FILE
Defined in SDL3/SDL_touch.h
SYNOPSIS
#include "SDL3/SDL.h" #define SDL_MOUSE_TOUCHID ((SDL_TouchID)-1)
AVAILABILITY
This macro is available since SDL 3.2.0. Simple Directmedia Layer SDL 3.2.10 SDL_MOUSE_TOUCHID(3)