SDL_PenID - SDL pen instance IDs.

       This datatype is available since SDL 3.2.0.

Simple Directmedia Layer                           SDL 3.2.20                                   SDL_PenID(3type)

       Zero is used to signify an invalid/null device.

       These  show  up  in  pen  events when SDL sees input from them. They remain consistent as long as SDL can
       recognize a tool to be the same pen; but if a pen physically leaves the area and returns, it might get  a
       new ID.

       SDL_PenID - SDL pen instance IDs.

#include<SDL3/SDL_pen.h>typedefUint32SDL_PenID;