SDL_RegisterEvents - Allocate a set of user-defined events, and return the beginning event number for

       This function is available since SDL 3.2.0.

numevents
              the number of events to be allocated.

       Defined in SDL3/SDL_events.h

       SDL_RegisterEvents  -  Allocate  a  set of user-defined events, and return the beginning event number for
       that set of events.

       ( Uint32 ) Returns the beginning event number, or 0 if numevents is invalid or if there  are  not  enough
       user-defined events left.

•(3), SDL_PushEvent(3)

Simple Directmedia Layer                           SDL 3.2.10                              SDL_RegisterEvents(3)

#include"SDL3/SDL.h"Uint32SDL_RegisterEvents(intnumevents);

       It is safe to call this function from any thread.