Provided by: libsdl3-doc_3.2.8+ds-1_all 

NAME
SDL_RegisterEvents - Allocate a set of user-defined events, and return the beginning event number for
that set of events.
HEADER FILE
Defined in SDL3/SDL_events.h
SYNOPSIS
#include "SDL3/SDL.h"
Uint32 SDL_RegisterEvents(int numevents);
FUNCTION PARAMETERS
numevents
the number of events to be allocated.
RETURN VALUE
( Uint32 ) Returns the beginning event number, or 0 if numevents is invalid or if there are not enough
user-defined events left.
THREAD SAFETY
It is safe to call this function from any thread.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
•(3), SDL_PushEvent(3)
Simple Directmedia Layer SDL 3.2.8 SDL_RegisterEvents(3)