Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_FilterEvents - Run a specific filter function on the current event queue, removing any events for
which the filter returns false.
SYNOPSIS
#include <SDL3/SDL_events.h>
void SDL_FilterEvents(SDL_EventFilter filter, void *userdata);
DESCRIPTION
See SDL_SetEventFilter() for more information. Unlike SDL_SetEventFilter(), this function does not change
the filter permanently, it only uses the supplied filter until this function returns.
FUNCTION PARAMETERS
filter the SDL_EventFilter function to call when an event happens.
userdata
a pointer that is passed to filter.
THREAD SAFETY
It is safe to call this function from any thread.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
SDL_GetEventFilter(3), SDL_SetEventFilter(3)
Simple Directmedia Layer SDL 3.2.20 SDL_FilterEvents(3)