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

NAME
SDL_MAIN_USE_CALLBACKS - Inform SDL to use the main callbacks instead of main.
SYNOPSIS
#include <SDL3/SDL_main.h>
#define SDL_MAIN_USE_CALLBACKS 1
DESCRIPTION
SDL does not define this macro, but will check if it is defined when including SDL_main.h. If defined,
SDL will expect the app to provide several functions: SDL_AppInit, SDL_AppEvent, SDL_AppIterate, and
SDL_AppQuit. The app should not provide a main function in this case, and doing so will likely cause the
build to fail.
Please see [README/main-functions](README/main-functions), (or docs/README-main-functions.md in the
source tree) for a more detailed explanation.
AVAILABILITY
This macro is used by the headers since SDL 3.2.0.
SEE ALSO
SDL_AppInit(3), SDL_AppEvent(3), SDL_AppIterate(3), SDL_AppQuit(3)
Simple Directmedia Layer SDL 3.2.20 SDL_MAIN_USE_CALLBACKS(3)