SDL_MAIN_NEEDED - Man Page

#include <SDL3/SDL_main.h>

#define SDL_MAIN_NEEDED

This won't be defined otherwise. If defined, SDL's headers will redefine main to SDL_main.

This macro is defined by SDL_main.h, which is not automatically included by SDL.h.

Even if required, an app can define SDL_MAIN_HANDLED and provide their own, if they know what they're doing.

This macro is used internally by SDL, and apps probably shouldn't rely on it.

This macro is available since SDL 3.2.0.