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

NAME
SDL_SetMainReady - Circumvent failure of SDL_Init () when not using SDL_main () as an entry point.
HEADER FILE
Defined in SDL3/SDL_main.h
SYNOPSIS
#include "SDL3/SDL.h"
void SDL_SetMainReady(void);
DESCRIPTION
This function is defined in SDL_main .h, along with the preprocessor rule to redefine main() as SDL_main
(). Thus to ensure that your main() function will not be changed it is necessary to define
SDL_MAIN_HANDLED
before including SDL.h.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
•(3), SDL_Init(3)
Simple Directmedia Layer SDL 3.2.8 SDL_SetMainReady(3)