SDL_GetDisplays - Get a list of currently connected displays.

       This function is available since SDL 3.2.0.

Simple Directmedia Layer                           SDL 3.2.10                                 SDL_GetDisplays(3)

count  a pointer filled in with the number of displays returned, may be NULL.

       Defined in SDL3/SDL_video.h

       SDL_GetDisplays - Get a list of currently connected displays.

       ( SDL_DisplayID
        *)  Returns  a  0  terminated array of display instance IDs or NULL on failure; call SDL_GetError () for
       more information. This should be freed with SDL_free () when it is no longer needed.

#include"SDL3/SDL.h"SDL_DisplayID*SDL_GetDisplays(int*count);

       This function should only be called on the main thread.