DOKK / manpages / debian 13 / libsdl3-doc / SDL_GetDisplays.3.en
SDL_GetDisplays(3) SDL3 FUNCTIONS SDL_GetDisplays(3)

SDL_GetDisplays - Get a list of currently connected displays.

Defined in SDL3/SDL_video.h

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

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

( 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.

This function should only be called on the main thread.

This function is available since SDL 3.2.0.

SDL 3.2.10 Simple Directmedia Layer