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

SDL_WINDOWPOS_CENTERED - Used to indicate that the window position should be centered.

Defined in SDL3/SDL_video.h

#include "SDL3/SDL.h"
#define SDL_WINDOWPOS_CENTERED         SDL_WINDOWPOS_CENTERED_DISPLAY(0)

This always uses the primary display.

This macro is available since SDL 3.2.0.

SDL 3.2.10 Simple Directmedia Layer