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

SDL_WINDOWPOS_UNDEFINED_MASK - A magic value used with SDL_WINDOWPOS_UNDEFINED .

Defined in SDL3/SDL_video.h

#include "SDL3/SDL.h"
#define SDL_WINDOWPOS_UNDEFINED_MASK    0x1FFF0000u

Generally this macro isn't used directly, but rather through

SDL_WINDOWPOS_UNDEFINED
or

SDL_WINDOWPOS_UNDEFINED_DISPLAY .

This macro is available since SDL 3.2.0.

SDL 3.2.10 Simple Directmedia Layer