Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_WINDOWPOS_CENTERED_MASK - A magic value used with SDL_WINDOWPOS_CENTERED.
SYNOPSIS
#include <SDL3/SDL_video.h>
#define SDL_WINDOWPOS_CENTERED_MASK 0x2FFF0000u
DESCRIPTION
Generally this macro isn't used directly, but rather through SDL_WINDOWPOS_CENTERED or
SDL_WINDOWPOS_CENTERED_DISPLAY.
AVAILABILITY
This macro is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_WINDOWPOS_CENTERED_MASK(3)