SDL_WINDOWPOS_ISUNDEFINED - A macro to test if the window position is marked as "undefined."

       This macro is available since SDL 3.2.0.

Simple Directmedia Layer                           SDL 3.2.10                       SDL_WINDOWPOS_ISUNDEFINED(3)

       Defined in SDL3/SDL_video.h

       SDL_WINDOWPOS_ISUNDEFINED - A macro to test if the window position is marked as "undefined."

#include"SDL3/SDL.h"#defineSDL_WINDOWPOS_ISUNDEFINED(X)(((X)&0xFFFF0000)==SDL_WINDOWPOS_UNDEFINED_MASK)