SDL_GetWindowFromID - Man Page

#include <SDL3/SDL_video.h>

SDL_Window * SDL_GetWindowFromID(SDL_WindowID id);

The numeric ID is what SDL_WindowEvent references, and is necessary to map these events to specific SDL_Window objects.

id

the ID of the window.

Returns the window associated with id or NULL if it doesn't exist; call SDL_GetError() for more information.

This function should only be called on the main thread.

This function is available since SDL 3.2.0.

SDL_GetWindowID(3)

SDL_GetWindowID(3).