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

NAME
SDL_GetKeyboardFocus - Query the window which currently has keyboard focus.
SYNOPSIS
#include <SDL3/SDL_keyboard.h>
SDL_Window * SDL_GetKeyboardFocus(void);
RETURN VALUE
Returns the window with keyboard focus.
THREAD SAFETY
This function should only be called on the main thread.
AVAILABILITY
This function is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_GetKeyboardFocus(3)