Provided by: libsdl3-doc_3.2.26+ds-2_all 

NAME
SDL_KeyboardID - This is a unique ID for a keyboard for the time it is connected to the system, and is
never reused for the lifetime of the application.
SYNOPSIS
#include <SDL3/SDL_keyboard.h>
typedef Uint32 SDL_KeyboardID;
DESCRIPTION
If the keyboard is disconnected and reconnected, it will get a new ID.
The value 0 is an invalid ID.
AVAILABILITY
This datatype is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.26 SDL_KeyboardID(3type)