###### (This is the documentation for SDL3, which is under heavy development and the API is changing! [SDL2](https://wiki.libsdl.org/SDL2/) is the current stable version!) # SDL_GetJoystickGUID Get the implementation-dependent GUID for the joystick. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_joystick.h) ## Syntax ```c SDL_JoystickGUID SDL_GetJoystickGUID(SDL_Joystick *joystick); ``` ## Function Parameters | | | | ---------------- | ------------------------------------------------------------------------------------- | | **joystick** | the [SDL_Joystick](SDL_Joystick) obtained from [SDL_OpenJoystick](SDL_OpenJoystick)() | ## Return Value Returns the GUID of the given joystick. If called on an invalid index, this function returns a zero GUID; call [SDL_GetError](SDL_GetError)() for more information. ## Remarks This function requires an open joystick. ## Version This function is available since SDL 3.0.0. ## See Also * [SDL_GetJoystickInstanceGUID](SDL_GetJoystickInstanceGUID) * [SDL_GetJoystickGUIDString](SDL_GetJoystickGUIDString) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction)