Provided by: libsdl3-doc_3.2.28+ds-1_all 

NAME
SDL_GetJoystickGUID - Get the implementation-dependent GUID for the joystick.
SYNOPSIS
#include <SDL3/SDL_joystick.h>
SDL_GUID SDL_GetJoystickGUID(SDL_Joystick *joystick);
DESCRIPTION
This function requires an open joystick.
FUNCTION PARAMETERS
joystick
the SDL_Joystick obtained from 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() for more information.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
SDL_GetJoystickGUIDForID(3), SDL_GUIDToString(3)
Simple Directmedia Layer SDL 3.2.28 SDL_GetJoystickGUID(3)