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

NAME
SDL_GetJoystickID - Get the instance ID of an opened joystick.
SYNOPSIS
#include <SDL3/SDL_joystick.h>
SDL_JoystickID SDL_GetJoystickID(SDL_Joystick *joystick);
FUNCTION PARAMETERS
joystick
an SDL_Joystick structure containing joystick information.
RETURN VALUE
Returns the instance ID of the specified joystick on success or 0 on failure; call SDL_GetError() for
more information.
AVAILABILITY
This function is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_GetJoystickID(3)