Provided by: libsdl3-doc_3.2.8+ds-1_all 

NAME
SDL_GetJoystickPlayerIndex - Get the player index of an opened joystick.
HEADER FILE
Defined in SDL3/SDL_joystick.h
SYNOPSIS
#include "SDL3/SDL.h" int SDL_GetJoystickPlayerIndex(SDL_Joystick *joystick);
DESCRIPTION
For XInput controllers this returns the XInput user index. Many joysticks will not be able to supply this information.
FUNCTION PARAMETERS
joystick the SDL_Joystick obtained from SDL_OpenJoystick ().
RETURN VALUE
Returns the player index, or -1 if it's not available.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
•(3), SDL_SetJoystickPlayerIndex(3) Simple Directmedia Layer SDL 3.2.8 SDL_GetJoystickPlayerIndex(3)