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

NAME
SDL_GetGamepadPlayerIndex - Get the player index of an opened gamepad.
SYNOPSIS
#include <SDL3/SDL_gamepad.h>
int SDL_GetGamepadPlayerIndex(SDL_Gamepad *gamepad);
DESCRIPTION
For XInput gamepads this returns the XInput user index.
FUNCTION PARAMETERS
gamepad
the gamepad object to query.
RETURN VALUE
Returns the player index for gamepad, or -1 if it's not available.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
SDL_SetGamepadPlayerIndex(3)
Simple Directmedia Layer SDL 3.2.20 SDL_GetGamepadPlayerIndex(3)