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

NAME
SDL_GetGamepadSteamHandle - Get the Steam Input handle of an opened gamepad, if available.
SYNOPSIS
#include <SDL3/SDL_gamepad.h>
Uint64 SDL_GetGamepadSteamHandle(SDL_Gamepad *gamepad);
DESCRIPTION
Returns an InputHandle_t for the gamepad that can be used with Steam Input API:
https://partner.steamgames.com/doc/api/ISteamInput
FUNCTION PARAMETERS
gamepad
the gamepad object to query.
RETURN VALUE
Returns the gamepad handle, or 0 if unavailable.
AVAILABILITY
This function is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_GetGamepadSteamHandle(3)