SDL_GetJoystickPlayerIndexForID - Man Page

#include <SDL3/SDL_joystick.h>

int SDL_GetJoystickPlayerIndexForID(SDL_JoystickID instance_id);

This can be called before any joysticks are opened.

instance_id

the joystick instance ID.

Returns the player index of a joystick, or -1 if it's not available.

This function is available since SDL 3.2.0.

SDL_GetJoystickPlayerIndex(3), SDL_GetJoysticks(3)