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

NAME
SDL_OpenJoystick - Open a joystick for use.
HEADER FILE
Defined in SDL3/SDL_joystick.h
SYNOPSIS
#include "SDL3/SDL.h" SDL_Joystick * SDL_OpenJoystick(SDL_JoystickID instance_id);
DESCRIPTION
The joystick subsystem must be initialized before a joystick can be opened for use.
FUNCTION PARAMETERS
instance_id the joystick instance ID.
RETURN VALUE
( SDL_Joystick *) Returns a joystick identifier or NULL on failure; call SDL_GetError () for more information.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
•(3), SDL_CloseJoystick(3) Simple Directmedia Layer SDL 3.2.8 SDL_OpenJoystick(3)