###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_OpenJoystick Open a joystick for use. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_joystick.h) ## Syntax ```c SDL_Joystick * SDL_OpenJoystick(SDL_JoystickID instance_id); ``` ## Function Parameters | | | | | -------------------------------- | --------------- | ------------------------- | | [SDL_JoystickID](SDL_JoystickID) | **instance_id** | the joystick instance ID. | ## Return Value ([SDL_Joystick](SDL_Joystick) *) Returns a joystick identifier or NULL on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Remarks The joystick subsystem must be initialized before a joystick can be opened for use. ## Version This function is available since SDL 3.1.3. ## See Also - [SDL_CloseJoystick](SDL_CloseJoystick) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryJoystick](CategoryJoystick)