# SDL_JoystickDetachVirtual Detach a virtual joystick. ## Header File Defined in [SDL_joystick.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_joystick.h) ## Syntax ```c int SDL_JoystickDetachVirtual(int device_index); ``` ## Function Parameters | | | | | --- | ---------------- | ------------------------------------------------------------------------------------------ | | int | **device_index** | a value previously returned from [SDL_JoystickAttachVirtual](SDL_JoystickAttachVirtual)(). | ## Return Value (int) Returns 0 on success, or -1 if an error occurred. ## Version This function is available since SDL 2.0.14. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryJoystick](CategoryJoystick)