###### (This is the legacy documentation for stable SDL2, the current stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current development version.) # SDL_WasInit Get a mask of the specified subsystems which are currently initialized. ## Syntax ```c Uint32 SDL_WasInit(Uint32 flags); ``` ## Function Parameters | | | | ------------- | -------------------------------------------------------------------------------------- | | **flags** | any of the flags used by [SDL_Init](SDL_Init)(); see [SDL_Init](SDL_Init) for details. | ## Return Value Returns a mask of all initialized subsystems if `flags` is 0, otherwise it returns the initialization status of the specified subsystems. The return value does not include [SDL_INIT_NOPARACHUTE](SDL_INIT_NOPARACHUTE). ## Version This function is available since SDL 2.0.0. ## Related Functions * [SDL_Init](SDL_Init) * [SDL_InitSubSystem](SDL_InitSubSystem) ---- [CategoryAPI](CategoryAPI), [CategoryInit](CategoryInit)