# SDL_GetRenderWindow Get the window associated with a renderer. ## Header File Defined in [<SDL3/SDL_render.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_render.h) ## Syntax ```c SDL_Window * SDL_GetRenderWindow(SDL_Renderer *renderer); ``` ## Function Parameters | | | | | ------------------------------ | ------------ | ---------------------- | | [SDL_Renderer](SDL_Renderer) * | **renderer** | the renderer to query. | ## Return Value ([SDL_Window](SDL_Window) *) Returns the window on success or NULL on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Thread Safety It is safe to call this function from any thread. ## Version This function is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryRender](CategoryRender)