# SDL_ResetHints Reset all hints to the default values. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_hints.h) ## Syntax ```c void SDL_ResetHints(void); ``` ## Remarks This will reset all hints to the value of the associated environment variable, or NULL if the environment isn't set. Callbacks will be called normally with this change. ## Thread Safety It is safe to call this function from any thread. ## Version This function is available since SDL 3.2.0. ## See Also - [SDL_ResetHint](SDL_ResetHint) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryHints](CategoryHints)