Returns whether the surface has a color key.
Defined in <SDL3/SDL_surface.h>
bool SDL_SurfaceHasColorKey(SDL_Surface *surface);| SDL_Surface * | surface | the SDL_Surface structure to query. | 
(bool) Returns true if the surface has a color key, false otherwise.
It is safe to pass a NULL surface here; it will return false.
It is safe to call this function from any thread.
This function is available since SDL 3.2.0.