The window for which the animation callback should be set.
The number of frames after which **callback** will be called.
The function to call for every frame.
A pointer that is passed to callback.
true on success or false on failure; call SDL_GetError() for more information.
Use this function to set the animation callback on Apple iOS.
The function prototype for callback is:
Where its parameter, callbackParam, is what was passed as callbackParam to SDL_SetiOSAnimationCallback().
This function is only available on Apple iOS.
For more information see:
https://wiki.libsdl.org/SDL3/README-ios
Note that if you use the "main callbacks" instead of a standard C main function, you don't have to use this API, as SDL will manage this for you.
Details on main callbacks are here:
https://wiki.libsdl.org/SDL3/README-main-functions