NAME

       SDL_AddHintCallback - Add a function to watch a particular hint.

SYNOPSIS

       #include <SDL3/SDL_hints.h>

       bool SDL_AddHintCallback(const char *name, SDL_HintCallback callback, void *userdata);

DESCRIPTION

       The  callback  function  is called _during_ this function, to provide it an initial value, and again each
       time the hint's value changes.

FUNCTION PARAMETERS

       name   the hint to watch.

       callback
              An SDL_HintCallback function that will be called when the hint value changes.

       userdata
              a pointer to pass to the callback function.

RETURN VALUE

       for more information.

THREAD SAFETY

       It is safe to call this function from any thread.

AVAILABILITY

       This function is available since SDL 3.2.0.

SEE ALSO

       SDL_RemoveHintCallback(3)

Simple Directmedia Layer                           SDL 3.2.20                             SDL_AddHintCallback(3)