SDL_HINT_MAIN_CALLBACK_RATE - Request SDL_AppIterate() be called at a specific rate.

       This hint is available since SDL 3.2.0.

Simple Directmedia Layer                           SDL 3.2.20                     SDL_HINT_MAIN_CALLBACK_RATE(3)

       If this is set to a number, it represents Hz, so "60" means try to iterate 60 times per second. "0" means
       to  iterate  as fast as possible. Negative values are illegal, but reserved, in case they are useful in a
       future revision of SDL.

       There are other strings that have special meaning. If set to  "waitevent",  SDL_AppIterate  will  not  be
       called until new event(s) have arrived (and been processed by SDL_AppEvent).  This can be useful for apps
       that are completely idle except in response to input.

       On some platforms, or if you are using SDL_main instead of SDL_AppIterate, this hint is ignored. When the
       hint can be used, it is allowed to be changed at any time.

       This defaults to 0, and specifying NULL for the hint's value will restore the default.

       This hint can be set anytime.

       SDL_HINT_MAIN_CALLBACK_RATE - Request SDL_AppIterate() be called at a specific rate.

#include<SDL3/SDL_hints.h>#defineSDL_HINT_MAIN_CALLBACK_RATE"SDL_MAIN_CALLBACK_RATE"