SDL_DelayNS - Wait a specified number of nanoseconds before returning.

       This function is available since SDL 3.2.0.

       This  function  waits a specified number of nanoseconds before returning. It waits at least the specified
       time, but possibly longer due to OS scheduling.

ns     the number of nanoseconds to delay.

       SDL_DelayNS - Wait a specified number of nanoseconds before returning.

SDL_Delay(3), SDL_DelayPrecise(3)

Simple Directmedia Layer                           SDL 3.2.20                                     SDL_DelayNS(3)

#include<SDL3/SDL_timer.h>voidSDL_DelayNS(Uint64ns);

       It is safe to call this function from any thread.