DOKK / manpages / debian 13 / libsdl3-doc / SDL_NS_PER_SECOND.3.en
SDL_NS_PER_SECOND(3) SDL3 FUNCTIONS SDL_NS_PER_SECOND(3)

SDL_NS_PER_SECOND - Number of nanoseconds in a second.

Defined in SDL3/SDL_timer.h

#include "SDL3/SDL.h"
#define SDL_NS_PER_SECOND   1000000000LL

This is always 1000000000.

This macro is available since SDL 3.2.0.

SDL 3.2.10 Simple Directmedia Layer