Man page - sdl_seconds_to_ns(3)

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Manual

SDL_SECONDS_TO_NS(3) SDL3 FUNCTIONS SDL_SECONDS_TO_NS(3)

SDL_SECONDS_TO_NS - Convert seconds to nanoseconds.

Defined in SDL3/SDL_timer.h

#include "SDL3/SDL.h"
#define SDL_SECONDS_TO_NS(S)    (((Uint64)(S)) * SDL_NS_PER_SECOND)

This only converts whole numbers, not fractional seconds.

Returns S, expressed in nanoseconds.

It is safe to call this macro from any thread.

This macro is available since SDL 3.2.0.

SDL 3.2.10 Simple Directmedia Layer