Provided by: libsdl3-doc_3.2.8+ds-1_all 

NAME
SDL_GetCurrentTime - Gets the current value of the system realtime clock in nanoseconds since Jan 1, 1970 in Universal Coordinated Time (UTC).
HEADER FILE
Defined in SDL3/SDL_time.h
SYNOPSIS
#include "SDL3/SDL.h" bool SDL_GetCurrentTime(SDL_Time *ticks);
FUNCTION PARAMETERS
ticks the SDL_Time to hold the returned tick count.
RETURN VALUE
Returns true on success or false on failure; call SDL_GetError () for more information.
AVAILABILITY
This function is available since SDL 3.2.0. Simple Directmedia Layer SDL 3.2.8 SDL_GetCurrentTime(3)