text: /* ISC license. */
  
  #include <time.h>
  #include <skalibs/tai.h>
  
  int tain_from_timespec_sysclock (tain_t *t, struct timespec const *ts)
  {
    if (!tai_from_time_sysclock(&t->sec, ts->tv_sec)) return 0 ;
    t->nano = ts->tv_nsec ;
    return 1 ;
  }
  