Function tzset

localtime.c:1976–1987

}
#endif

#if !USE_TIMEX_T

void
tzset(void)
{
  monotime_t now = get_monotonic_time();
  int err = lock();
  if (0 < err) {
    errno = err;
    return;
  }
  tzset_unlocked(!err, false, now);
  unlock(!err);
}