/*
 * Written by Dmitry V. Levin and placed in the public domain.
 *
 * There's absolutely no warranty.
 */

#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif

#include <stdio.h>
#include <errno.h>
#include <error.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/timex.h>

int
main (int argc, const char **argv)
{
	struct timex t;

	memset (&t, 0, sizeof t);
	if (adjtimex (&t) < 0)
		error (EXIT_FAILURE, errno, "adjtimex");
	return !(t.status & STA_UNSYNC);
}