using System;
using System.Runtime.InteropServices;

class X
{
	[DllImport ("libc.6.so")]
	static extern int gettimeofday (ref timeval tv, ref timezone tz);

	static void Main ()
	{
		timeval t = null;
		timezone z = null;
		gettimeofday (ref t, ref z);
		
		Console.WriteLine (t.tv_sec);
	}
	
	struct timeval {
		public int tv_sec;
		public int tv_usec;
	}
	
	struct timezone {
		int tz_minuteswest;
		int tz_dsttime;
	}
}