-#ifndef _UTIL_H_
-#define _UTIL_H_ 1
-
-#include <boost/version.hpp>
-
-#if BOOST_VERSION <= 103500
-#include <boost/thread.hpp>
-#include <boost/thread/mutex.hpp>
-#include <boost/bind.hpp>
-#include <asio.hpp>
-#include <asio/buffer.hpp>
-//typedef boost::condition condition_variable ;
-//typedef boost::detail::thread::scoped_lock<boost::mutex> scoped_lock;
-using asio::ip::tcp;
-using asio::error_code;
-using asio::buffers_begin;
-namespace syserr=asio;
-#else
-#if BOOST_VERSION < 104000
-#include <boost/asio.hpp>
-#include <boost/thread/mutex.hpp>
-#include <boost/bind.hpp>
-using boost::asio::ip::tcp;
-using boost::system::error_code;
-using boost::system::system_error;
-namespace syserr=boost::system;
-#else
-#include <boost/asio.hpp>
-#include <boost/thread/mutex.hpp>
-using boost::asio::ip::tcp;
-using boost::system::error_code;
-using boost::system::system_error;
-namespace syserr=boost::system;
-#endif
-#endif
-
-#endif