boost_has_unistd_h.ipp

C++的一个好库。。。现在很流行

//  (C) Copyright John Maddock 2001. 
//  Use, modification and distribution are subject to the 
//  Boost Software License, Version 1.0. (See accompanying file 
//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

//  See http://www.boost.org/libs/config for most recent version.

//  MACRO:         BOOST_HAS_UNISTD_H
//  TITLE:         <unistd.h>
//  DESCRIPTION:   The Platform provides <unistd.h>.

#include <unistd.h>

namespace boost_has_unistd_h{

int test()
{
   return 0;
}

}