// 1 filename:cpp2011-18-5.cpp
// ver 0.1 June.12, 2014
//
// 2 original examples and/or notes:
// (c) ISO/IEC JTC1 SC22 WG21 N3242, April 12, 2011
// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3242.pdf
// >18 Language support library 18.5 Start and termination
//
// 3 compile and output mechanism:
// (c) Dr. OGAWA Kiyoshi, kaizen at gifu-u.ac.jp,
//
// 4 compile errors and/or warnings:
// 4.1(c) Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
// Target: x86_64-apple-darwin13.2.0,  Thread model: posix
// Command/Options: c++ -std=c++11 -stdlib=libc++ -Wall cpp2011-18-5.cpp 
// (c) LLVM 2003-2009 University of Illinois at Urbana-Champaign.

// 4.2. g++-4.9 (GCC) 4.9.0 20131229 (experimental)
// Copyright (C) 2013 Free Software Foundation, Inc.
// This is free software; see the source for copying conditions.  
// There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// http://gcc.gnu.org/onlinedocs/gcc/Standards.html
// Command/Options: g++-4.9  -std=c++11  -Wall cpp2011-18-5.cpp 
// g++-4.9: error: unrecognized command line option '-stdlib=libc++'
// Configuration:brew install gcc49
//
// 4.3. Visual Studio Express 2013, 
// (c) Microsoft http://www.visualstudio.com/
// SPEC:
// Windows 7, .NET Framework
// (c) VMware, Inc.
// VMWare fusion 6
//
// 5. Hardware:  MacBook Pro, 
//(c) Intel http://ark.intel.com/products/37006/
//Core 2 Duo 2.53GHz, 8GB, 1067MHz DDR3
//
// 6. Special Thanks: Upper organizatios and 
// ITSCJ/IPSJ http://www.itscj.ipsj.or.jp/itscj_english/index.html
// Renesas Electronics Corporation.http://www.renesas.com/
// NPO SESSAME project, http://www.sessame.jp/workinggroup/WorkingGroup3/
// Toyo Corporation, http://www.toyo.co.jp/English/
// Japan Standard Association, http://bit.ly/1lzykg1
// NPO TOPPERS project, https://www.toppers.jp/asp-d-download.html
// Daido Universcity, http://www.daido-it.ac.jp/gakubugakka/computer/index.html
// WITZ Co.Ltd., http://www.witz-inc.co.jp/products/solution/solution.html
// SevenWise.co., http://www.7ws.co.jp/index.html
// TOYOTA Motor Corporation, http://toyota.jp/
// IT planning Inc., http://www.itpl.co.jp/en/index.html
// DENSO Corporation, http://www.globaldenso.com/en/
// Aisin Seiki co. Ltd., http://www.aisin.com/
// Spancion Inc., http://www.spansion.com/
// Yazaki Corporation, http://www.yazaki-group.com/global/
// Pananosic Corporation, http://www.panasonic.net/
// SWEST: Summer Workshop on Embedded System Technologies , http://swest.toppers.jp
// CEST: Consortium for Embedded System Technology, http://www.ertl.jp/CEST/
// JUSE: Union of Japanese Scientists and Engineers, http://www.juse.or.jp/e/
// OSC:Open Source Conference, http://www.ospn.jp/

#include <iostream>
//#include <cstdlib>
#include <string.h>
#include <cstring>
#include <type_traits>
#include <cassert>
#include <array>
#include <algorithm>
#include <cmath>
#include <complex>
//#include <ccomplex>
//#include <assert.h>
//#include <utility>
//#include <iosfwd>
#include <iterator>
#include <limits>
#include <cstdint>

using namespace std;

[[noreturn]] void _Exit(int status) noexcept;
//
[[noreturn]] void abort(void) noexcept;
//
 extern "C" int atexit(void (*f)(void)) noexcept;
//error: extern "C++" int atexit(void (*f)(void)) noexcept;// error: conflicting declaration of 'int atexit(void (*)())' with 'C++' linkage
//
 [[noreturn]] void exit(int status);
 //
 //error: extern "C" int at_quick_exit(void (*f)(void)) noexcept;//error: conflicting declaration of 'int at_quick_exit(void (*)())' with 'C++' linkage
extern "C++" int at_quick_exit(void (*f)(void)) noexcept;
//
[[noreturn]] void quick_exit(int status) noexcept;
//
int main() {

	cout << "18 Language support library 18.5 Start and termination"<<std::endl;	
	return 0;
}
// 1. error
// 1.1 llvm: c++ -std=c++11 -stdlib=libc++ -Wall cpp2011-18-5.cpp
cpp2011-18-5.cpp:80:3: error: function declared '[[noreturn]]' after its first declaration
[[noreturn]] void _Exit(int status) noexcept;
  ^
/usr/include/stdlib.h:182:6: note: declaration missing '[[noreturn]]' attribute is here
void    _Exit(int) __dead2;
        ^
cpp2011-18-5.cpp:80:19: error: exception specification in declaration does not match previous declaration
[[noreturn]] void _Exit(int status) noexcept;
                  ^
/usr/include/stdlib.h:182:6: note: previous declaration is here
void    _Exit(int) __dead2;
        ^
cpp2011-18-5.cpp:82:3: error: function declared '[[noreturn]]' after its first declaration
[[noreturn]] void abort(void) noexcept;
  ^
/usr/include/stdlib.h:128:7: note: declaration missing '[[noreturn]]' attribute is here
void     abort(void) __dead2;
         ^
cpp2011-18-5.cpp:82:19: error: exception specification in declaration does not match previous declaration
[[noreturn]] void abort(void) noexcept;
                  ^
/usr/include/stdlib.h:128:7: note: previous declaration is here
void     abort(void) __dead2;
         ^
cpp2011-18-5.cpp:84:17: error: exception specification in declaration does not match previous declaration
 extern "C" int atexit(void (*f)(void)) noexcept;
                ^
/usr/include/stdlib.h:130:6: note: previous declaration is here
int      atexit(void (*)(void));
         ^
cpp2011-18-5.cpp:87:4: error: function declared '[[noreturn]]' after its first declaration
 [[noreturn]] void exit(int status);
   ^
/usr/include/stdlib.h:142:7: note: declaration missing '[[noreturn]]' attribute is here
void     exit(int) __dead2;
         ^
>>6 errors generated.
// 1.2 gcc no error @ g++-4.9 -std=c++11 -Wall cpp2011-18-5.cpp
// 2. output
//18 Language support library 18.5 Start and termination