Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

18 files changed, 2205 insertions, 0 deletions

diff --git a/gcc-4.9/libstdc++-v3/include/c_std/cassert b/gcc-4.9/libstdc++-v3/include/c_std/cassert
new file mode 100644
index 0000000..2e91387
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/cassert
@@ -0,0 +1,43 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file cassert
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c assert.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 19.2  Assertions
+//
+
+// No include guards on this header...
+
+#pragma GCC system_header
+
+#include <assert.h>
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/cctype b/gcc-4.9/libstdc++-v3/include/c_std/cctype
new file mode 100644
index 0000000..acc3c2c
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/cctype
@@ -0,0 +1,79 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file include/cctype
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c ctype.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: <ccytpe>
+//
+
+#ifndef _GLIBCXX_CCTYPE
+#define _GLIBCXX_CCTYPE 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+#include <ctype.h>
+
+// Get rid of those macros defined in <ctype.h> in lieu of real functions.
+#undef isalnum
+#undef isalpha
+#undef iscntrl
+#undef isdigit
+#undef isgraph
+#undef islower
+#undef isprint
+#undef ispunct
+#undef isspace
+#undef isupper
+#undef isxdigit
+#undef tolower
+#undef toupper
+
+namespace std
+{
+  using ::isalnum;
+  using ::isalpha;
+  using ::iscntrl;
+  using ::isdigit;
+  using ::isgraph;
+  using ::islower;
+  using ::isprint;
+  using ::ispunct;
+  using ::isspace;
+  using ::isupper;
+  using ::isxdigit;
+  using ::tolower;
+  using ::toupper;
+} // namespace std
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/cerrno b/gcc-4.9/libstdc++-v3/include/c_std/cerrno
new file mode 100644
index 0000000..5271837
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/cerrno
@@ -0,0 +1,51 @@
+// The -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file cerrno
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c errno.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 19.3  Error numbers
+//
+
+#ifndef _GLIBCXX_CERRNO
+#define _GLIBCXX_CERRNO 1
+
+#pragma GCC system_header
+
+#include <errno.h>
+
+// Adhere to section 17.4.1.2 clause 5 of ISO 14882:1998
+#ifndef errno
+#define errno errno
+#endif
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/cfloat b/gcc-4.9/libstdc++-v3/include/c_std/cfloat
new file mode 100644
index 0000000..a792462
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/cfloat
@@ -0,0 +1,46 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file include/cfloat
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c float.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 18.2.2  Implementation properties: C library
+//
+
+#ifndef _GLIBCXX_CFLOAT
+#define _GLIBCXX_CFLOAT 1
+
+#pragma GCC system_header
+
+#include <float.h>
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/ciso646 b/gcc-4.9/libstdc++-v3/include/c_std/ciso646
new file mode 100644
index 0000000..7374919
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/ciso646
@@ -0,0 +1,33 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 2001-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file ciso646
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c iso646.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/climits b/gcc-4.9/libstdc++-v3/include/c_std/climits
new file mode 100644
index 0000000..d0cd631
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/climits
@@ -0,0 +1,46 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file include/climits
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c limits.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 18.2.2  Implementation properties: C library
+//
+
+#ifndef _GLIBCXX_CLIMITS
+#define _GLIBCXX_CLIMITS 1
+
+#pragma GCC system_header
+
+#include <limits.h>
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/clocale b/gcc-4.9/libstdc++-v3/include/c_std/clocale
new file mode 100644
index 0000000..e653ae2
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/clocale
@@ -0,0 +1,58 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file clocale
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c locale.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 18.2.2  Implementation properties: C library
+//
+
+#ifndef _GLIBCXX_CLOCALE
+#define _GLIBCXX_CLOCALE 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+#include <locale.h>
+
+// Get rid of those macros defined in <locale.h> in lieu of real functions.
+#undef setlocale
+#undef localeconv
+
+namespace std
+{
+  using ::lconv;
+  using ::setlocale;
+  using ::localeconv;
+} // namespace std
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/cmath b/gcc-4.9/libstdc++-v3/include/c_std/cmath
new file mode 100644
index 0000000..ccd5c0e
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/cmath
@@ -0,0 +1,591 @@
+// -*- C++ -*- C forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file include/cmath
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c math.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 26.5  C library
+//
+
+#ifndef _GLIBCXX_CMATH
+#define _GLIBCXX_CMATH 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+#include <bits/cpp_type_traits.h>
+#include <ext/type_traits.h>
+
+#include <math.h>
+
+// Get rid of those macros defined in <math.h> in lieu of real functions.
+#undef abs
+#undef div
+#undef acos
+#undef asin
+#undef atan
+#undef atan2
+#undef ceil
+#undef cos
+#undef cosh
+#undef exp
+#undef fabs
+#undef floor
+#undef fmod
+#undef frexp
+#undef ldexp
+#undef log
+#undef log10
+#undef modf
+#undef pow
+#undef sin
+#undef sinh
+#undef sqrt
+#undef tan
+#undef tanh
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  inline double
+  abs(double __x)
+  { return __builtin_fabs(__x); }
+
+  inline float
+  abs(float __x)
+  { return __builtin_fabsf(__x); }
+
+  inline long double
+  abs(long double __x)
+  { return __builtin_fabsl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    abs(_Tp __x)
+    { return __builtin_fabs(__x); }
+
+  using ::acos;
+
+  inline float
+  acos(float __x)
+  { return __builtin_acosf(__x); }
+
+  inline long double
+  acos(long double __x)
+  { return __builtin_acosl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    acos(_Tp __x)
+    { return __builtin_acos(__x); }
+
+  using ::asin;
+
+  inline float
+  asin(float __x)
+  { return __builtin_asinf(__x); }
+
+  inline long double
+  asin(long double __x)
+  { return __builtin_asinl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
+					   double>::__type
+    asin(_Tp __x)
+    { return __builtin_asin(__x); }
+
+  using ::atan;
+
+  inline float
+  atan(float __x)
+  { return __builtin_atanf(__x); }
+
+  inline long double
+  atan(long double __x)
+  { return __builtin_atanl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    atan(_Tp __x)
+    { return __builtin_atan(__x); }
+
+  using ::atan2;
+
+  inline float
+  atan2(float __y, float __x)
+  { return __builtin_atan2f(__y, __x); }
+
+  inline long double
+  atan2(long double __y, long double __x)
+  { return __builtin_atan2l(__y, __x); }
+
+  template<typename _Tp, typename _Up>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value
+    					   && __is_integer<_Up>::__value, 
+					   double>::__type
+    atan2(_Tp __y, _Up __x)
+    { return __builtin_atan2(__y, __x); }
+
+  using ::ceil;
+
+  inline float
+  ceil(float __x)
+  { return __builtin_ceilf(__x); }
+
+  inline long double
+  ceil(long double __x)
+  { return __builtin_ceill(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    ceil(_Tp __x)
+    { return __builtin_ceil(__x); }
+
+  using ::cos;
+
+  inline float
+  cos(float __x)
+  { return __builtin_cosf(__x); }
+
+  inline long double
+  cos(long double __x)
+  { return __builtin_cosl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    cos(_Tp __x)
+    { return __builtin_cos(__x); }
+
+  using ::cosh;
+
+  inline float
+  cosh(float __x)
+  { return __builtin_coshf(__x); }
+
+  inline long double
+  cosh(long double __x)
+  { return __builtin_coshl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    cosh(_Tp __x)
+    { return __builtin_cosh(__x); }
+
+  using ::exp;
+
+  inline float
+  exp(float __x)
+  { return __builtin_expf(__x); }
+
+  inline long double
+  exp(long double __x)
+  { return __builtin_expl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    exp(_Tp __x)
+    { return __builtin_exp(__x); }
+
+  using ::fabs;
+
+  inline float
+  fabs(float __x)
+  { return __builtin_fabsf(__x); }
+
+  inline long double
+  fabs(long double __x)
+  { return __builtin_fabsl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    fabs(_Tp __x)
+    { return __builtin_fabs(__x); }
+
+  using ::floor;
+
+  inline float
+  floor(float __x)
+  { return __builtin_floorf(__x); }
+
+  inline long double
+  floor(long double __x)
+  { return __builtin_floorl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    floor(_Tp __x)
+    { return __builtin_floor(__x); }
+
+  using ::fmod;
+
+  inline float
+  fmod(float __x, float __y)
+  { return __builtin_fmodf(__x, __y); }
+
+  inline long double
+  fmod(long double __x, long double __y)
+  { return __builtin_fmodl(__x, __y); }
+
+  template<typename _Tp, typename _Up>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value
+    					   && __is_integer<_Up>::__value, 
+					   double>::__type
+    fmod(_Tp __x, _Up __y)
+    { return __builtin_fmod(__x, __y); }
+
+  using ::frexp;
+
+  inline float
+  frexp(float __x, int* __exp)
+  { return __builtin_frexpf(__x, __exp); }
+
+  inline long double
+  frexp(long double __x, int* __exp)
+  { return __builtin_frexpl(__x, __exp); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    frexp(_Tp __x, int* __exp)
+    { return __builtin_frexp(__x, __exp); }
+
+  using ::ldexp;
+
+  inline float
+  ldexp(float __x, int __exp)
+  { return __builtin_ldexpf(__x, __exp); }
+
+  inline long double
+  ldexp(long double __x, int __exp)
+  { return __builtin_ldexpl(__x, __exp); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    ldexp(_Tp __x, int __exp)
+    { return __builtin_ldexp(__x, __exp); }
+
+  using ::log;
+
+  inline float
+  log(float __x)
+  { return __builtin_logf(__x); }
+
+  inline long double
+  log(long double __x)
+  { return __builtin_logl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    log(_Tp __x)
+    { return __builtin_log(__x); }
+
+  using ::log10;
+
+  inline float
+  log10(float __x)
+  { return __builtin_log10f(__x); }
+
+  inline long double
+  log10(long double __x)
+  { return __builtin_log10l(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    log10(_Tp __x)
+    { return __builtin_log10(__x); }
+
+  using ::modf;
+
+  inline float
+  modf(float __x, float* __iptr)
+  { return __builtin_modff(__x, __iptr); }
+
+  inline long double
+  modf(long double __x, long double* __iptr)
+  { return __builtin_modfl(__x, __iptr); }
+
+  using ::pow;
+
+  inline float
+  pow(float __x, float __y)
+  { return __builtin_powf(__x, __y); }
+
+  inline long double
+  pow(long double __x, long double __y)
+  { return __builtin_powl(__x, __y); }
+
+  inline double
+  pow(double __x, int __i)
+  { return __builtin_powi(__x, __i); }
+
+  inline float
+  pow(float __x, int __n)
+  { return __builtin_powif(__x, __n); }
+
+  inline long double
+  pow(long double __x, int __n)
+  { return __builtin_powil(__x, __n); }
+
+  using ::sin;
+
+  inline float
+  sin(float __x)
+  { return __builtin_sinf(__x); }
+
+  inline long double
+  sin(long double __x)
+  { return __builtin_sinl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    sin(_Tp __x)
+    { return __builtin_sin(__x); }
+
+  using ::sinh;
+
+  inline float
+  sinh(float __x)
+  { return __builtin_sinhf(__x); }
+
+  inline long double
+  sinh(long double __x)
+  { return __builtin_sinhl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    sinh(_Tp __x)
+    { return __builtin_sinh(__x); }
+
+  using ::sqrt;
+
+  inline float
+  sqrt(float __x)
+  { return __builtin_sqrtf(__x); }
+
+  inline long double
+  sqrt(long double __x)
+  { return __builtin_sqrtl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    sqrt(_Tp __x)
+    { return __builtin_sqrt(__x); }
+
+  using ::tan;
+
+  inline float
+  tan(float __x)
+  { return __builtin_tanf(__x); }
+
+  inline long double
+  tan(long double __x)
+  { return __builtin_tanl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    tan(_Tp __x)
+    { return __builtin_tan(__x); }
+
+  using ::tanh;
+
+  inline float
+  tanh(float __x)
+  { return __builtin_tanhf(__x); }
+
+  inline long double
+  tanh(long double __x)
+  { return __builtin_tanhl(__x); }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, 
+					   double>::__type
+    tanh(_Tp __x)
+    { return __builtin_tanh(__x); }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+#if _GLIBCXX_USE_C99_MATH
+#if !_GLIBCXX_USE_C99_FP_MACROS_DYNAMIC
+
+// These are possible macros imported from C99-land.
+#undef fpclassify
+#undef isfinite
+#undef isinf
+#undef isnan
+#undef isnormal
+#undef signbit
+#undef isgreater
+#undef isgreaterequal
+#undef isless
+#undef islessequal
+#undef islessgreater
+#undef isunordered
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+					   int>::__type
+    fpclassify(_Tp __f)
+    {
+      typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+      return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL,
+				  FP_SUBNORMAL, FP_ZERO, __type(__f));
+    }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+					   int>::__type
+    isfinite(_Tp __f)
+    {
+      typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+      return __builtin_isfinite(__type(__f));
+    }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+					   int>::__type
+    isinf(_Tp __f)
+    {
+      typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+      return __builtin_isinf(__type(__f));
+    }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+					   int>::__type
+    isnan(_Tp __f)
+    {
+      typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+      return __builtin_isnan(__type(__f));
+    }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+					   int>::__type
+    isnormal(_Tp __f)
+    {
+      typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+      return __builtin_isnormal(__type(__f));
+    }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+					   int>::__type
+    signbit(_Tp __f)
+    {
+      typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+      return __builtin_signbit(__type(__f));
+    }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+					   int>::__type
+    isgreater(_Tp __f1, _Tp __f2)
+    {
+      typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+      return __builtin_isgreater(__type(__f1), __type(__f2));
+    }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+					   int>::__type
+    isgreaterequal(_Tp __f1, _Tp __f2)
+    {
+      typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+      return __builtin_isgreaterequal(__type(__f1), __type(__f2));
+    }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+					   int>::__type
+    isless(_Tp __f1, _Tp __f2)
+    {
+      typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+      return __builtin_isless(__type(__f1), __type(__f2));
+    }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, 
+					   int>::__type
+    islessequal(_Tp __f1, _Tp __f2)
+    {
+      typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+      return __builtin_islessequal(__type(__f1), __type(__f2));
+    }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+					   int>::__type
+    islessgreater(_Tp __f1, _Tp __f2)
+    {
+      typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+      return __builtin_islessgreater(__type(__f1), __type(__f2));
+    }
+
+  template<typename _Tp>
+    inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+					   int>::__type
+    isunordered(_Tp __f1, _Tp __f2)
+    {
+      typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+      return __builtin_isunordered(__type(__f1), __type(__f2));
+    }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace std
+
+#endif /* _GLIBCXX_USE_C99_FP_MACROS_DYNAMIC */
+#endif
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/csetjmp b/gcc-4.9/libstdc++-v3/include/c_std/csetjmp
new file mode 100644
index 0000000..298cd47
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/csetjmp
@@ -0,0 +1,61 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file csetjmp
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c setjmp.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 20.4.6  C library
+//
+
+#ifndef _GLIBCXX_CSETJMP
+#define _GLIBCXX_CSETJMP 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+#include <setjmp.h>
+
+// Get rid of those macros defined in <setjmp.h> in lieu of real functions.
+#undef longjmp
+
+// Adhere to section 17.4.1.2 clause 5 of ISO 14882:1998
+#ifndef setjmp
+#define setjmp(env) setjmp (env)
+#endif
+
+namespace std
+{
+  using ::jmp_buf;
+  using ::longjmp;
+} // namespace std
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/csignal b/gcc-4.9/libstdc++-v3/include/c_std/csignal
new file mode 100644
index 0000000..839593d
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/csignal
@@ -0,0 +1,57 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file csignal
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c signal.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 20.4.6  C library
+//
+
+#ifndef _GLIBCXX_CSIGNAL
+#define _GLIBCXX_CSIGNAL 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+#include <signal.h>
+
+// Get rid of those macros defined in <signal.h> in lieu of real functions.
+#undef raise
+
+namespace std
+{
+  using ::sig_atomic_t;
+  using ::signal;
+  using ::raise;
+} // namespace std
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/cstdarg b/gcc-4.9/libstdc++-v3/include/c_std/cstdarg
new file mode 100644
index 0000000..08d051c
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/cstdarg
@@ -0,0 +1,57 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file include/cstdarg
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c stdarg.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 20.4.6  C library
+//
+
+#ifndef _GLIBCXX_CSTDARG
+#define _GLIBCXX_CSTDARG 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+#include <stdarg.h>
+
+// Adhere to section 17.4.1.2 clause 5 of ISO 14882:1998
+#ifndef va_end
+#define va_end(ap) va_end (ap)
+#endif
+
+namespace std
+{
+  using ::va_list;
+} // namespace std
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/cstddef b/gcc-4.9/libstdc++-v3/include/c_std/cstddef
new file mode 100644
index 0000000..f4845f0
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/cstddef
@@ -0,0 +1,55 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file cstddef
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c stddef.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 18.1  Types
+//
+
+#ifndef _GLIBCXX_CSTDDEF
+#define _GLIBCXX_CSTDDEF 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+#include <stddef.h>
+
+#if __cplusplus >= 201103L
+namespace std
+{
+  // We handle size_t, ptrdiff_t, and nullptr_t in c++config.h.
+  using ::max_align_t;
+}
+#endif
+
+#endif // _GLIBCXX_CSTDDEF
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/cstdio b/gcc-4.9/libstdc++-v3/include/c_std/cstdio
new file mode 100644
index 0000000..9434da6
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/cstdio
@@ -0,0 +1,192 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file include/cstdio
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c stdio.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 27.8.2  C Library files
+//
+
+#ifndef _GLIBCXX_CSTDIO
+#define _GLIBCXX_CSTDIO 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+#include <stdio.h>
+
+#ifndef _GLIBCXX_HAVE_GETS
+extern "C" char* gets (char* __s) __attribute__((deprecated));
+#endif
+
+// Get rid of those macros defined in <stdio.h> in lieu of real functions.
+#undef clearerr
+#undef fclose
+#undef feof
+#undef ferror
+#undef fflush
+#undef fgetc
+#undef fgetpos
+#undef fgets
+#undef fopen
+#undef fprintf
+#undef fputc
+#undef fputs
+#undef fread
+#undef freopen
+#undef fscanf
+#undef fseek
+#undef fsetpos
+#undef ftell
+#undef fwrite
+#undef getc
+#undef getchar
+#if __cplusplus <= 201103L
+# undef gets
+#endif
+#undef perror
+#undef printf
+#undef putc
+#undef putchar
+#undef puts
+#undef remove
+#undef rename
+#undef rewind
+#undef scanf
+#undef setbuf
+#undef setvbuf
+#undef sprintf
+#undef sscanf
+#undef tmpfile
+#undef tmpnam
+#undef ungetc
+#undef vfprintf
+#undef vprintf
+#undef vsprintf
+
+namespace std
+{
+  using ::FILE;
+  using ::fpos_t;
+
+  using ::clearerr;
+  using ::fclose;
+  using ::feof;
+  using ::ferror;
+  using ::fflush;
+  using ::fgetc;
+  using ::fgetpos;
+  using ::fgets;
+  using ::fopen;
+  using ::fprintf;
+  using ::fputc;
+  using ::fputs;
+  using ::fread;
+  using ::freopen;
+  using ::fscanf;
+  using ::fseek;
+  using ::fsetpos;
+  using ::ftell;
+  using ::fwrite;
+  using ::getc;
+  using ::getchar;
+#if __cplusplus <= 201103L
+  // LWG 2249
+  using ::gets;
+#endif
+  using ::perror;
+  using ::printf;
+  using ::putc;
+  using ::putchar;
+  using ::puts;
+  using ::remove;
+  using ::rename;
+  using ::rewind;
+  using ::scanf;
+  using ::setbuf;
+  using ::setvbuf;
+  using ::sprintf;
+  using ::sscanf;
+  using ::tmpfile;
+  using ::tmpnam;
+  using ::ungetc;
+  using ::vfprintf;
+  using ::vprintf;
+  using ::vsprintf;
+} // namespace std
+
+#if _GLIBCXX_USE_C99
+
+#undef snprintf
+#undef vfscanf
+#undef vscanf
+#undef vsnprintf
+#undef vsscanf
+
+namespace __gnu_cxx
+{
+#if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
+  extern "C" int
+  (snprintf)(char * __restrict, std::size_t, const char * __restrict, ...)
+  throw ();
+  extern "C" int
+  (vfscanf)(FILE * __restrict, const char * __restrict, __gnuc_va_list);
+  extern "C" int (vscanf)(const char * __restrict, __gnuc_va_list);
+  extern "C" int
+  (vsnprintf)(char * __restrict, std::size_t, const char * __restrict,
+	      __gnuc_va_list) throw ();
+  extern "C" int
+  (vsscanf)(const char * __restrict, const char * __restrict, __gnuc_va_list)
+  throw ();
+#endif
+
+#if !_GLIBCXX_USE_C99_DYNAMIC
+  using ::snprintf;
+  using ::vfscanf;
+  using ::vscanf;
+  using ::vsnprintf;
+  using ::vsscanf;
+#endif
+} // namespace __gnu_cxx
+
+namespace std
+{
+  using ::__gnu_cxx::snprintf;
+  using ::__gnu_cxx::vfscanf;
+  using ::__gnu_cxx::vscanf;
+  using ::__gnu_cxx::vsnprintf;
+  using ::__gnu_cxx::vsscanf;
+} // namespace std
+
+#endif
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/cstdlib b/gcc-4.9/libstdc++-v3/include/c_std/cstdlib
new file mode 100644
index 0000000..7f0d9b2
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/cstdlib
@@ -0,0 +1,258 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file include/cstdlib
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c stdlib.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 20.4.6  C library
+//
+
+#ifndef _GLIBCXX_CSTDLIB
+#define _GLIBCXX_CSTDLIB 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+
+#if !_GLIBCXX_HOSTED
+// The C standard does not require a freestanding implementation to
+// provide <stdlib.h>.  However, the C++ standard does still require
+// <cstdlib> -- but only the functionality mentioned in
+// [lib.support.start.term].
+
+#define EXIT_SUCCESS 0
+#define EXIT_FAILURE 1
+
+namespace std
+{
+  extern "C" void abort(void) throw () _GLIBCXX_NORETURN;
+  extern "C" int atexit(void (*)(void)) throw ();
+  extern "C" void exit(int) throw () _GLIBCXX_NORETURN;
+#if __cplusplus >= 201103L
+# ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT
+  extern "C" int at_quick_exit(void (*)(void)) throw ();
+# endif
+# ifdef _GLIBCXX_HAVE_QUICK_EXIT
+  extern "C" void quick_exit(int) throw() _GLIBCXX_NORETURN;
+# endif
+#endif
+} // namespace
+
+#else
+
+#include <stdlib.h>
+
+// Get rid of those macros defined in <stdlib.h> in lieu of real functions.
+#undef abort
+#undef abs
+#undef atexit
+#if __cplusplus >= 201103L
+# ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT
+#  undef at_quick_exit
+# endif
+#endif
+#undef atof
+#undef atoi
+#undef atol
+#undef bsearch
+#undef calloc
+#undef div
+#undef exit
+#undef free
+#undef getenv
+#undef labs
+#undef ldiv
+#undef malloc
+#undef mblen
+#undef mbstowcs
+#undef mbtowc
+#undef qsort
+#if __cplusplus >= 201103L
+# ifdef _GLIBCXX_HAVE_QUICK_EXIT
+#  undef quick_exit
+# endif
+#endif
+#undef rand
+#undef realloc
+#undef srand
+#undef strtod
+#undef strtol
+#undef strtoul
+#undef system
+#undef wcstombs
+#undef wctomb
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  using ::div_t;
+  using ::ldiv_t;
+
+  using ::abort;
+  using ::abs;
+  using ::atexit;
+#if __cplusplus >= 201103L
+# ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT
+  using ::at_quick_exit;
+# endif
+#endif
+  using ::atof;
+  using ::atoi;
+  using ::atol;
+  using ::bsearch;
+  using ::calloc;
+  using ::div;
+  using ::exit;
+  using ::free;
+  using ::getenv;
+  using ::labs;
+  using ::ldiv;
+  using ::malloc;
+#ifdef _GLIBCXX_HAVE_MBSTATE_T
+  using ::mblen;
+  using ::mbstowcs;
+  using ::mbtowc;
+#endif // _GLIBCXX_HAVE_MBSTATE_T
+  using ::qsort;
+#if __cplusplus >= 201103L
+# ifdef _GLIBCXX_HAVE_QUICK_EXIT
+  using ::quick_exit;
+# endif
+#endif
+  using ::rand;
+  using ::realloc;
+  using ::srand;
+  using ::strtod;
+  using ::strtol;
+  using ::strtoul;
+  using ::system;
+#ifdef _GLIBCXX_USE_WCHAR_T
+  using ::wcstombs;
+  using ::wctomb;
+#endif // _GLIBCXX_USE_WCHAR_T
+
+  inline long
+  abs(long __i) { return __builtin_labs(__i); }
+
+#ifdef _GLIBCXX_USE_LONG_LONG
+  inline long long
+  abs(long long __x) { return __builtin_llabs (__x); }
+#endif
+
+#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_INT128)
+  inline __int128
+  abs(__int128 __x) { return __x >= 0 ? __x : -__x; }
+#endif
+
+  inline ldiv_t
+  div(long __i, long __j) { return ldiv(__i, __j); }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+#if _GLIBCXX_USE_C99
+
+#undef _Exit
+#undef llabs
+#undef lldiv
+#undef atoll
+#undef strtoll
+#undef strtoull
+#undef strtof
+#undef strtold
+
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
+  using ::lldiv_t;
+#endif
+#if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
+  extern "C" void (_Exit)(int) throw () _GLIBCXX_NORETURN;
+#endif
+#if !_GLIBCXX_USE_C99_DYNAMIC
+  using ::_Exit;
+#endif
+
+#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
+  using ::llabs;
+
+  inline lldiv_t
+  div(long long __n, long long __d)
+  { lldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; }
+
+  using ::lldiv;
+#endif
+
+#if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
+  extern "C" long long int (atoll)(const char *) throw ();
+  extern "C" long long int
+    (strtoll)(const char * __restrict, char ** __restrict, int) throw ();
+  extern "C" unsigned long long int
+    (strtoull)(const char * __restrict, char ** __restrict, int) throw ();
+#endif
+#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
+  using ::atoll;
+  using ::strtoll;
+  using ::strtoull;
+#endif
+  using ::strtof;
+  using ::strtold;
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace __gnu_cxx
+
+namespace std
+{
+#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
+  using ::__gnu_cxx::lldiv_t;
+#endif
+  using ::__gnu_cxx::_Exit;
+#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
+  using ::__gnu_cxx::llabs;
+  using ::__gnu_cxx::div;
+  using ::__gnu_cxx::lldiv;
+#endif
+  using ::__gnu_cxx::atoll;
+  using ::__gnu_cxx::strtof;
+  using ::__gnu_cxx::strtoll;
+  using ::__gnu_cxx::strtoull;
+  using ::__gnu_cxx::strtold;
+} // namespace std
+
+#endif // _GLIBCXX_USE_C99
+
+#endif // !_GLIBCXX_HOSTED
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/cstring b/gcc-4.9/libstdc++-v3/include/c_std/cstring
new file mode 100644
index 0000000..6ef97be
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/cstring
@@ -0,0 +1,123 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file cstring
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c string.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 20.4.6  C library
+//
+
+#ifndef _GLIBCXX_CSTRING
+#define _GLIBCXX_CSTRING 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+#include <string.h>
+
+// Get rid of those macros defined in <string.h> in lieu of real functions.
+#undef memcpy
+#undef memmove
+#undef strcpy
+#undef strncpy
+#undef strcat
+#undef strncat
+#undef memcmp
+#undef strcmp
+#undef strcoll
+#undef strncmp
+#undef strxfrm
+#undef memchr
+#undef strchr
+#undef strcspn
+#undef strpbrk
+#undef strrchr
+#undef strspn
+#undef strstr
+#undef strtok
+#undef memset
+#undef strerror
+#undef strlen
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  using ::memcpy;
+  using ::memmove;
+  using ::strcpy;
+  using ::strncpy;
+  using ::strcat;
+  using ::strncat;
+  using ::memcmp;
+  using ::strcmp;
+  using ::strcoll;
+  using ::strncmp;
+  using ::strxfrm;
+  using ::strcspn;
+  using ::strspn;
+  using ::strtok;
+  using ::memset;
+  using ::strerror;
+  using ::strlen;
+  using ::memchr;
+  using ::strchr;
+  using ::strpbrk;
+  using ::strrchr;
+  using ::strstr;
+
+#ifndef __CORRECT_ISO_CPP_STRING_H_PROTO
+  inline void*
+  memchr(void* __s, int __c, size_t __n)
+  { return __builtin_memchr(__s, __c, __n); }
+
+  inline char*
+  strchr(char* __s, int __n)
+  { return __builtin_strchr(__s, __n); }
+
+  inline char*
+  strpbrk(char* __s1, const char* __s2)
+  { return __builtin_strpbrk(__s1, __s2); }
+
+  inline char*
+  strrchr(char* __s, int __n)
+  { return __builtin_strrchr(__s, __n); }
+
+  inline char*
+  strstr(char* __s1, const char* __s2)
+  { return __builtin_strstr(__s1, __s2); }
+#endif
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/ctime b/gcc-4.9/libstdc++-v3/include/c_std/ctime
new file mode 100644
index 0000000..22616d2
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/ctime
@@ -0,0 +1,75 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file include/ctime
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c time.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 20.5  Date and time
+//
+
+#ifndef _GLIBCXX_CTIME
+#define _GLIBCXX_CTIME 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+#include <time.h>
+
+// Get rid of those macros defined in <time.h> in lieu of real functions.
+#undef clock
+#undef difftime
+#undef mktime
+#undef time
+#undef asctime
+#undef ctime
+#undef gmtime
+#undef localtime
+#undef strftime
+
+namespace std
+{
+  using ::clock_t;
+  using ::time_t;
+  using ::tm;
+
+  using ::clock;
+  using ::difftime;
+  using ::mktime;
+  using ::time;
+  using ::asctime;
+  using ::ctime;
+  using ::gmtime;
+  using ::localtime;
+  using ::strftime;
+} // namespace
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/cwchar b/gcc-4.9/libstdc++-v3/include/c_std/cwchar
new file mode 100644
index 0000000..c6f1f23
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/cwchar
@@ -0,0 +1,269 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file include/cwchar
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c wchar.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: 21.4
+//
+
+#ifndef _GLIBCXX_CWCHAR
+#define _GLIBCXX_CWCHAR 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+
+#if _GLIBCXX_HAVE_WCHAR_H
+#include <wchar.h>
+#endif
+
+// Need to do a bit of trickery here with mbstate_t as char_traits
+// assumes it is in wchar.h, regardless of wchar_t specializations.
+#ifndef _GLIBCXX_HAVE_MBSTATE_T
+extern "C"
+{
+  typedef struct
+  {
+    int __fill[6];
+  } mbstate_t;
+}
+#endif
+
+namespace std
+{
+  using ::mbstate_t;
+} // namespace std
+
+// Get rid of those macros defined in <wchar.h> in lieu of real functions.
+#undef btowc
+#undef fgetwc
+#undef fgetws
+#undef fputwc
+#undef fputws
+#undef fwide
+#undef fwprintf
+#undef fwscanf
+#undef getwc
+#undef getwchar
+#undef mbrlen
+#undef mbrtowc
+#undef mbsinit
+#undef mbsrtowcs
+#undef putwc
+#undef putwchar
+#undef swprintf
+#undef swscanf
+#undef ungetwc
+#undef vfwprintf
+#if _GLIBCXX_HAVE_VFWSCANF
+# undef vfwscanf
+#endif
+#undef vswprintf
+#if _GLIBCXX_HAVE_VSWSCANF
+# undef vswscanf
+#endif
+#undef vwprintf
+#if _GLIBCXX_HAVE_VWSCANF
+# undef vwscanf
+#endif
+#undef wcrtomb
+#undef wcscat
+#undef wcschr
+#undef wcscmp
+#undef wcscoll
+#undef wcscpy
+#undef wcscspn
+#undef wcsftime
+#undef wcslen
+#undef wcsncat
+#undef wcsncmp
+#undef wcsncpy
+#undef wcspbrk
+#undef wcsrchr
+#undef wcsrtombs
+#undef wcsspn
+#undef wcsstr
+#undef wcstod
+#if _GLIBCXX_HAVE_WCSTOF
+# undef wcstof
+#endif
+#undef wcstok
+#undef wcstol
+#undef wcstoul
+#undef wcsxfrm
+#undef wctob
+#undef wmemchr
+#undef wmemcmp
+#undef wmemcpy
+#undef wmemmove
+#undef wmemset
+#undef wprintf
+#undef wscanf
+
+#if _GLIBCXX_USE_WCHAR_T
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  using ::wint_t;
+
+  using ::btowc;
+  using ::fgetwc;
+  using ::fgetws;
+  using ::fputwc;
+  using ::fputws;
+  using ::fwide;
+  using ::fwprintf;
+  using ::fwscanf;
+  using ::getwc;
+  using ::getwchar;
+  using ::mbrlen;
+  using ::mbrtowc;
+  using ::mbsinit;
+  using ::mbsrtowcs;
+  using ::putwc;
+  using ::putwchar;
+  using ::swprintf;
+  using ::swscanf;
+  using ::ungetwc;
+  using ::vfwprintf;
+#if _GLIBCXX_HAVE_VFWSCANF
+  using ::vfwscanf;
+#endif
+  using ::vswprintf;
+#if _GLIBCXX_HAVE_VSWSCANF
+  using ::vswscanf;
+#endif
+  using ::vwprintf;
+#if _GLIBCXX_HAVE_VWSCANF
+  using ::vwscanf;
+#endif
+  using ::wcrtomb;
+  using ::wcscat;
+  using ::wcscmp;
+  using ::wcscoll;
+  using ::wcscpy;
+  using ::wcscspn;
+  using ::wcsftime;
+  using ::wcslen;
+  using ::wcsncat;
+  using ::wcsncmp;
+  using ::wcsncpy;
+  using ::wcsrtombs;
+  using ::wcsspn;
+  using ::wcstod;
+#if _GLIBCXX_HAVE_WCSTOF
+  using ::wcstof;
+#endif
+  using ::wcstok;
+  using ::wcstol;
+  using ::wcstoul;
+  using ::wcsxfrm;
+  using ::wctob;
+  using ::wmemcmp;
+  using ::wmemcpy;
+  using ::wmemmove;
+  using ::wmemset;
+  using ::wprintf;
+  using ::wscanf;
+  using ::wcschr;
+  using ::wcspbrk;
+  using ::wcsrchr;
+  using ::wcsstr;
+  using ::wmemchr;
+
+#ifndef __CORRECT_ISO_CPP_WCHAR_H_PROTO
+  inline wchar_t*
+  wcschr(wchar_t* __p, wchar_t __c)
+  { return wcschr(const_cast<const wchar_t*>(__p), __c); }
+
+  inline wchar_t*
+  wcspbrk(wchar_t* __s1, const wchar_t* __s2)
+  { return wcspbrk(const_cast<const wchar_t*>(__s1), __s2); }
+
+  inline wchar_t*
+  wcsrchr(wchar_t* __p, wchar_t __c)
+  { return wcsrchr(const_cast<const wchar_t*>(__p), __c); }
+
+  inline wchar_t*
+  wcsstr(wchar_t* __s1, const wchar_t* __s2)
+  { return wcsstr(const_cast<const wchar_t*>(__s1), __s2); }
+
+  inline wchar_t*
+  wmemchr(wchar_t* __p, wchar_t __c, size_t __n)
+  { return wmemchr(const_cast<const wchar_t*>(__p), __c, __n); }
+#endif
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+#if _GLIBCXX_USE_C99
+
+#undef wcstold
+#undef wcstoll
+#undef wcstoull
+
+namespace __gnu_cxx
+{
+#if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
+  extern "C" long double
+    (wcstold)(const wchar_t * __restrict, wchar_t ** __restrict) throw ();
+#endif
+#if !_GLIBCXX_USE_C99_DYNAMIC
+  using ::wcstold;
+#endif
+#if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
+  extern "C" long long int
+    (wcstoll)(const wchar_t * __restrict, wchar_t ** __restrict, int) throw ();
+  extern "C" unsigned long long int
+    (wcstoull)(const wchar_t * __restrict, wchar_t ** __restrict, int) throw ();
+#endif
+#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
+  using ::wcstoll;
+  using ::wcstoull;
+#endif
+} // namespace __gnu_cxx
+
+namespace std
+{
+  using ::__gnu_cxx::wcstold;
+  using ::__gnu_cxx::wcstoll;
+  using ::__gnu_cxx::wcstoull;
+} // namespace std
+
+#endif
+
+#endif //_GLIBCXX_USE_WCHAR_T
+
+#endif
diff --git a/gcc-4.9/libstdc++-v3/include/c_std/cwctype b/gcc-4.9/libstdc++-v3/include/c_std/cwctype
new file mode 100644
index 0000000..8691cb6
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/c_std/cwctype
@@ -0,0 +1,111 @@
+// -*- C++ -*- forwarding header.
+
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file include/cwctype
+ *  This is a Standard C++ Library file.  You should @c #include this file
+ *  in your programs, rather than any of the @a *.h implementation files.
+ *
+ *  This is the C++ version of the Standard C Library header @c wctype.h,
+ *  and its contents are (mostly) the same as that header, but are all
+ *  contained in the namespace @c std (except for names which are defined
+ *  as macros in C).
+ */
+
+//
+// ISO C++ 14882: <cwctype>
+//
+
+#ifndef _GLIBCXX_CWCTYPE
+#define _GLIBCXX_CWCTYPE 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+
+#if _GLIBCXX_HAVE_WCTYPE_H
+
+#if __GLIBC__ == 2 && __GLIBC_MINOR__ < 10
+// Work around glibc BZ 9694
+#include <stddef.h>
+#endif
+
+#include <wctype.h>
+#endif // _GLIBCXX_HAVE_WCTYPE_H
+
+// Get rid of those macros defined in <wctype.h> in lieu of real functions.
+#undef iswalnum
+#undef iswalpha
+#if _GLIBCXX_HAVE_ISWBLANK
+# undef iswblank
+#endif
+#undef iswcntrl
+#undef iswctype
+#undef iswdigit
+#undef iswgraph
+#undef iswlower
+#undef iswprint
+#undef iswpunct
+#undef iswspace
+#undef iswupper
+#undef iswxdigit
+#undef towctrans
+#undef towlower
+#undef towupper
+#undef wctrans
+#undef wctype
+
+#if _GLIBCXX_USE_WCHAR_T
+
+namespace std
+{
+  using ::wint_t;	  // cwchar
+
+  using ::wctype_t;
+  using ::wctrans_t;
+
+  using ::iswalnum;
+  using ::iswalpha;
+#if _GLIBCXX_HAVE_ISWBLANK
+  using ::iswblank;
+#endif
+  using ::iswcntrl;
+  using ::iswctype;
+  using ::iswdigit;
+  using ::iswgraph;
+  using ::iswlower;
+  using ::iswprint;
+  using ::iswpunct;
+  using ::iswspace;
+  using ::iswupper;
+  using ::iswxdigit;
+  using ::towctrans;
+  using ::towlower;
+  using ::towupper;
+  using ::wctrans;
+  using ::wctype;
+} // namespace std
+
+#endif //_GLIBCXX_USE_WCHAR_T
+
+#endif