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diff --git a/contrib/libstdc++/include/c_shadow/string.h b/contrib/libstdc++/include/c_shadow/string.h
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+// -*- C++ -*- header wrapper.
+
+// Copyright (C) 1997-1999, 2000 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 2, 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.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction. Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License. This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+
+#ifndef _INCLUDED_CPP_STRING_H_
+# define _INCLUDED_CPP_STRING_H_ 1
+
+# ifdef _IN_C_LEGACY_ /* sub-included by a C header */
+ // get out of the "legacy"
+ } // close extern "C"
+ } // close namespace _C_legacy::
+# undef _IN_C_LEGACY_
+# define _STRING_NEED_C_LEGACY_
+# endif
+
+# include <cstring>
+
+ // Expose global C names, including non-standard ones, but shadow
+ // some names and types with the std:: C++ version.
+ using std::memcpy;
+ using std::memmove;
+ using std::strcpy;
+ using std::strncpy;
+ using std::strcat;
+ using std::strncat;
+ using std::memcmp;
+ using std::strcmp;
+ using std::strcoll;
+ using std::strncmp;
+ using std::strxfrm;
+ using std::memchr;
+ using std::strchr;
+ using std::strcspn;
+ using std::strpbrk;
+ using std::strrchr;
+ using std::strspn;
+ using std::strstr;
+ using std::strtok;
+ using std::memset;
+ using std::strerror;
+ using std::strlen;
+
+# ifdef _STRING_NEED_C_LEGACY_
+ // dive back into the "swamp"
+ namespace _C_legacy {
+ extern "C" {
+# define _IN_C_LEGACY_
+# undef _STRING_NEED_C_LEGACY_
+# endif /* _STRING_NEED_C_LEGACY_ */
+#endif /* _INCLUDED_CPP_STRING_H_ */
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