cstring
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// -*- C++ -*- forwarding header.
// Copyright (C) 1997-2022 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
//
#pragma GCC system_header
#include <bits/c++config.h>
#include <string.h>
#ifndef _GLIBCXX_CSTRING
#define _GLIBCXX_CSTRING 1
// Get rid of those macros defined in <string.h> in lieu of real functions.
#undef memchr
#undef memcmp
#undef memcpy
#undef memmove
#undef memset
#undef strcat
#undef strchr
#undef strcmp
#undef strcoll
#undef strcpy
#undef strcspn
#undef strerror
#undef strlen
#undef strncat
#undef strncmp
#undef strncpy
#undef strpbrk
#undef strrchr
#undef strspn
#undef strstr
#undef strtok
#undef strxfrm
extern "C++"
{
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
using ::memchr;
using ::memcmp;
using ::memcpy;
using ::memmove;
using ::memset;
using ::strcat;
using ::strcmp;
using ::strcoll;
using ::strcpy;
using ::strcspn;
using ::strerror;
using ::strlen;
using ::strncat;
using ::strncmp;
using ::strncpy;
using ::strspn;
using ::strtok;
using ::strxfrm;
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
} // extern "C++"
#endif
c++config.h
std
ISO C++ entities toplevel namespace is std.