Ignore lib/string.h as instructed by the manual

2 files changed, 2 insertions, 1287 deletions

diff --git a/lib/.gitignore b/lib/.gitignore
index e69de29b..654f1e8a 100644
--- a/lib/.gitignore
+++ b/lib/.gitignore
@@ -0,0 +1,2 @@
+stddef.h
+string.h
diff --git a/lib/string.h b/lib/string.h
deleted file mode 100644
index efa9b4df..00000000
--- a/lib/string.h
+++ /dev/null
@@ -1,1287 +0,0 @@
-/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
-/* A GNU-like <string.h>.
-
-   Copyright (C) 1995-1996, 2001-2010 Free Software Foundation, Inc.
-
-   This program 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 program 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 program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
-
-#ifndef _GL_STRING_H
-
-#if __GNUC__ >= 3
-@PRAGMA_SYSTEM_HEADER@
-#endif
-@PRAGMA_COLUMNS@
-
-/* The include_next requires a split double-inclusion guard.  */
-# 
-
-#ifndef _GL_STRING_H
-#define _GL_STRING_H
-
-/* NetBSD 5.0 mis-defines NULL.  */
-#include <stddef.h>
-
-/* MirBSD defines mbslen as a macro.  */
-#if  && defined __MirBSD__
-# include <wchar.h>
-#endif
-
-#ifndef __attribute__
-/* This feature is available in gcc versions 2.5 and later.  */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
-#  define __attribute__(Spec) /* empty */
-# endif
-#endif
-/* The attribute __pure__ was added in gcc 2.96.  */
-#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
-# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
-#else
-# define _GL_ATTRIBUTE_PURE /* empty */
-#endif
-
-/* NetBSD 5.0 declares strsignal in <unistd.h>, not in <string.h>.  */
-/* But in any case avoid namespace pollution on glibc systems.  */
-#if ( || defined GNULIB_POSIXCHECK) && defined __NetBSD__ \
-    && ! defined __GLIBC__
-# include <unistd.h>
-#endif
-
-/* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
-#ifndef _GL_CXXDEFS_H
-#define _GL_CXXDEFS_H
-
-/* The three most frequent use cases of these macros are:
-
-   * For providing a substitute for a function that is missing on some
-     platforms, but is declared and works fine on the platforms on which
-     it exists:
-
-       #if @GNULIB_FOO@
-       # if !@HAVE_FOO@
-       _GL_FUNCDECL_SYS (foo, ...);
-       # endif
-       _GL_CXXALIAS_SYS (foo, ...);
-       _GL_CXXALIASWARN (foo);
-       #elif defined GNULIB_POSIXCHECK
-       ...
-       #endif
-
-   * For providing a replacement for a function that exists on all platforms,
-     but is broken/insufficient and needs to be replaced on some platforms:
-
-       #if @GNULIB_FOO@
-       # if @REPLACE_FOO@
-       #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-       #   undef foo
-       #   define foo rpl_foo
-       #  endif
-       _GL_FUNCDECL_RPL (foo, ...);
-       _GL_CXXALIAS_RPL (foo, ...);
-       # else
-       _GL_CXXALIAS_SYS (foo, ...);
-       # endif
-       _GL_CXXALIASWARN (foo);
-       #elif defined GNULIB_POSIXCHECK
-       ...
-       #endif
-
-   * For providing a replacement for a function that exists on some platforms
-     but is broken/insufficient and needs to be replaced on some of them and
-     is additionally either missing or undeclared on some other platforms:
-
-       #if @GNULIB_FOO@
-       # if @REPLACE_FOO@
-       #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-       #   undef foo
-       #   define foo rpl_foo
-       #  endif
-       _GL_FUNCDECL_RPL (foo, ...);
-       _GL_CXXALIAS_RPL (foo, ...);
-       # else
-       #  if !@HAVE_FOO@   or   if !@HAVE_DECL_FOO@
-       _GL_FUNCDECL_SYS (foo, ...);
-       #  endif
-       _GL_CXXALIAS_SYS (foo, ...);
-       # endif
-       _GL_CXXALIASWARN (foo);
-       #elif defined GNULIB_POSIXCHECK
-       ...
-       #endif
-*/
-
-/* _GL_EXTERN_C declaration;
-   performs the declaration with C linkage.  */
-#if defined __cplusplus
-# define _GL_EXTERN_C extern "C"
-#else
-# define _GL_EXTERN_C extern
-#endif
-
-/* _GL_FUNCDECL_RPL (func, rettype, parameters_and_attributes);
-   declares a replacement function, named rpl_func, with the given prototype,
-   consisting of return type, parameters, and attributes.
-   Example:
-     _GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...)
-                                  _GL_ARG_NONNULL ((1)));
- */
-#define _GL_FUNCDECL_RPL(func,rettype,parameters_and_attributes) \
-  _GL_FUNCDECL_RPL_1 (rpl_##func, rettype, parameters_and_attributes)
-#define _GL_FUNCDECL_RPL_1(rpl_func,rettype,parameters_and_attributes) \
-  _GL_EXTERN_C rettype rpl_func parameters_and_attributes
-
-/* _GL_FUNCDECL_SYS (func, rettype, parameters_and_attributes);
-   declares the system function, named func, with the given prototype,
-   consisting of return type, parameters, and attributes.
-   Example:
-     _GL_FUNCDECL_SYS (open, int, (const char *filename, int flags, ...)
-                                  _GL_ARG_NONNULL ((1)));
- */
-#define _GL_FUNCDECL_SYS(func,rettype,parameters_and_attributes) \
-  _GL_EXTERN_C rettype func parameters_and_attributes
-
-/* _GL_CXXALIAS_RPL (func, rettype, parameters);
-   declares a C++ alias called GNULIB_NAMESPACE::func
-   that redirects to rpl_func, if GNULIB_NAMESPACE is defined.
-   Example:
-     _GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...));
- */
-#define _GL_CXXALIAS_RPL(func,rettype,parameters) \
-  _GL_CXXALIAS_RPL_1 (func, rpl_##func, rettype, parameters)
-#if defined __cplusplus && defined GNULIB_NAMESPACE
-# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \
-    namespace GNULIB_NAMESPACE                                \
-    {                                                         \
-      rettype (*const func) parameters = ::rpl_func;          \
-    }                                                         \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#else
-# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#endif
-
-/* _GL_CXXALIAS_RPL_CAST_1 (func, rpl_func, rettype, parameters);
-   is like  _GL_CXXALIAS_RPL_1 (func, rpl_func, rettype, parameters);
-   except that the C function rpl_func may have a slightly different
-   declaration.  A cast is used to silence the "invalid conversion" error
-   that would otherwise occur.  */
-#if defined __cplusplus && defined GNULIB_NAMESPACE
-# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \
-    namespace GNULIB_NAMESPACE                                     \
-    {                                                              \
-      rettype (*const func) parameters =                           \
-        reinterpret_cast<rettype(*)parameters>(::rpl_func);        \
-    }                                                              \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#else
-# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#endif
-
-/* _GL_CXXALIAS_SYS (func, rettype, parameters);
-   declares a C++ alias called GNULIB_NAMESPACE::func
-   that redirects to the system provided function func, if GNULIB_NAMESPACE
-   is defined.
-   Example:
-     _GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...));
- */
-#if defined __cplusplus && defined GNULIB_NAMESPACE
-  /* If we were to write
-       rettype (*const func) parameters = ::func;
-     like above in _GL_CXXALIAS_RPL_1, the compiler could optimize calls
-     better (remove an indirection through a 'static' pointer variable),
-     but then the _GL_CXXALIASWARN macro below would cause a warning not only
-     for uses of ::func but also for uses of GNULIB_NAMESPACE::func.  */
-# define _GL_CXXALIAS_SYS(func,rettype,parameters) \
-    namespace GNULIB_NAMESPACE                     \
-    {                                              \
-      static rettype (*func) parameters = ::func;  \
-    }                                              \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#else
-# define _GL_CXXALIAS_SYS(func,rettype,parameters) \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#endif
-
-/* _GL_CXXALIAS_SYS_CAST (func, rettype, parameters);
-   is like  _GL_CXXALIAS_SYS (func, rettype, parameters);
-   except that the C function func may have a slightly different declaration.
-   A cast is used to silence the "invalid conversion" error that would
-   otherwise occur.  */
-#if defined __cplusplus && defined GNULIB_NAMESPACE
-# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \
-    namespace GNULIB_NAMESPACE                          \
-    {                                                   \
-      static rettype (*func) parameters =               \
-        reinterpret_cast<rettype(*)parameters>(::func); \
-    }                                                   \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#else
-# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#endif
-
-/* _GL_CXXALIAS_SYS_CAST2 (func, rettype, parameters, rettype2, parameters2);
-   is like  _GL_CXXALIAS_SYS (func, rettype, parameters);
-   except that the C function is picked among a set of overloaded functions,
-   namely the one with rettype2 and parameters2.  Two consecutive casts
-   are used to silence the "cannot find a match" and "invalid conversion"
-   errors that would otherwise occur.  */
-#if defined __cplusplus && defined GNULIB_NAMESPACE
-  /* The outer cast must be a reinterpret_cast.
-     The inner cast: When the function is defined as a set of overloaded
-     functions, it works as a static_cast<>, choosing the designated variant.
-     When the function is defined as a single variant, it works as a
-     reinterpret_cast<>. The parenthesized cast syntax works both ways.  */
-# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \
-    namespace GNULIB_NAMESPACE                                                \
-    {                                                                         \
-      static rettype (*func) parameters =                                     \
-        reinterpret_cast<rettype(*)parameters>(                               \
-          (rettype2(*)parameters2)(::func));                                  \
-    }                                                                         \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#else
-# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#endif
-
-/* _GL_CXXALIASWARN (func);
-   causes a warning to be emitted when ::func is used but not when
-   GNULIB_NAMESPACE::func is used.  func must be defined without overloaded
-   variants.  */
-#if defined __cplusplus && defined GNULIB_NAMESPACE
-# define _GL_CXXALIASWARN(func) \
-   _GL_CXXALIASWARN_1 (func, GNULIB_NAMESPACE)
-# define _GL_CXXALIASWARN_1(func,namespace) \
-   _GL_CXXALIASWARN_2 (func, namespace)
-/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
-   we enable the warning only when not optimizing.  */
-# if !__OPTIMIZE__
-#  define _GL_CXXALIASWARN_2(func,namespace) \
-    _GL_WARN_ON_USE (func, \
-                     "The symbol ::" #func " refers to the system function. " \
-                     "Use " #namespace "::" #func " instead.")
-# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
-#  define _GL_CXXALIASWARN_2(func,namespace) \
-     extern __typeof__ (func) func
-# else
-#  define _GL_CXXALIASWARN_2(func,namespace) \
-     _GL_EXTERN_C int _gl_cxxalias_dummy
-# endif
-#else
-# define _GL_CXXALIASWARN(func) \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#endif
-
-/* _GL_CXXALIASWARN1 (func, rettype, parameters_and_attributes);
-   causes a warning to be emitted when the given overloaded variant of ::func
-   is used but not when GNULIB_NAMESPACE::func is used.  */
-#if defined __cplusplus && defined GNULIB_NAMESPACE
-# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \
-   _GL_CXXALIASWARN1_1 (func, rettype, parameters_and_attributes, \
-                        GNULIB_NAMESPACE)
-# define _GL_CXXALIASWARN1_1(func,rettype,parameters_and_attributes,namespace) \
-   _GL_CXXALIASWARN1_2 (func, rettype, parameters_and_attributes, namespace)
-/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
-   we enable the warning only when not optimizing.  */
-# if !__OPTIMIZE__
-#  define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
-    _GL_WARN_ON_USE_CXX (func, rettype, parameters_and_attributes, \
-                         "The symbol ::" #func " refers to the system function. " \
-                         "Use " #namespace "::" #func " instead.")
-# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
-#  define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
-     extern __typeof__ (func) func
-# else
-#  define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
-     _GL_EXTERN_C int _gl_cxxalias_dummy
-# endif
-#else
-# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \
-    _GL_EXTERN_C int _gl_cxxalias_dummy
-#endif
-
-#endif /* _GL_CXXDEFS_H */
-
-/* The definition of _GL_ARG_NONNULL is copied here.  */
-/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools
-   that the values passed as arguments n, ..., m must be non-NULL pointers.
-   n = 1 stands for the first argument, n = 2 for the second argument etc.  */
-#ifndef _GL_ARG_NONNULL
-# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3
-#  define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params))
-# else
-#  define _GL_ARG_NONNULL(params)
-# endif
-#endif
-
-/* The definition of _GL_WARN_ON_USE is copied here.  */
-#ifndef _GL_WARN_ON_USE
-
-# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__)
-/* A compiler attribute is available in gcc versions 4.3.0 and later.  */
-#  define _GL_WARN_ON_USE(function, message) \
-extern __typeof__ (function) function __attribute__ ((__warning__ (message)))
-# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
-/* Verify the existence of the function.  */
-#  define _GL_WARN_ON_USE(function, message) \
-extern __typeof__ (function) function
-# else /* Unsupported.  */
-#  define _GL_WARN_ON_USE(function, message) \
-_GL_WARN_EXTERN_C int _gl_warn_on_use
-# endif
-#endif
-
-/* _GL_WARN_ON_USE_CXX (function, rettype, parameters_and_attributes, "string")
-   is like _GL_WARN_ON_USE (function, "string"), except that the function is
-   declared with the given prototype, consisting of return type, parameters,
-   and attributes.
-   This variant is useful for overloaded functions in C++. _GL_WARN_ON_USE does
-   not work in this case.  */
-#ifndef _GL_WARN_ON_USE_CXX
-# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__)
-#  define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
-extern rettype function parameters_and_attributes \
-     __attribute__ ((__warning__ (msg)))
-# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
-/* Verify the existence of the function.  */
-#  define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
-extern rettype function parameters_and_attributes
-# else /* Unsupported.  */
-#  define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
-_GL_WARN_EXTERN_C int _gl_warn_on_use
-# endif
-#endif
-
-/* _GL_WARN_EXTERN_C declaration;
-   performs the declaration with C linkage.  */
-#ifndef _GL_WARN_EXTERN_C
-# if defined __cplusplus
-#  define _GL_WARN_EXTERN_C extern "C"
-# else
-#  define _GL_WARN_EXTERN_C extern
-# endif
-#endif
-
-
-/* Return the first instance of C within N bytes of S, or NULL.  */
-#if 
-# if 
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define memchr rpl_memchr
-#  endif
-_GL_FUNCDECL_RPL (memchr, void *, (void const *__s, int __c, size_t __n)
-                                  _GL_ATTRIBUTE_PURE
-                                  _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (memchr, void *, (void const *__s, int __c, size_t __n));
-# else
-#  if ! 
-_GL_FUNCDECL_SYS (memchr, void *, (void const *__s, int __c, size_t __n)
-                                  _GL_ATTRIBUTE_PURE
-                                  _GL_ARG_NONNULL ((1)));
-#  endif
-  /* On some systems, this function is defined as an overloaded function:
-       extern "C" { const void * std::memchr (const void *, int, size_t); }
-       extern "C++" { void * std::memchr (void *, int, size_t); }  */
-_GL_CXXALIAS_SYS_CAST2 (memchr,
-                        void *, (void const *__s, int __c, size_t __n),
-                        void const *, (void const *__s, int __c, size_t __n));
-# endif
-# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
-     && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
-_GL_CXXALIASWARN1 (memchr, void *, (void *__s, int __c, size_t __n));
-_GL_CXXALIASWARN1 (memchr, void const *,
-                   (void const *__s, int __c, size_t __n));
-# else
-_GL_CXXALIASWARN (memchr);
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef memchr
-/* Assume memchr is always declared.  */
-_GL_WARN_ON_USE (memchr, "memchr has platform-specific bugs - "
-                 "use gnulib module memchr for portability" );
-#endif
-
-/* Return the first occurrence of NEEDLE in HAYSTACK.  */
-#if 
-# if 
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define memmem rpl_memmem
-#  endif
-_GL_FUNCDECL_RPL (memmem, void *,
-                  (void const *__haystack, size_t __haystack_len,
-                   void const *__needle, size_t __needle_len)
-                  _GL_ATTRIBUTE_PURE
-                  _GL_ARG_NONNULL ((1, 3)));
-_GL_CXXALIAS_RPL (memmem, void *,
-                  (void const *__haystack, size_t __haystack_len,
-                   void const *__needle, size_t __needle_len));
-# else
-#  if ! 
-_GL_FUNCDECL_SYS (memmem, void *,
-                  (void const *__haystack, size_t __haystack_len,
-                   void const *__needle, size_t __needle_len)
-                  _GL_ATTRIBUTE_PURE
-                  _GL_ARG_NONNULL ((1, 3)));
-#  endif
-_GL_CXXALIAS_SYS (memmem, void *,
-                  (void const *__haystack, size_t __haystack_len,
-                   void const *__needle, size_t __needle_len));
-# endif
-_GL_CXXALIASWARN (memmem);
-#elif defined GNULIB_POSIXCHECK
-# undef memmem
-# if HAVE_RAW_DECL_MEMMEM
-_GL_WARN_ON_USE (memmem, "memmem is unportable and often quadratic - "
-                 "use gnulib module memmem-simple for portability, "
-                 "and module memmem for speed" );
-# endif
-#endif
-
-/* Copy N bytes of SRC to DEST, return pointer to bytes after the
-   last written byte.  */
-#if 
-# if ! 
-_GL_FUNCDECL_SYS (mempcpy, void *,
-                  (void *restrict __dest, void const *restrict __src,
-                   size_t __n)
-                  _GL_ARG_NONNULL ((1, 2)));
-# endif
-_GL_CXXALIAS_SYS (mempcpy, void *,
-                  (void *restrict __dest, void const *restrict __src,
-                   size_t __n));
-_GL_CXXALIASWARN (mempcpy);
-#elif defined GNULIB_POSIXCHECK
-# undef mempcpy
-# if HAVE_RAW_DECL_MEMPCPY
-_GL_WARN_ON_USE (mempcpy, "mempcpy is unportable - "
-                 "use gnulib module mempcpy for portability");
-# endif
-#endif
-
-/* Search backwards through a block for a byte (specified as an int).  */
-#if 
-# if ! 
-_GL_FUNCDECL_SYS (memrchr, void *, (void const *, int, size_t)
-                                   _GL_ATTRIBUTE_PURE
-                                   _GL_ARG_NONNULL ((1)));
-# endif
-  /* On some systems, this function is defined as an overloaded function:
-       extern "C++" { const void * std::memrchr (const void *, int, size_t); }
-       extern "C++" { void * std::memrchr (void *, int, size_t); }  */
-_GL_CXXALIAS_SYS_CAST2 (memrchr,
-                        void *, (void const *, int, size_t),
-                        void const *, (void const *, int, size_t));
-# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
-     && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
-_GL_CXXALIASWARN1 (memrchr, void *, (void *, int, size_t));
-_GL_CXXALIASWARN1 (memrchr, void const *, (void const *, int, size_t));
-# else
-_GL_CXXALIASWARN (memrchr);
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef memrchr
-# if HAVE_RAW_DECL_MEMRCHR
-_GL_WARN_ON_USE (memrchr, "memrchr is unportable - "
-                 "use gnulib module memrchr for portability");
-# endif
-#endif
-
-/* Find the first occurrence of C in S.  More efficient than
-   memchr(S,C,N), at the expense of undefined behavior if C does not
-   occur within N bytes.  */
-#if 
-# if ! 
-_GL_FUNCDECL_SYS (rawmemchr, void *, (void const *__s, int __c_in)
-                                     _GL_ATTRIBUTE_PURE
-                                     _GL_ARG_NONNULL ((1)));
-# endif
-  /* On some systems, this function is defined as an overloaded function:
-       extern "C++" { const void * std::rawmemchr (const void *, int); }
-       extern "C++" { void * std::rawmemchr (void *, int); }  */
-_GL_CXXALIAS_SYS_CAST2 (rawmemchr,
-                        void *, (void const *__s, int __c_in),
-                        void const *, (void const *__s, int __c_in));
-# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
-     && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
-_GL_CXXALIASWARN1 (rawmemchr, void *, (void *__s, int __c_in));
-_GL_CXXALIASWARN1 (rawmemchr, void const *, (void const *__s, int __c_in));
-# else
-_GL_CXXALIASWARN (rawmemchr);
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef rawmemchr
-# if HAVE_RAW_DECL_RAWMEMCHR
-_GL_WARN_ON_USE (rawmemchr, "rawmemchr is unportable - "
-                 "use gnulib module rawmemchr for portability");
-# endif
-#endif
-
-/* Copy SRC to DST, returning the address of the terminating '\0' in DST.  */
-#if 
-# if ! 
-_GL_FUNCDECL_SYS (stpcpy, char *,
-                  (char *restrict __dst, char const *restrict __src)
-                  _GL_ARG_NONNULL ((1, 2)));
-# endif
-_GL_CXXALIAS_SYS (stpcpy, char *,
-                  (char *restrict __dst, char const *restrict __src));
-_GL_CXXALIASWARN (stpcpy);
-#elif defined GNULIB_POSIXCHECK
-# undef stpcpy
-# if HAVE_RAW_DECL_STPCPY
-_GL_WARN_ON_USE (stpcpy, "stpcpy is unportable - "
-                 "use gnulib module stpcpy for portability");
-# endif
-#endif
-
-/* Copy no more than N bytes of SRC to DST, returning a pointer past the
-   last non-NUL byte written into DST.  */
-#if 
-# if 
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef stpncpy
-#   define stpncpy rpl_stpncpy
-#  endif
-_GL_FUNCDECL_RPL (stpncpy, char *,
-                  (char *restrict __dst, char const *restrict __src,
-                   size_t __n)
-                  _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (stpncpy, char *,
-                  (char *restrict __dst, char const *restrict __src,
-                   size_t __n));
-# else
-#  if ! 
-_GL_FUNCDECL_SYS (stpncpy, char *,
-                  (char *restrict __dst, char const *restrict __src,
-                   size_t __n)
-                  _GL_ARG_NONNULL ((1, 2)));
-#  endif
-_GL_CXXALIAS_SYS (stpncpy, char *,
-                  (char *restrict __dst, char const *restrict __src,
-                   size_t __n));
-# endif
-_GL_CXXALIASWARN (stpncpy);
-#elif defined GNULIB_POSIXCHECK
-# undef stpncpy
-# if HAVE_RAW_DECL_STPNCPY
-_GL_WARN_ON_USE (stpncpy, "stpncpy is unportable - "
-                 "use gnulib module stpncpy for portability");
-# endif
-#endif
-
-#if defined GNULIB_POSIXCHECK
-/* strchr() does not work with multibyte strings if the locale encoding is
-   GB18030 and the character to be searched is a digit.  */
-# undef strchr
-/* Assume strchr is always declared.  */
-_GL_WARN_ON_USE (strchr, "strchr cannot work correctly on character strings "
-                 "in some multibyte locales - "
-                 "use mbschr if you care about internationalization");
-#endif
-
-/* Find the first occurrence of C in S or the final NUL byte.  */
-#if 
-# if ! 
-_GL_FUNCDECL_SYS (strchrnul, char *, (char const *__s, int __c_in)
-                                     _GL_ATTRIBUTE_PURE
-                                     _GL_ARG_NONNULL ((1)));
-# endif
-  /* On some systems, this function is defined as an overloaded function:
-       extern "C++" { const char * std::strchrnul (const char *, int); }
-       extern "C++" { char * std::strchrnul (char *, int); }  */
-_GL_CXXALIAS_SYS_CAST2 (strchrnul,
-                        char *, (char const *__s, int __c_in),
-                        char const *, (char const *__s, int __c_in));
-# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
-     && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
-_GL_CXXALIASWARN1 (strchrnul, char *, (char *__s, int __c_in));
-_GL_CXXALIASWARN1 (strchrnul, char const *, (char const *__s, int __c_in));
-# else
-_GL_CXXALIASWARN (strchrnul);
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef strchrnul
-# if HAVE_RAW_DECL_STRCHRNUL
-_GL_WARN_ON_USE (strchrnul, "strchrnul is unportable - "
-                 "use gnulib module strchrnul for portability");
-# endif
-#endif
-
-/* Duplicate S, returning an identical malloc'd string.  */
-#if 
-# if 
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef strdup
-#   define strdup rpl_strdup
-#  endif
-_GL_FUNCDECL_RPL (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (strdup, char *, (char const *__s));
-# else
-#  if defined __cplusplus && defined GNULIB_NAMESPACE && defined strdup
-    /* strdup exists as a function and as a macro.  Get rid of the macro.  */
-#   undef strdup
-#  endif
-#  if !( || defined strdup)
-_GL_FUNCDECL_SYS (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1)));
-#  endif
-_GL_CXXALIAS_SYS (strdup, char *, (char const *__s));
-# endif
-_GL_CXXALIASWARN (strdup);
-#elif defined GNULIB_POSIXCHECK
-# undef strdup
-# if HAVE_RAW_DECL_STRDUP
-_GL_WARN_ON_USE (strdup, "strdup is unportable - "
-                 "use gnulib module strdup for portability");
-# endif
-#endif
-
-/* Append no more than N characters from SRC onto DEST.  */
-#if 
-# if 
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef strncat
-#   define strncat rpl_strncat
-#  endif
-_GL_FUNCDECL_RPL (strncat, char *, (char *dest, const char *src, size_t n)
-                                   _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (strncat, char *, (char *dest, const char *src, size_t n));
-# else
-_GL_CXXALIAS_SYS (strncat, char *, (char *dest, const char *src, size_t n));
-# endif
-_GL_CXXALIASWARN (strncat);
-#elif defined GNULIB_POSIXCHECK
-# undef strncat
-# if HAVE_RAW_DECL_STRNCAT
-_GL_WARN_ON_USE (strncat, "strncat is unportable - "
-                 "use gnulib module strncat for portability");
-# endif
-#endif
-
-/* Return a newly allocated copy of at most N bytes of STRING.  */
-#if 
-# if 
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef strndup
-#   define strndup rpl_strndup
-#  endif
-_GL_FUNCDECL_RPL (strndup, char *, (char const *__string, size_t __n)
-                                   _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (strndup, char *, (char const *__string, size_t __n));
-# else
-#  if ! 
-_GL_FUNCDECL_SYS (strndup, char *, (char const *__string, size_t __n)
-                                   _GL_ARG_NONNULL ((1)));
-#  endif
-_GL_CXXALIAS_SYS (strndup, char *, (char const *__string, size_t __n));
-# endif
-_GL_CXXALIASWARN (strndup);
-#elif defined GNULIB_POSIXCHECK
-# undef strndup
-# if HAVE_RAW_DECL_STRNDUP
-_GL_WARN_ON_USE (strndup, "strndup is unportable - "
-                 "use gnulib module strndup for portability");
-# endif
-#endif
-
-/* Find the length (number of bytes) of STRING, but scan at most
-   MAXLEN bytes.  If no '\0' terminator is found in that many bytes,
-   return MAXLEN.  */
-#if 
-# if 
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef strnlen
-#   define strnlen rpl_strnlen
-#  endif
-_GL_FUNCDECL_RPL (strnlen, size_t, (char const *__string, size_t __maxlen)
-                                   _GL_ATTRIBUTE_PURE
-                                   _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (strnlen, size_t, (char const *__string, size_t __maxlen));
-# else
-#  if ! 
-_GL_FUNCDECL_SYS (strnlen, size_t, (char const *__string, size_t __maxlen)
-                                   _GL_ATTRIBUTE_PURE
-                                   _GL_ARG_NONNULL ((1)));
-#  endif
-_GL_CXXALIAS_SYS (strnlen, size_t, (char const *__string, size_t __maxlen));
-# endif
-_GL_CXXALIASWARN (strnlen);
-#elif defined GNULIB_POSIXCHECK
-# undef strnlen
-# if HAVE_RAW_DECL_STRNLEN
-_GL_WARN_ON_USE (strnlen, "strnlen is unportable - "
-                 "use gnulib module strnlen for portability");
-# endif
-#endif
-
-#if defined GNULIB_POSIXCHECK
-/* strcspn() assumes the second argument is a list of single-byte characters.
-   Even in this simple case, it does not work with multibyte strings if the
-   locale encoding is GB18030 and one of the characters to be searched is a
-   digit.  */
-# undef strcspn
-/* Assume strcspn is always declared.  */
-_GL_WARN_ON_USE (strcspn, "strcspn cannot work correctly on character strings "
-                 "in multibyte locales - "
-                 "use mbscspn if you care about internationalization");
-#endif
-
-/* Find the first occurrence in S of any character in ACCEPT.  */
-#if 
-# if ! 
-_GL_FUNCDECL_SYS (strpbrk, char *, (char const *__s, char const *__accept)
-                                   _GL_ATTRIBUTE_PURE
-                                   _GL_ARG_NONNULL ((1, 2)));
-# endif
-  /* On some systems, this function is defined as an overloaded function:
-       extern "C" { const char * strpbrk (const char *, const char *); }
-       extern "C++" { char * strpbrk (char *, const char *); }  */
-_GL_CXXALIAS_SYS_CAST2 (strpbrk,
-                        char *, (char const *__s, char const *__accept),
-                        const char *, (char const *__s, char const *__accept));
-# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
-     && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
-_GL_CXXALIASWARN1 (strpbrk, char *, (char *__s, char const *__accept));
-_GL_CXXALIASWARN1 (strpbrk, char const *,
-                   (char const *__s, char const *__accept));
-# else
-_GL_CXXALIASWARN (strpbrk);
-# endif
-# if defined GNULIB_POSIXCHECK
-/* strpbrk() assumes the second argument is a list of single-byte characters.
-   Even in this simple case, it does not work with multibyte strings if the
-   locale encoding is GB18030 and one of the characters to be searched is a
-   digit.  */
-#  undef strpbrk
-_GL_WARN_ON_USE (strpbrk, "strpbrk cannot work correctly on character strings "
-                 "in multibyte locales - "
-                 "use mbspbrk if you care about internationalization");
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef strpbrk
-# if HAVE_RAW_DECL_STRPBRK
-_GL_WARN_ON_USE (strpbrk, "strpbrk is unportable - "
-                 "use gnulib module strpbrk for portability");
-# endif
-#endif
-
-#if defined GNULIB_POSIXCHECK
-/* strspn() assumes the second argument is a list of single-byte characters.
-   Even in this simple case, it cannot work with multibyte strings.  */
-# undef strspn
-/* Assume strspn is always declared.  */
-_GL_WARN_ON_USE (strspn, "strspn cannot work correctly on character strings "
-                 "in multibyte locales - "
-                 "use mbsspn if you care about internationalization");
-#endif
-
-#if defined GNULIB_POSIXCHECK
-/* strrchr() does not work with multibyte strings if the locale encoding is
-   GB18030 and the character to be searched is a digit.  */
-# undef strrchr
-/* Assume strrchr is always declared.  */
-_GL_WARN_ON_USE (strrchr, "strrchr cannot work correctly on character strings "
-                 "in some multibyte locales - "
-                 "use mbsrchr if you care about internationalization");
-#endif
-
-/* Search the next delimiter (char listed in DELIM) starting at *STRINGP.
-   If one is found, overwrite it with a NUL, and advance *STRINGP
-   to point to the next char after it.  Otherwise, set *STRINGP to NULL.
-   If *STRINGP was already NULL, nothing happens.
-   Return the old value of *STRINGP.
-
-   This is a variant of strtok() that is multithread-safe and supports
-   empty fields.
-
-   Caveat: It modifies the original string.
-   Caveat: These functions cannot be used on constant strings.
-   Caveat: The identity of the delimiting character is lost.
-   Caveat: It doesn't work with multibyte strings unless all of the delimiter
-           characters are ASCII characters < 0x30.
-
-   See also strtok_r().  */
-#if 
-# if ! 
-_GL_FUNCDECL_SYS (strsep, char *,
-                  (char **restrict __stringp, char const *restrict __delim)
-                  _GL_ARG_NONNULL ((1, 2)));
-# endif
-_GL_CXXALIAS_SYS (strsep, char *,
-                  (char **restrict __stringp, char const *restrict __delim));
-_GL_CXXALIASWARN (strsep);
-# if defined GNULIB_POSIXCHECK
-#  undef strsep
-_GL_WARN_ON_USE (strsep, "strsep cannot work correctly on character strings "
-                 "in multibyte locales - "
-                 "use mbssep if you care about internationalization");
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef strsep
-# if HAVE_RAW_DECL_STRSEP
-_GL_WARN_ON_USE (strsep, "strsep is unportable - "
-                 "use gnulib module strsep for portability");
-# endif
-#endif
-
-#if 
-# if 
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define strstr rpl_strstr
-#  endif
-_GL_FUNCDECL_RPL (strstr, char *, (const char *haystack, const char *needle)
-                                  _GL_ATTRIBUTE_PURE
-                                  _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (strstr, char *, (const char *haystack, const char *needle));
-# else
-  /* On some systems, this function is defined as an overloaded function:
-       extern "C++" { const char * strstr (const char *, const char *); }
-       extern "C++" { char * strstr (char *, const char *); }  */
-_GL_CXXALIAS_SYS_CAST2 (strstr,
-                        char *, (const char *haystack, const char *needle),
-                        const char *, (const char *haystack, const char *needle));
-# endif
-# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
-     && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
-_GL_CXXALIASWARN1 (strstr, char *, (char *haystack, const char *needle));
-_GL_CXXALIASWARN1 (strstr, const char *,
-                   (const char *haystack, const char *needle));
-# else
-_GL_CXXALIASWARN (strstr);
-# endif
-#elif defined GNULIB_POSIXCHECK
-/* strstr() does not work with multibyte strings if the locale encoding is
-   different from UTF-8:
-   POSIX says that it operates on "strings", and "string" in POSIX is defined
-   as a sequence of bytes, not of characters.  */
-# undef strstr
-/* Assume strstr is always declared.  */
-_GL_WARN_ON_USE (strstr, "strstr is quadratic on many systems, and cannot "
-                 "work correctly on character strings in most "
-                 "multibyte locales - "
-                 "use mbsstr if you care about internationalization, "
-                 "or use strstr if you care about speed");
-#endif
-
-/* Find the first occurrence of NEEDLE in HAYSTACK, using case-insensitive
-   comparison.  */
-#if 
-# if 
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define strcasestr rpl_strcasestr
-#  endif
-_GL_FUNCDECL_RPL (strcasestr, char *,
-                  (const char *haystack, const char *needle)
-                  _GL_ATTRIBUTE_PURE
-                  _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (strcasestr, char *,
-                  (const char *haystack, const char *needle));
-# else
-#  if ! 
-_GL_FUNCDECL_SYS (strcasestr, char *,
-                  (const char *haystack, const char *needle)
-                  _GL_ATTRIBUTE_PURE
-                  _GL_ARG_NONNULL ((1, 2)));
-#  endif
-  /* On some systems, this function is defined as an overloaded function:
-       extern "C++" { const char * strcasestr (const char *, const char *); }
-       extern "C++" { char * strcasestr (char *, const char *); }  */
-_GL_CXXALIAS_SYS_CAST2 (strcasestr,
-                        char *, (const char *haystack, const char *needle),
-                        const char *, (const char *haystack, const char *needle));
-# endif
-# if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 10) && !defined __UCLIBC__) \
-     && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
-_GL_CXXALIASWARN1 (strcasestr, char *, (char *haystack, const char *needle));
-_GL_CXXALIASWARN1 (strcasestr, const char *,
-                   (const char *haystack, const char *needle));
-# else
-_GL_CXXALIASWARN (strcasestr);
-# endif
-#elif defined GNULIB_POSIXCHECK
-/* strcasestr() does not work with multibyte strings:
-   It is a glibc extension, and glibc implements it only for unibyte
-   locales.  */
-# undef strcasestr
-# if HAVE_RAW_DECL_STRCASESTR
-_GL_WARN_ON_USE (strcasestr, "strcasestr does work correctly on character "
-                 "strings in multibyte locales - "
-                 "use mbscasestr if you care about "
-                 "internationalization, or use c-strcasestr if you want "
-                 "a locale independent function");
-# endif
-#endif
-
-/* Parse S into tokens separated by characters in DELIM.
-   If S is NULL, the saved pointer in SAVE_PTR is used as
-   the next starting point.  For example:
-        char s[] = "-abc-=-def";
-        char *sp;
-        x = strtok_r(s, "-", &sp);      // x = "abc", sp = "=-def"
-        x = strtok_r(NULL, "-=", &sp);  // x = "def", sp = NULL
-        x = strtok_r(NULL, "=", &sp);   // x = NULL
-                // s = "abc\0-def\0"
-
-   This is a variant of strtok() that is multithread-safe.
-
-   For the POSIX documentation for this function, see:
-   http://www.opengroup.org/susv3xsh/strtok.html
-
-   Caveat: It modifies the original string.
-   Caveat: These functions cannot be used on constant strings.
-   Caveat: The identity of the delimiting character is lost.
-   Caveat: It doesn't work with multibyte strings unless all of the delimiter
-           characters are ASCII characters < 0x30.
-
-   See also strsep().  */
-#if 
-# if 
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef strtok_r
-#   define strtok_r rpl_strtok_r
-#  endif
-_GL_FUNCDECL_RPL (strtok_r, char *,
-                  (char *restrict s, char const *restrict delim,
-                   char **restrict save_ptr)
-                  _GL_ARG_NONNULL ((2, 3)));
-_GL_CXXALIAS_RPL (strtok_r, char *,
-                  (char *restrict s, char const *restrict delim,
-                   char **restrict save_ptr));
-# else
-#  if  || defined GNULIB_POSIXCHECK
-#   undef strtok_r
-#  endif
-#  if ! 
-_GL_FUNCDECL_SYS (strtok_r, char *,
-                  (char *restrict s, char const *restrict delim,
-                   char **restrict save_ptr)
-                  _GL_ARG_NONNULL ((2, 3)));
-#  endif
-_GL_CXXALIAS_SYS (strtok_r, char *,
-                  (char *restrict s, char const *restrict delim,
-                   char **restrict save_ptr));
-# endif
-_GL_CXXALIASWARN (strtok_r);
-# if defined GNULIB_POSIXCHECK
-_GL_WARN_ON_USE (strtok_r, "strtok_r cannot work correctly on character "
-                 "strings in multibyte locales - "
-                 "use mbstok_r if you care about internationalization");
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef strtok_r
-# if HAVE_RAW_DECL_STRTOK_R
-_GL_WARN_ON_USE (strtok_r, "strtok_r is unportable - "
-                 "use gnulib module strtok_r for portability");
-# endif
-#endif
-
-
-/* The following functions are not specified by POSIX.  They are gnulib
-   extensions.  */
-
-#if 
-/* Return the number of multibyte characters in the character string STRING.
-   This considers multibyte characters, unlike strlen, which counts bytes.  */
-# ifdef __MirBSD__  /* MirBSD defines mbslen as a macro.  Override it.  */
-#  undef mbslen
-# endif
-# if   /* AIX, OSF/1, MirBSD define mbslen already in libc.  */
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define mbslen rpl_mbslen
-#  endif
-_GL_FUNCDECL_RPL (mbslen, size_t, (const char *string) _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (mbslen, size_t, (const char *string));
-# else
-_GL_FUNCDECL_SYS (mbslen, size_t, (const char *string) _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_SYS (mbslen, size_t, (const char *string));
-# endif
-_GL_CXXALIASWARN (mbslen);
-#endif
-
-#if 
-/* Return the number of multibyte characters in the character string starting
-   at STRING and ending at STRING + LEN.  */
-_GL_EXTERN_C size_t mbsnlen (const char *string, size_t len)
-     _GL_ARG_NONNULL ((1));
-#endif
-
-#if 
-/* Locate the first single-byte character C in the character string STRING,
-   and return a pointer to it.  Return NULL if C is not found in STRING.
-   Unlike strchr(), this function works correctly in multibyte locales with
-   encodings such as GB18030.  */
-# if defined __hpux
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define mbschr rpl_mbschr /* avoid collision with HP-UX function */
-#  endif
-_GL_FUNCDECL_RPL (mbschr, char *, (const char *string, int c)
-                                  _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (mbschr, char *, (const char *string, int c));
-# else
-_GL_FUNCDECL_SYS (mbschr, char *, (const char *string, int c)
-                                  _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_SYS (mbschr, char *, (const char *string, int c));
-# endif
-_GL_CXXALIASWARN (mbschr);
-#endif
-
-#if 
-/* Locate the last single-byte character C in the character string STRING,
-   and return a pointer to it.  Return NULL if C is not found in STRING.
-   Unlike strrchr(), this function works correctly in multibyte locales with
-   encodings such as GB18030.  */
-# if defined __hpux
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define mbsrchr rpl_mbsrchr /* avoid collision with HP-UX function */
-#  endif
-_GL_FUNCDECL_RPL (mbsrchr, char *, (const char *string, int c)
-                                   _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_RPL (mbsrchr, char *, (const char *string, int c));
-# else
-_GL_FUNCDECL_SYS (mbsrchr, char *, (const char *string, int c)
-                                   _GL_ARG_NONNULL ((1)));
-_GL_CXXALIAS_SYS (mbsrchr, char *, (const char *string, int c));
-# endif
-_GL_CXXALIASWARN (mbsrchr);
-#endif
-
-#if 
-/* Find the first occurrence of the character string NEEDLE in the character
-   string HAYSTACK.  Return NULL if NEEDLE is not found in HAYSTACK.
-   Unlike strstr(), this function works correctly in multibyte locales with
-   encodings different from UTF-8.  */
-_GL_EXTERN_C char * mbsstr (const char *haystack, const char *needle)
-     _GL_ARG_NONNULL ((1, 2));
-#endif
-
-#if 
-/* Compare the character strings S1 and S2, ignoring case, returning less than,
-   equal to or greater than zero if S1 is lexicographically less than, equal to
-   or greater than S2.
-   Note: This function may, in multibyte locales, return 0 for strings of
-   different lengths!
-   Unlike strcasecmp(), this function works correctly in multibyte locales.  */
-_GL_EXTERN_C int mbscasecmp (const char *s1, const char *s2)
-     _GL_ARG_NONNULL ((1, 2));
-#endif
-
-#if 
-/* Compare the initial segment of the character string S1 consisting of at most
-   N characters with the initial segment of the character string S2 consisting
-   of at most N characters, ignoring case, returning less than, equal to or
-   greater than zero if the initial segment of S1 is lexicographically less
-   than, equal to or greater than the initial segment of S2.
-   Note: This function may, in multibyte locales, return 0 for initial segments
-   of different lengths!
-   Unlike strncasecmp(), this function works correctly in multibyte locales.
-   But beware that N is not a byte count but a character count!  */
-_GL_EXTERN_C int mbsncasecmp (const char *s1, const char *s2, size_t n)
-     _GL_ARG_NONNULL ((1, 2));
-#endif
-
-#if 
-/* Compare the initial segment of the character string STRING consisting of
-   at most mbslen (PREFIX) characters with the character string PREFIX,
-   ignoring case.  If the two match, return a pointer to the first byte
-   after this prefix in STRING.  Otherwise, return NULL.
-   Note: This function may, in multibyte locales, return non-NULL if STRING
-   is of smaller length than PREFIX!
-   Unlike strncasecmp(), this function works correctly in multibyte
-   locales.  */
-_GL_EXTERN_C char * mbspcasecmp (const char *string, const char *prefix)
-     _GL_ARG_NONNULL ((1, 2));
-#endif
-
-#if 
-/* Find the first occurrence of the character string NEEDLE in the character
-   string HAYSTACK, using case-insensitive comparison.
-   Note: This function may, in multibyte locales, return success even if
-   strlen (haystack) < strlen (needle) !
-   Unlike strcasestr(), this function works correctly in multibyte locales.  */
-_GL_EXTERN_C char * mbscasestr (const char *haystack, const char *needle)
-     _GL_ARG_NONNULL ((1, 2));
-#endif
-
-#if 
-/* Find the first occurrence in the character string STRING of any character
-   in the character string ACCEPT.  Return the number of bytes from the
-   beginning of the string to this occurrence, or to the end of the string
-   if none exists.
-   Unlike strcspn(), this function works correctly in multibyte locales.  */
-_GL_EXTERN_C size_t mbscspn (const char *string, const char *accept)
-     _GL_ARG_NONNULL ((1, 2));
-#endif
-
-#if 
-/* Find the first occurrence in the character string STRING of any character
-   in the character string ACCEPT.  Return the pointer to it, or NULL if none
-   exists.
-   Unlike strpbrk(), this function works correctly in multibyte locales.  */
-# if defined __hpux
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define mbspbrk rpl_mbspbrk /* avoid collision with HP-UX function */
-#  endif
-_GL_FUNCDECL_RPL (mbspbrk, char *, (const char *string, const char *accept)
-                                   _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (mbspbrk, char *, (const char *string, const char *accept));
-# else
-_GL_FUNCDECL_SYS (mbspbrk, char *, (const char *string, const char *accept)
-                                   _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_SYS (mbspbrk, char *, (const char *string, const char *accept));
-# endif
-_GL_CXXALIASWARN (mbspbrk);
-#endif
-
-#if 
-/* Find the first occurrence in the character string STRING of any character
-   not in the character string REJECT.  Return the number of bytes from the
-   beginning of the string to this occurrence, or to the end of the string
-   if none exists.
-   Unlike strspn(), this function works correctly in multibyte locales.  */
-_GL_EXTERN_C size_t mbsspn (const char *string, const char *reject)
-     _GL_ARG_NONNULL ((1, 2));
-#endif
-
-#if 
-/* Search the next delimiter (multibyte character listed in the character
-   string DELIM) starting at the character string *STRINGP.
-   If one is found, overwrite it with a NUL, and advance *STRINGP to point
-   to the next multibyte character after it.  Otherwise, set *STRINGP to NULL.
-   If *STRINGP was already NULL, nothing happens.
-   Return the old value of *STRINGP.
-
-   This is a variant of mbstok_r() that supports empty fields.
-
-   Caveat: It modifies the original string.
-   Caveat: These functions cannot be used on constant strings.
-   Caveat: The identity of the delimiting character is lost.
-
-   See also mbstok_r().  */
-_GL_EXTERN_C char * mbssep (char **stringp, const char *delim)
-     _GL_ARG_NONNULL ((1, 2));
-#endif
-
-#if 
-/* Parse the character string STRING into tokens separated by characters in
-   the character string DELIM.
-   If STRING is NULL, the saved pointer in SAVE_PTR is used as
-   the next starting point.  For example:
-        char s[] = "-abc-=-def";
-        char *sp;
-        x = mbstok_r(s, "-", &sp);      // x = "abc", sp = "=-def"
-        x = mbstok_r(NULL, "-=", &sp);  // x = "def", sp = NULL
-        x = mbstok_r(NULL, "=", &sp);   // x = NULL
-                // s = "abc\0-def\0"
-
-   Caveat: It modifies the original string.
-   Caveat: These functions cannot be used on constant strings.
-   Caveat: The identity of the delimiting character is lost.
-
-   See also mbssep().  */
-_GL_EXTERN_C char * mbstok_r (char *string, const char *delim, char **save_ptr)
-     _GL_ARG_NONNULL ((2, 3));
-#endif
-
-/* Map any int, typically from errno, into an error message.  */
-#if 
-# if 
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef strerror
-#   define strerror rpl_strerror
-#  endif
-_GL_FUNCDECL_RPL (strerror, char *, (int));
-_GL_CXXALIAS_RPL (strerror, char *, (int));
-# else
-_GL_CXXALIAS_SYS (strerror, char *, (int));
-# endif
-_GL_CXXALIASWARN (strerror);
-#elif defined GNULIB_POSIXCHECK
-# undef strerror
-/* Assume strerror is always declared.  */
-_GL_WARN_ON_USE (strerror, "strerror is unportable - "
-                 "use gnulib module strerror to guarantee non-NULL result");
-#endif
-
-/* Map any int, typically from errno, into an error message.  Multithread-safe.
-   Uses the POSIX declaration, not the glibc declaration.  */
-#if 
-# if 
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef strerror_r
-#   define strerror_r rpl_strerror_r
-#  endif
-_GL_FUNCDECL_RPL (strerror_r, int, (int errnum, char *buf, size_t buflen)
-                                   _GL_ARG_NONNULL ((2)));
-_GL_CXXALIAS_RPL (strerror_r, int, (int errnum, char *buf, size_t buflen));
-# else
-#  if !
-_GL_FUNCDECL_SYS (strerror_r, int, (int errnum, char *buf, size_t buflen)
-                                   _GL_ARG_NONNULL ((2)));
-#  endif
-_GL_CXXALIAS_SYS (strerror_r, int, (int errnum, char *buf, size_t buflen));
-# endif
-# if 
-_GL_CXXALIASWARN (strerror_r);
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef strerror_r
-# if HAVE_RAW_DECL_STRERROR_R
-_GL_WARN_ON_USE (strerror_r, "strerror_r is unportable - "
-                 "use gnulib module strerror_r-posix for portability");
-# endif
-#endif
-
-#if 
-# if 
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   define strsignal rpl_strsignal
-#  endif
-_GL_FUNCDECL_RPL (strsignal, char *, (int __sig));
-_GL_CXXALIAS_RPL (strsignal, char *, (int __sig));
-# else
-#  if ! 
-_GL_FUNCDECL_SYS (strsignal, char *, (int __sig));
-#  endif
-/* Need to cast, because on Cygwin 1.5.x systems, the return type is
-   'const char *'.  */
-_GL_CXXALIAS_SYS_CAST (strsignal, char *, (int __sig));
-# endif
-_GL_CXXALIASWARN (strsignal);
-#elif defined GNULIB_POSIXCHECK
-# undef strsignal
-# if HAVE_RAW_DECL_STRSIGNAL
-_GL_WARN_ON_USE (strsignal, "strsignal is unportable - "
-                 "use gnulib module strsignal for portability");
-# endif
-#endif
-
-#if 
-# if !
-_GL_FUNCDECL_SYS (strverscmp, int, (const char *, const char *)
-                                   _GL_ARG_NONNULL ((1, 2)));
-# endif
-_GL_CXXALIAS_SYS (strverscmp, int, (const char *, const char *));
-_GL_CXXALIASWARN (strverscmp);
-#elif defined GNULIB_POSIXCHECK
-# undef strverscmp
-# if HAVE_RAW_DECL_STRVERSCMP
-_GL_WARN_ON_USE (strverscmp, "strverscmp is unportable - "
-                 "use gnulib module strverscmp for portability");
-# endif
-#endif
-
-
-#endif /* _GL_STRING_H */
-#endif /* _GL_STRING_H */