[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/string/string.h b/ap/libc/glibc/glibc-2.23/string/string.h
new file mode 100644
index 0000000..1f3e348
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/string/string.h
@@ -0,0 +1,660 @@
+/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/*
+ * ISO C99 Standard: 7.21 String handling <string.h>
+ */
+
+#ifndef _STRING_H
+#define _STRING_H 1
+
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* Get size_t and NULL from <stddef.h>. */
+#define __need_size_t
+#define __need_NULL
+#include <stddef.h>
+
+/* Tell the caller that we provide correct C++ prototypes. */
+#if defined __cplusplus && __GNUC_PREREQ (4, 4)
+# define __CORRECT_ISO_CPP_STRING_H_PROTO
+#endif
+
+
+__BEGIN_NAMESPACE_STD
+/* Copy N bytes of SRC to DEST. */
+extern void *memcpy (void *__restrict __dest, const void *__restrict __src,
+ size_t __n) __THROW __nonnull ((1, 2));
+/* Copy N bytes of SRC to DEST, guaranteeing
+ correct behavior for overlapping strings. */
+extern void *memmove (void *__dest, const void *__src, size_t __n)
+ __THROW __nonnull ((1, 2));
+__END_NAMESPACE_STD
+
+/* Copy no more than N bytes of SRC to DEST, stopping when C is found.
+ Return the position in DEST one byte past where C was copied,
+ or NULL if C was not found in the first N bytes of SRC. */
+#if defined __USE_MISC || defined __USE_XOPEN
+extern void *memccpy (void *__restrict __dest, const void *__restrict __src,
+ int __c, size_t __n)
+ __THROW __nonnull ((1, 2));
+#endif /* Misc || X/Open. */
+
+
+__BEGIN_NAMESPACE_STD
+/* Set N bytes of S to C. */
+extern void *memset (void *__s, int __c, size_t __n) __THROW __nonnull ((1));
+
+/* Compare N bytes of S1 and S2. */
+extern int memcmp (const void *__s1, const void *__s2, size_t __n)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+
+/* Search N bytes of S for C. */
+#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
+extern "C++"
+{
+extern void *memchr (void *__s, int __c, size_t __n)
+ __THROW __asm ("memchr") __attribute_pure__ __nonnull ((1));
+extern const void *memchr (const void *__s, int __c, size_t __n)
+ __THROW __asm ("memchr") __attribute_pure__ __nonnull ((1));
+
+# ifdef __OPTIMIZE__
+__extern_always_inline void *
+memchr (void *__s, int __c, size_t __n) __THROW
+{
+ return __builtin_memchr (__s, __c, __n);
+}
+
+__extern_always_inline const void *
+memchr (const void *__s, int __c, size_t __n) __THROW
+{
+ return __builtin_memchr (__s, __c, __n);
+}
+# endif
+}
+#else
+extern void *memchr (const void *__s, int __c, size_t __n)
+ __THROW __attribute_pure__ __nonnull ((1));
+#endif
+__END_NAMESPACE_STD
+
+#ifdef __USE_GNU
+/* Search in S for C. This is similar to `memchr' but there is no
+ length limit. */
+# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
+extern "C++" void *rawmemchr (void *__s, int __c)
+ __THROW __asm ("rawmemchr") __attribute_pure__ __nonnull ((1));
+extern "C++" const void *rawmemchr (const void *__s, int __c)
+ __THROW __asm ("rawmemchr") __attribute_pure__ __nonnull ((1));
+# else
+extern void *rawmemchr (const void *__s, int __c)
+ __THROW __attribute_pure__ __nonnull ((1));
+# endif
+
+/* Search N bytes of S for the final occurrence of C. */
+# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
+extern "C++" void *memrchr (void *__s, int __c, size_t __n)
+ __THROW __asm ("memrchr") __attribute_pure__ __nonnull ((1));
+extern "C++" const void *memrchr (const void *__s, int __c, size_t __n)
+ __THROW __asm ("memrchr") __attribute_pure__ __nonnull ((1));
+# else
+extern void *memrchr (const void *__s, int __c, size_t __n)
+ __THROW __attribute_pure__ __nonnull ((1));
+# endif
+#endif
+
+
+__BEGIN_NAMESPACE_STD
+/* Copy SRC to DEST. */
+extern char *strcpy (char *__restrict __dest, const char *__restrict __src)
+ __THROW __nonnull ((1, 2));
+/* Copy no more than N characters of SRC to DEST. */
+extern char *strncpy (char *__restrict __dest,
+ const char *__restrict __src, size_t __n)
+ __THROW __nonnull ((1, 2));
+
+/* Append SRC onto DEST. */
+extern char *strcat (char *__restrict __dest, const char *__restrict __src)
+ __THROW __nonnull ((1, 2));
+/* Append no more than N characters from SRC onto DEST. */
+extern char *strncat (char *__restrict __dest, const char *__restrict __src,
+ size_t __n) __THROW __nonnull ((1, 2));
+
+/* Compare S1 and S2. */
+extern int strcmp (const char *__s1, const char *__s2)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+/* Compare N characters of S1 and S2. */
+extern int strncmp (const char *__s1, const char *__s2, size_t __n)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+
+/* Compare the collated forms of S1 and S2. */
+extern int strcoll (const char *__s1, const char *__s2)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+/* Put a transformation of SRC into no more than N bytes of DEST. */
+extern size_t strxfrm (char *__restrict __dest,
+ const char *__restrict __src, size_t __n)
+ __THROW __nonnull ((2));
+__END_NAMESPACE_STD
+
+#ifdef __USE_XOPEN2K8
+/* The following functions are equivalent to the both above but they
+ take the locale they use for the collation as an extra argument.
+ This is not standardsized but something like will come. */
+# include <xlocale.h>
+
+/* Compare the collated forms of S1 and S2 using rules from L. */
+extern int strcoll_l (const char *__s1, const char *__s2, __locale_t __l)
+ __THROW __attribute_pure__ __nonnull ((1, 2, 3));
+/* Put a transformation of SRC into no more than N bytes of DEST. */
+extern size_t strxfrm_l (char *__dest, const char *__src, size_t __n,
+ __locale_t __l) __THROW __nonnull ((2, 4));
+#endif
+
+#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
+/* Duplicate S, returning an identical malloc'd string. */
+extern char *strdup (const char *__s)
+ __THROW __attribute_malloc__ __nonnull ((1));
+#endif
+
+/* Return a malloc'd copy of at most N bytes of STRING. The
+ resultant string is terminated even if no null terminator
+ appears before STRING[N]. */
+#if defined __USE_XOPEN2K8
+extern char *strndup (const char *__string, size_t __n)
+ __THROW __attribute_malloc__ __nonnull ((1));
+#endif
+
+#if defined __USE_GNU && defined __GNUC__
+/* Duplicate S, returning an identical alloca'd string. */
+# define strdupa(s) \
+ (__extension__ \
+ ({ \
+ const char *__old = (s); \
+ size_t __len = strlen (__old) + 1; \
+ char *__new = (char *) __builtin_alloca (__len); \
+ (char *) memcpy (__new, __old, __len); \
+ }))
+
+/* Return an alloca'd copy of at most N bytes of string. */
+# define strndupa(s, n) \
+ (__extension__ \
+ ({ \
+ const char *__old = (s); \
+ size_t __len = strnlen (__old, (n)); \
+ char *__new = (char *) __builtin_alloca (__len + 1); \
+ __new[__len] = '\0'; \
+ (char *) memcpy (__new, __old, __len); \
+ }))
+#endif
+
+__BEGIN_NAMESPACE_STD
+/* Find the first occurrence of C in S. */
+#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
+extern "C++"
+{
+extern char *strchr (char *__s, int __c)
+ __THROW __asm ("strchr") __attribute_pure__ __nonnull ((1));
+extern const char *strchr (const char *__s, int __c)
+ __THROW __asm ("strchr") __attribute_pure__ __nonnull ((1));
+
+# ifdef __OPTIMIZE__
+__extern_always_inline char *
+strchr (char *__s, int __c) __THROW
+{
+ return __builtin_strchr (__s, __c);
+}
+
+__extern_always_inline const char *
+strchr (const char *__s, int __c) __THROW
+{
+ return __builtin_strchr (__s, __c);
+}
+# endif
+}
+#else
+extern char *strchr (const char *__s, int __c)
+ __THROW __attribute_pure__ __nonnull ((1));
+#endif
+/* Find the last occurrence of C in S. */
+#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
+extern "C++"
+{
+extern char *strrchr (char *__s, int __c)
+ __THROW __asm ("strrchr") __attribute_pure__ __nonnull ((1));
+extern const char *strrchr (const char *__s, int __c)
+ __THROW __asm ("strrchr") __attribute_pure__ __nonnull ((1));
+
+# ifdef __OPTIMIZE__
+__extern_always_inline char *
+strrchr (char *__s, int __c) __THROW
+{
+ return __builtin_strrchr (__s, __c);
+}
+
+__extern_always_inline const char *
+strrchr (const char *__s, int __c) __THROW
+{
+ return __builtin_strrchr (__s, __c);
+}
+# endif
+}
+#else
+extern char *strrchr (const char *__s, int __c)
+ __THROW __attribute_pure__ __nonnull ((1));
+#endif
+__END_NAMESPACE_STD
+
+#ifdef __USE_GNU
+/* This function is similar to `strchr'. But it returns a pointer to
+ the closing NUL byte in case C is not found in S. */
+# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
+extern "C++" char *strchrnul (char *__s, int __c)
+ __THROW __asm ("strchrnul") __attribute_pure__ __nonnull ((1));
+extern "C++" const char *strchrnul (const char *__s, int __c)
+ __THROW __asm ("strchrnul") __attribute_pure__ __nonnull ((1));
+# else
+extern char *strchrnul (const char *__s, int __c)
+ __THROW __attribute_pure__ __nonnull ((1));
+# endif
+#endif
+
+__BEGIN_NAMESPACE_STD
+/* Return the length of the initial segment of S which
+ consists entirely of characters not in REJECT. */
+extern size_t strcspn (const char *__s, const char *__reject)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+/* Return the length of the initial segment of S which
+ consists entirely of characters in ACCEPT. */
+extern size_t strspn (const char *__s, const char *__accept)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+/* Find the first occurrence in S of any character in ACCEPT. */
+#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
+extern "C++"
+{
+extern char *strpbrk (char *__s, const char *__accept)
+ __THROW __asm ("strpbrk") __attribute_pure__ __nonnull ((1, 2));
+extern const char *strpbrk (const char *__s, const char *__accept)
+ __THROW __asm ("strpbrk") __attribute_pure__ __nonnull ((1, 2));
+
+# ifdef __OPTIMIZE__
+__extern_always_inline char *
+strpbrk (char *__s, const char *__accept) __THROW
+{
+ return __builtin_strpbrk (__s, __accept);
+}
+
+__extern_always_inline const char *
+strpbrk (const char *__s, const char *__accept) __THROW
+{
+ return __builtin_strpbrk (__s, __accept);
+}
+# endif
+}
+#else
+extern char *strpbrk (const char *__s, const char *__accept)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+#endif
+/* Find the first occurrence of NEEDLE in HAYSTACK. */
+#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
+extern "C++"
+{
+extern char *strstr (char *__haystack, const char *__needle)
+ __THROW __asm ("strstr") __attribute_pure__ __nonnull ((1, 2));
+extern const char *strstr (const char *__haystack, const char *__needle)
+ __THROW __asm ("strstr") __attribute_pure__ __nonnull ((1, 2));
+
+# ifdef __OPTIMIZE__
+__extern_always_inline char *
+strstr (char *__haystack, const char *__needle) __THROW
+{
+ return __builtin_strstr (__haystack, __needle);
+}
+
+__extern_always_inline const char *
+strstr (const char *__haystack, const char *__needle) __THROW
+{
+ return __builtin_strstr (__haystack, __needle);
+}
+# endif
+}
+#else
+extern char *strstr (const char *__haystack, const char *__needle)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+#endif
+
+
+/* Divide S into tokens separated by characters in DELIM. */
+extern char *strtok (char *__restrict __s, const char *__restrict __delim)
+ __THROW __nonnull ((2));
+__END_NAMESPACE_STD
+
+/* Divide S into tokens separated by characters in DELIM. Information
+ passed between calls are stored in SAVE_PTR. */
+extern char *__strtok_r (char *__restrict __s,
+ const char *__restrict __delim,
+ char **__restrict __save_ptr)
+ __THROW __nonnull ((2, 3));
+#ifdef __USE_POSIX
+extern char *strtok_r (char *__restrict __s, const char *__restrict __delim,
+ char **__restrict __save_ptr)
+ __THROW __nonnull ((2, 3));
+#endif
+
+#ifdef __USE_GNU
+/* Similar to `strstr' but this function ignores the case of both strings. */
+# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
+extern "C++" char *strcasestr (char *__haystack, const char *__needle)
+ __THROW __asm ("strcasestr") __attribute_pure__ __nonnull ((1, 2));
+extern "C++" const char *strcasestr (const char *__haystack,
+ const char *__needle)
+ __THROW __asm ("strcasestr") __attribute_pure__ __nonnull ((1, 2));
+# else
+extern char *strcasestr (const char *__haystack, const char *__needle)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+# endif
+#endif
+
+#ifdef __USE_GNU
+/* Find the first occurrence of NEEDLE in HAYSTACK.
+ NEEDLE is NEEDLELEN bytes long;
+ HAYSTACK is HAYSTACKLEN bytes long. */
+extern void *memmem (const void *__haystack, size_t __haystacklen,
+ const void *__needle, size_t __needlelen)
+ __THROW __attribute_pure__ __nonnull ((1, 3));
+
+/* Copy N bytes of SRC to DEST, return pointer to bytes after the
+ last written byte. */
+extern void *__mempcpy (void *__restrict __dest,
+ const void *__restrict __src, size_t __n)
+ __THROW __nonnull ((1, 2));
+extern void *mempcpy (void *__restrict __dest,
+ const void *__restrict __src, size_t __n)
+ __THROW __nonnull ((1, 2));
+#endif
+
+
+__BEGIN_NAMESPACE_STD
+/* Return the length of S. */
+extern size_t strlen (const char *__s)
+ __THROW __attribute_pure__ __nonnull ((1));
+__END_NAMESPACE_STD
+
+#ifdef __USE_XOPEN2K8
+/* Find the length of STRING, but scan at most MAXLEN characters.
+ If no '\0' terminator is found in that many characters, return MAXLEN. */
+extern size_t strnlen (const char *__string, size_t __maxlen)
+ __THROW __attribute_pure__ __nonnull ((1));
+#endif
+
+
+__BEGIN_NAMESPACE_STD
+/* Return a string describing the meaning of the `errno' code in ERRNUM. */
+extern char *strerror (int __errnum) __THROW;
+__END_NAMESPACE_STD
+#ifdef __USE_XOPEN2K
+/* Reentrant version of `strerror'.
+ There are 2 flavors of `strerror_r', GNU which returns the string
+ and may or may not use the supplied temporary buffer and POSIX one
+ which fills the string into the buffer.
+ To use the POSIX version, -D_XOPEN_SOURCE=600 or -D_POSIX_C_SOURCE=200112L
+ without -D_GNU_SOURCE is needed, otherwise the GNU version is
+ preferred. */
+# if defined __USE_XOPEN2K && !defined __USE_GNU
+/* Fill BUF with a string describing the meaning of the `errno' code in
+ ERRNUM. */
+# ifdef __REDIRECT_NTH
+extern int __REDIRECT_NTH (strerror_r,
+ (int __errnum, char *__buf, size_t __buflen),
+ __xpg_strerror_r) __nonnull ((2));
+# else
+extern int __xpg_strerror_r (int __errnum, char *__buf, size_t __buflen)
+ __THROW __nonnull ((2));
+# define strerror_r __xpg_strerror_r
+# endif
+# else
+/* If a temporary buffer is required, at most BUFLEN bytes of BUF will be
+ used. */
+extern char *strerror_r (int __errnum, char *__buf, size_t __buflen)
+ __THROW __nonnull ((2)) __wur;
+# endif
+#endif
+
+#ifdef __USE_XOPEN2K8
+/* Translate error number to string according to the locale L. */
+extern char *strerror_l (int __errnum, __locale_t __l) __THROW;
+#endif
+
+
+/* We define this function always since `bzero' is sometimes needed when
+ the namespace rules does not allow this. */
+extern void __bzero (void *__s, size_t __n) __THROW __nonnull ((1));
+
+#ifdef __USE_MISC
+/* Copy N bytes of SRC to DEST (like memmove, but args reversed). */
+extern void bcopy (const void *__src, void *__dest, size_t __n)
+ __THROW __nonnull ((1, 2));
+
+/* Set N bytes of S to 0. */
+extern void bzero (void *__s, size_t __n) __THROW __nonnull ((1));
+
+/* Compare N bytes of S1 and S2 (same as memcmp). */
+extern int bcmp (const void *__s1, const void *__s2, size_t __n)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+
+/* Find the first occurrence of C in S (same as strchr). */
+# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
+extern "C++"
+{
+extern char *index (char *__s, int __c)
+ __THROW __asm ("index") __attribute_pure__ __nonnull ((1));
+extern const char *index (const char *__s, int __c)
+ __THROW __asm ("index") __attribute_pure__ __nonnull ((1));
+
+# if defined __OPTIMIZE__ && !defined __CORRECT_ISO_CPP_STRINGS_H_PROTO
+__extern_always_inline char *
+index (char *__s, int __c) __THROW
+{
+ return __builtin_index (__s, __c);
+}
+
+__extern_always_inline const char *
+index (const char *__s, int __c) __THROW
+{
+ return __builtin_index (__s, __c);
+}
+# endif
+}
+# else
+extern char *index (const char *__s, int __c)
+ __THROW __attribute_pure__ __nonnull ((1));
+# endif
+
+/* Find the last occurrence of C in S (same as strrchr). */
+# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
+extern "C++"
+{
+extern char *rindex (char *__s, int __c)
+ __THROW __asm ("rindex") __attribute_pure__ __nonnull ((1));
+extern const char *rindex (const char *__s, int __c)
+ __THROW __asm ("rindex") __attribute_pure__ __nonnull ((1));
+
+# if defined __OPTIMIZE__ && !defined __CORRECT_ISO_CPP_STRINGS_H_PROTO
+__extern_always_inline char *
+rindex (char *__s, int __c) __THROW
+{
+ return __builtin_rindex (__s, __c);
+}
+
+__extern_always_inline const char *
+rindex (const char *__s, int __c) __THROW
+{
+ return __builtin_rindex (__s, __c);
+}
+#endif
+}
+# else
+extern char *rindex (const char *__s, int __c)
+ __THROW __attribute_pure__ __nonnull ((1));
+# endif
+
+/* Return the position of the first bit set in I, or 0 if none are set.
+ The least-significant bit is position 1, the most-significant 32. */
+extern int ffs (int __i) __THROW __attribute__ ((__const__));
+
+/* The following two functions are non-standard but necessary for non-32 bit
+ platforms. */
+# ifdef __USE_GNU
+extern int ffsl (long int __l) __THROW __attribute__ ((__const__));
+__extension__ extern int ffsll (long long int __ll)
+ __THROW __attribute__ ((__const__));
+# endif
+
+/* Compare S1 and S2, ignoring case. */
+extern int strcasecmp (const char *__s1, const char *__s2)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+
+/* Compare no more than N chars of S1 and S2, ignoring case. */
+extern int strncasecmp (const char *__s1, const char *__s2, size_t __n)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+#endif /* Use misc. */
+
+#ifdef __USE_GNU
+/* Again versions of a few functions which use the given locale instead
+ of the global one. */
+extern int strcasecmp_l (const char *__s1, const char *__s2,
+ __locale_t __loc)
+ __THROW __attribute_pure__ __nonnull ((1, 2, 3));
+
+extern int strncasecmp_l (const char *__s1, const char *__s2,
+ size_t __n, __locale_t __loc)
+ __THROW __attribute_pure__ __nonnull ((1, 2, 4));
+#endif
+
+#ifdef __USE_MISC
+/* Return the next DELIM-delimited token from *STRINGP,
+ terminating it with a '\0', and update *STRINGP to point past it. */
+extern char *strsep (char **__restrict __stringp,
+ const char *__restrict __delim)
+ __THROW __nonnull ((1, 2));
+#endif
+
+#ifdef __USE_XOPEN2K8
+/* Return a string describing the meaning of the signal number in SIG. */
+extern char *strsignal (int __sig) __THROW;
+
+/* Copy SRC to DEST, returning the address of the terminating '\0' in DEST. */
+extern char *__stpcpy (char *__restrict __dest, const char *__restrict __src)
+ __THROW __nonnull ((1, 2));
+extern char *stpcpy (char *__restrict __dest, const char *__restrict __src)
+ __THROW __nonnull ((1, 2));
+
+/* Copy no more than N characters of SRC to DEST, returning the address of
+ the last character written into DEST. */
+extern char *__stpncpy (char *__restrict __dest,
+ const char *__restrict __src, size_t __n)
+ __THROW __nonnull ((1, 2));
+extern char *stpncpy (char *__restrict __dest,
+ const char *__restrict __src, size_t __n)
+ __THROW __nonnull ((1, 2));
+#endif
+
+#ifdef __USE_GNU
+/* Compare S1 and S2 as strings holding name & indices/version numbers. */
+extern int strverscmp (const char *__s1, const char *__s2)
+ __THROW __attribute_pure__ __nonnull ((1, 2));
+
+/* Sautee STRING briskly. */
+extern char *strfry (char *__string) __THROW __nonnull ((1));
+
+/* Frobnicate N bytes of S. */
+extern void *memfrob (void *__s, size_t __n) __THROW __nonnull ((1));
+
+# ifndef basename
+/* Return the file name within directory of FILENAME. We don't
+ declare the function if the `basename' macro is available (defined
+ in <libgen.h>) which makes the XPG version of this function
+ available. */
+# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
+extern "C++" char *basename (char *__filename)
+ __THROW __asm ("basename") __nonnull ((1));
+extern "C++" const char *basename (const char *__filename)
+ __THROW __asm ("basename") __nonnull ((1));
+# else
+extern char *basename (const char *__filename) __THROW __nonnull ((1));
+# endif
+# endif
+#endif
+
+
+#if defined __GNUC__ && __GNUC__ >= 2
+# if defined __OPTIMIZE__ && !defined __OPTIMIZE_SIZE__ \
+ && !defined __NO_INLINE__ && !defined __cplusplus
+/* When using GNU CC we provide some optimized versions of selected
+ functions from this header. There are two kinds of optimizations:
+
+ - machine-dependent optimizations, most probably using inline
+ assembler code; these might be quite expensive since the code
+ size can increase significantly.
+ These optimizations are not used unless the symbol
+ __USE_STRING_INLINES
+ is defined before including this header.
+
+ - machine-independent optimizations which do not increase the
+ code size significantly and which optimize mainly situations
+ where one or more arguments are compile-time constants.
+ These optimizations are used always when the compiler is
+ taught to optimize.
+
+ One can inhibit all optimizations by defining __NO_STRING_INLINES. */
+
+/* Get the machine-dependent optimizations (if any). */
+# include <bits/string.h>
+
+/* These are generic optimizations which do not add too much inline code. */
+# include <bits/string2.h>
+# endif
+
+# if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
+/* Functions with security checks. */
+# include <bits/string3.h>
+# endif
+#endif
+
+#if defined __USE_GNU && defined __OPTIMIZE__ \
+ && defined __extern_always_inline && __GNUC_PREREQ (3,2)
+# if !defined _FORCE_INLINES && !defined _HAVE_STRING_ARCH_mempcpy
+
+#undef mempcpy
+#undef __mempcpy
+#define mempcpy(dest, src, n) __mempcpy_inline (dest, src, n)
+#define __mempcpy(dest, src, n) __mempcpy_inline (dest, src, n)
+
+__extern_always_inline void *
+__mempcpy_inline (void *__restrict __dest,
+ const void *__restrict __src, size_t __n)
+{
+ return (char *) memcpy (__dest, __src, __n) + __n;
+}
+
+# endif
+#endif
+
+__END_DECLS
+
+#endif /* string.h */