/* 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_SVID || defined __USE_BSD || 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));
#if defined __USE_POSIX || defined __USE_MISC
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
#if defined __USE_XOPEN2K || defined __USE_MISC
/* 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_BSD
/* 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__));
# ifdef __GNUC__
__extension__ extern int ffsll (long long int __ll)
__THROW __attribute__ ((__const__));
# endif
# 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 BSD. */
#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_BSD
/* 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 ) 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
/* These are generic optimizations which do not add too much inline code. */
# include
# endif
# if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
/* Functions with security checks. */
# include
# endif
#endif
__END_DECLS
#endif /* string.h */