/* Define ISO C stdio on top of C++ iostreams.
- Copyright (C) 1991, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1991-2015 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 Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ 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 C Standard: 4.9 INPUT/OUTPUT <stdio.h>
+ * ISO C99 Standard: 7.19 Input/output <stdio.h>
*/
#ifndef _STDIO_H
-#if !defined __need_FILE
-#define _STDIO_H 1
-#include <features.h>
+#if !defined __need_FILE && !defined __need___FILE
+# define _STDIO_H 1
+# include <features.h>
__BEGIN_DECLS
-#define __need_size_t
-#define __need_NULL
-#include <stddef.h>
+# define __need_size_t
+# define __need_NULL
+# include <stddef.h>
-#include <bits/types.h>
+# include <bits/types.h>
+# define __need_FILE
+# define __need___FILE
#endif /* Don't need FILE. */
-#undef __need_FILE
-#ifndef __FILE_defined
+#if !defined __FILE_defined && defined __need_FILE
+
+/* Define outside of namespace so the C++ is happy. */
+struct _IO_FILE;
-/* The opaque type of streams. */
+__BEGIN_NAMESPACE_STD
+/* The opaque type of streams. This is the definition used elsewhere. */
typedef struct _IO_FILE FILE;
+__END_NAMESPACE_STD
+#if defined __USE_LARGEFILE64 || defined __USE_POSIX \
+ || defined __USE_ISOC99 || defined __USE_XOPEN \
+ || defined __USE_POSIX2
+__USING_NAMESPACE_STD(FILE)
+#endif
-#define __FILE_defined 1
+# define __FILE_defined 1
#endif /* FILE not defined. */
+#undef __need_FILE
+
+
+#if !defined ____FILE_defined && defined __need___FILE
+
+/* The opaque type of streams. This is the definition used elsewhere. */
+typedef struct _IO_FILE __FILE;
+
+# define ____FILE_defined 1
+#endif /* __FILE not defined. */
+#undef __need___FILE
#ifdef _STDIO_H
#include <libio.h>
-#ifdef __cplusplus
-# define __STDIO_INLINE inline
-#else
-# define __STDIO_INLINE extern __inline
+#if defined __USE_XOPEN || defined __USE_XOPEN2K8
+# ifdef __GNUC__
+# ifndef _VA_LIST_DEFINED
+typedef _G_va_list va_list;
+# define _VA_LIST_DEFINED
+# endif
+# else
+# include <stdarg.h>
+# endif
+#endif
+
+#ifdef __USE_XOPEN2K8
+# ifndef __off_t_defined
+# ifndef __USE_FILE_OFFSET64
+typedef __off_t off_t;
+# else
+typedef __off64_t off_t;
+# endif
+# define __off_t_defined
+# endif
+# if defined __USE_LARGEFILE64 && !defined __off64_t_defined
+typedef __off64_t off64_t;
+# define __off64_t_defined
+# endif
+
+# ifndef __ssize_t_defined
+typedef __ssize_t ssize_t;
+# define __ssize_t_defined
+# endif
#endif
/* The type of the second argument to `fgetpos' and `fsetpos'. */
+__BEGIN_NAMESPACE_STD
+#ifndef __USE_FILE_OFFSET64
typedef _G_fpos_t fpos_t;
-
-
-/* Generate a unique file name (and possibly open it with mode "w+b"). */
-extern char *__stdio_gen_tempname __P ((char *__buf, size_t __bufsize,
- __const char *__dir,
- __const char *__pfx,
- int __dir_search,
- size_t *__lenptr,
- FILE **__streamptr));
-
-
-/* Print out MESSAGE on the error output and abort. */
-extern void __libc_fatal __P ((__const char *__message))
- __attribute__ ((__noreturn__));
-
+#else
+typedef _G_fpos64_t fpos_t;
+#endif
+__END_NAMESPACE_STD
+#ifdef __USE_LARGEFILE64
+typedef _G_fpos64_t fpos64_t;
+#endif
/* The possibilities for the third argument to `setvbuf'. */
-#define _IOFBF 0 /* Fully buffered. */
+#define _IOFBF 0 /* Fully buffered. */
#define _IOLBF 1 /* Line buffered. */
#define _IONBF 2 /* No buffering. */
/* Default buffer size. */
#ifndef BUFSIZ
-#define BUFSIZ _IO_BUFSIZ
+# define BUFSIZ _IO_BUFSIZ
#endif
/* End of file character.
Some things throughout the library rely on this being -1. */
#ifndef EOF
-#define EOF (-1)
+# define EOF (-1)
#endif
#define SEEK_SET 0 /* Seek from beginning of file. */
#define SEEK_CUR 1 /* Seek from current position. */
#define SEEK_END 2 /* Seek from end of file. */
+#ifdef __USE_GNU
+# define SEEK_DATA 3 /* Seek to next data. */
+# define SEEK_HOLE 4 /* Seek to next hole. */
+#endif
-#ifdef __USE_SVID
+#if defined __USE_MISC || defined __USE_XOPEN
/* Default path prefix for `tempnam' and `tmpnam'. */
-#define P_tmpdir "/tmp"
+# define P_tmpdir "/tmp"
#endif
/* Get the values:
L_tmpnam How long an array of chars must be to be passed to `tmpnam'.
TMP_MAX The minimum number of unique filenames generated by tmpnam
- (and tempnam when it uses tmpnam's name space),
+ (and tempnam when it uses tmpnam's name space),
or tempnam (the two are separate).
L_ctermid How long an array to pass to `ctermid'.
L_cuserid How long an array to pass to `cuserid'.
/* Standard streams. */
-extern FILE *stdin, *stdout, *stderr;
-/* Refer to the real names by default. */
-#define stdin _IO_stdin
-#define stdout _IO_stdout
-#define stderr _IO_stderr
-
-
+extern struct _IO_FILE *stdin; /* Standard input stream. */
+extern struct _IO_FILE *stdout; /* Standard output stream. */
+extern struct _IO_FILE *stderr; /* Standard error output stream. */
+/* C89/C99 say they're macros. Make them happy. */
+#define stdin stdin
+#define stdout stdout
+#define stderr stderr
+
+__BEGIN_NAMESPACE_STD
/* Remove file FILENAME. */
-extern int remove __P ((__const char *__filename));
+extern int remove (const char *__filename) __THROW;
/* Rename file OLD to NEW. */
-extern int rename __P ((__const char *__old, __const char *__new));
+extern int rename (const char *__old, const char *__new) __THROW;
+__END_NAMESPACE_STD
+#ifdef __USE_ATFILE
+/* Rename file OLD relative to OLDFD to NEW relative to NEWFD. */
+extern int renameat (int __oldfd, const char *__old, int __newfd,
+ const char *__new) __THROW;
+#endif
+
+__BEGIN_NAMESPACE_STD
+/* Create a temporary file and open it read/write.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+#ifndef __USE_FILE_OFFSET64
+extern FILE *tmpfile (void) __wur;
+#else
+# ifdef __REDIRECT
+extern FILE *__REDIRECT (tmpfile, (void), tmpfile64) __wur;
+# else
+# define tmpfile tmpfile64
+# endif
+#endif
+
+#ifdef __USE_LARGEFILE64
+extern FILE *tmpfile64 (void) __wur;
+#endif
-/* Create a temporary file and open it read/write. */
-extern FILE *tmpfile __P ((void));
/* Generate a temporary filename. */
-extern char *tmpnam __P ((char *__s));
+extern char *tmpnam (char *__s) __THROW __wur;
+__END_NAMESPACE_STD
#ifdef __USE_MISC
/* This is the reentrant variant of `tmpnam'. The only difference is
that it does not allow S to be NULL. */
-extern char *tmpnam_r __P ((char *__s));
+extern char *tmpnam_r (char *__s) __THROW __wur;
#endif
-#if defined __USE_SVID || defined __USE_XOPEN
+#if defined __USE_MISC || defined __USE_XOPEN
/* Generate a unique temporary filename using up to five characters of PFX
if it is not NULL. The directory to put this file in is searched for
as follows: First the environment variable "TMPDIR" is checked.
If not and if DIR is not NULL, that value is checked. If that fails,
P_tmpdir is tried and finally "/tmp". The storage for the filename
is allocated by `malloc'. */
-extern char *tempnam __P ((__const char *__dir, __const char *__pfx));
+extern char *tempnam (const char *__dir, const char *__pfx)
+ __THROW __attribute_malloc__ __wur;
#endif
-/* Close STREAM. */
-extern int fclose __P ((FILE *__stream));
-/* Flush STREAM, or all streams if STREAM is NULL. */
-extern int fflush __P ((FILE *__stream));
+__BEGIN_NAMESPACE_STD
+/* Close STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fclose (FILE *__stream);
+/* Flush STREAM, or all streams if STREAM is NULL.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fflush (FILE *__stream);
+__END_NAMESPACE_STD
#ifdef __USE_MISC
-/* Faster versions when locking is not required. */
-extern int fclose_unlocked __P ((FILE *__stream));
-extern int fflush_unlocked __P ((FILE *__stream));
+/* Faster versions when locking is not required.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int fflush_unlocked (FILE *__stream);
#endif
#ifdef __USE_GNU
-/* Close all streams. */
-extern int __fcloseall __P ((void));
-extern int fcloseall __P ((void));
+/* Close all streams.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int fcloseall (void);
#endif
-/* Open a file and create a new stream for it. */
-extern FILE *fopen __P ((__const char *__filename, __const char *__modes));
-/* Open a file, replacing an existing stream with it. */
-extern FILE *freopen __P ((__const char *__restrict __filename,
- __const char *__restrict __modes,
- FILE *__restrict __stream));
+__BEGIN_NAMESPACE_STD
+#ifndef __USE_FILE_OFFSET64
+/* Open a file and create a new stream for it.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern FILE *fopen (const char *__restrict __filename,
+ const char *__restrict __modes) __wur;
+/* Open a file, replacing an existing stream with it.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern FILE *freopen (const char *__restrict __filename,
+ const char *__restrict __modes,
+ FILE *__restrict __stream) __wur;
+#else
+# ifdef __REDIRECT
+extern FILE *__REDIRECT (fopen, (const char *__restrict __filename,
+ const char *__restrict __modes), fopen64)
+ __wur;
+extern FILE *__REDIRECT (freopen, (const char *__restrict __filename,
+ const char *__restrict __modes,
+ FILE *__restrict __stream), freopen64)
+ __wur;
+# else
+# define fopen fopen64
+# define freopen freopen64
+# endif
+#endif
+__END_NAMESPACE_STD
+#ifdef __USE_LARGEFILE64
+extern FILE *fopen64 (const char *__restrict __filename,
+ const char *__restrict __modes) __wur;
+extern FILE *freopen64 (const char *__restrict __filename,
+ const char *__restrict __modes,
+ FILE *__restrict __stream) __wur;
+#endif
#ifdef __USE_POSIX
/* Create a new stream that refers to an existing system file descriptor. */
-extern FILE *fdopen __P ((int __fd, __const char *__modes));
+extern FILE *fdopen (int __fd, const char *__modes) __THROW __wur;
#endif
#ifdef __USE_GNU
/* Create a new stream that refers to the given magic cookie,
and uses the given functions for input and output. */
-extern FILE *fopencookie __P ((void *__magic_cookie, __const char *__modes,
- _IO_cookie_io_functions_t __io_funcs));
+extern FILE *fopencookie (void *__restrict __magic_cookie,
+ const char *__restrict __modes,
+ _IO_cookie_io_functions_t __io_funcs) __THROW __wur;
+#endif
+
+#ifdef __USE_XOPEN2K8
+/* Create a new stream that refers to a memory buffer. */
+extern FILE *fmemopen (void *__s, size_t __len, const char *__modes)
+ __THROW __wur;
/* Open a stream that writes into a malloc'd buffer that is expanded as
necessary. *BUFLOC and *SIZELOC are updated with the buffer's location
and the number of characters written on fflush or fclose. */
-extern FILE *open_memstream __P ((char **__bufloc, size_t *__sizeloc));
+extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) __THROW __wur;
#endif
+__BEGIN_NAMESPACE_STD
/* If BUF is NULL, make STREAM unbuffered.
Else make it use buffer BUF, of size BUFSIZ. */
-extern void setbuf __P ((FILE *__restrict __stream, char *__restrict __buf));
+extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) __THROW;
/* Make STREAM use buffering mode MODE.
If BUF is not NULL, use N bytes of it for buffering;
else allocate an internal buffer N bytes long. */
-extern int setvbuf __P ((FILE *__restrict __stream, char *__restrict __buf,
- int __modes, size_t __n));
+extern int setvbuf (FILE *__restrict __stream, char *__restrict __buf,
+ int __modes, size_t __n) __THROW;
+__END_NAMESPACE_STD
-#ifdef __USE_BSD
+#ifdef __USE_MISC
/* If BUF is NULL, make STREAM unbuffered.
Else make it use SIZE bytes of BUF for buffering. */
-extern void setbuffer __P ((FILE *__stream, char *__buf, size_t __size));
+extern void setbuffer (FILE *__restrict __stream, char *__restrict __buf,
+ size_t __size) __THROW;
/* Make STREAM line-buffered. */
-extern void setlinebuf __P ((FILE *__stream));
+extern void setlinebuf (FILE *__stream) __THROW;
#endif
-/* Write formatted output to STREAM. */
-extern int fprintf __P ((FILE *__restrict __stream,
- __const char *__restrict __format, ...));
-/* Write formatted output to stdout. */
-extern int printf __P ((__const char *__restrict __format, ...));
+__BEGIN_NAMESPACE_STD
+/* Write formatted output to STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fprintf (FILE *__restrict __stream,
+ const char *__restrict __format, ...);
+/* Write formatted output to stdout.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int printf (const char *__restrict __format, ...);
/* Write formatted output to S. */
-extern int sprintf __P ((char *__restrict __s,
- __const char *__restrict __format, ...));
+extern int sprintf (char *__restrict __s,
+ const char *__restrict __format, ...) __THROWNL;
+/* Write formatted output to S from argument list ARG.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int vfprintf (FILE *__restrict __s, const char *__restrict __format,
+ _G_va_list __arg);
+/* Write formatted output to stdout from argument list ARG.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int vprintf (const char *__restrict __format, _G_va_list __arg);
/* Write formatted output to S from argument list ARG. */
-extern int vfprintf __P ((FILE *__restrict __s,
- __const char *__restrict __format,
- _G_va_list __arg));
-/* Write formatted output to stdout from argument list ARG. */
-extern int vprintf __P ((__const char *__restrict __format,
- _G_va_list __arg));
-/* Write formatted output to S from argument list ARG. */
-extern int vsprintf __P ((char *__restrict __s,
- __const char *__restrict __format,
- _G_va_list __arg));
-
-#ifdef __OPTIMIZE__
-__STDIO_INLINE int
-vprintf (const char *__restrict __fmt, _G_va_list __arg)
-{
- return vfprintf (stdout, __fmt, __arg);
-}
-#endif /* Optimizing. */
-
-#if defined __USE_BSD || defined __USE_ISOC9X
+extern int vsprintf (char *__restrict __s, const char *__restrict __format,
+ _G_va_list __arg) __THROWNL;
+__END_NAMESPACE_STD
+
+#if defined __USE_ISOC99 || defined __USE_UNIX98
+__BEGIN_NAMESPACE_C99
/* Maximum chars of output to write in MAXLEN. */
-extern int __snprintf __P ((char *__restrict __s, size_t __maxlen,
- __const char *__restrict __format, ...))
- __attribute__ ((__format__ (__printf__, 3, 4)));
-extern int snprintf __P ((char *__restrict __s, size_t __maxlen,
- __const char *__restrict __format, ...))
- __attribute__ ((__format__ (__printf__, 3, 4)));
-
-extern int __vsnprintf __P ((char *__restrict __s, size_t __maxlen,
- __const char *__restrict __format,
- _G_va_list __arg))
- __attribute__ ((__format__ (__printf__, 3, 0)));
-extern int vsnprintf __P ((char *__restrict __s, size_t __maxlen,
- __const char *__restrict __format,
- _G_va_list __arg))
- __attribute__ ((__format__ (__printf__, 3, 0)));
+extern int snprintf (char *__restrict __s, size_t __maxlen,
+ const char *__restrict __format, ...)
+ __THROWNL __attribute__ ((__format__ (__printf__, 3, 4)));
+
+extern int vsnprintf (char *__restrict __s, size_t __maxlen,
+ const char *__restrict __format, _G_va_list __arg)
+ __THROWNL __attribute__ ((__format__ (__printf__, 3, 0)));
+__END_NAMESPACE_C99
#endif
#ifdef __USE_GNU
/* Write formatted output to a string dynamically allocated with `malloc'.
Store the address of the string in *PTR. */
-extern int vasprintf __P ((char **__restrict __ptr,
- __const char *__restrict __f, _G_va_list __arg))
- __attribute__ ((__format__ (__printf__, 2, 0)));
-extern int asprintf __P ((char **__restrict __ptr,
- __const char *__restrict __fmt, ...))
- __attribute__ ((__format__ (__printf__, 2, 3)));
+extern int vasprintf (char **__restrict __ptr, const char *__restrict __f,
+ _G_va_list __arg)
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 0))) __wur;
+extern int __asprintf (char **__restrict __ptr,
+ const char *__restrict __fmt, ...)
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 3))) __wur;
+extern int asprintf (char **__restrict __ptr,
+ const char *__restrict __fmt, ...)
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 3))) __wur;
+#endif
+#ifdef __USE_XOPEN2K8
/* Write formatted output to a file descriptor. */
-extern int vdprintf __P ((int __fd, __const char *__restrict __fmt,
- _G_va_list __arg))
+extern int vdprintf (int __fd, const char *__restrict __fmt,
+ _G_va_list __arg)
__attribute__ ((__format__ (__printf__, 2, 0)));
-extern int dprintf __P ((int __fd, __const char *__restrict __fmt, ...))
+extern int dprintf (int __fd, const char *__restrict __fmt, ...)
__attribute__ ((__format__ (__printf__, 2, 3)));
#endif
-/* Read formatted input from STREAM. */
-extern int fscanf __P ((FILE *__restrict __stream,
- __const char *__restrict __format, ...));
-/* Read formatted input from stdin. */
-extern int scanf __P ((__const char *__restrict __format, ...));
+__BEGIN_NAMESPACE_STD
+/* Read formatted input from STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fscanf (FILE *__restrict __stream,
+ const char *__restrict __format, ...) __wur;
+/* Read formatted input from stdin.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int scanf (const char *__restrict __format, ...) __wur;
/* Read formatted input from S. */
-extern int sscanf __P ((__const char *__restrict __s,
- __const char *__restrict __format, ...));
+extern int sscanf (const char *__restrict __s,
+ const char *__restrict __format, ...) __THROW;
+
+#if defined __USE_ISOC99 && !defined __USE_GNU \
+ && (!defined __LDBL_COMPAT || !defined __REDIRECT) \
+ && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K)
+# ifdef __REDIRECT
+/* For strict ISO C99 or POSIX compliance disallow %as, %aS and %a[
+ GNU extension which conflicts with valid %a followed by letter
+ s, S or [. */
+extern int __REDIRECT (fscanf, (FILE *__restrict __stream,
+ const char *__restrict __format, ...),
+ __isoc99_fscanf) __wur;
+extern int __REDIRECT (scanf, (const char *__restrict __format, ...),
+ __isoc99_scanf) __wur;
+extern int __REDIRECT_NTH (sscanf, (const char *__restrict __s,
+ const char *__restrict __format, ...),
+ __isoc99_sscanf);
+# else
+extern int __isoc99_fscanf (FILE *__restrict __stream,
+ const char *__restrict __format, ...) __wur;
+extern int __isoc99_scanf (const char *__restrict __format, ...) __wur;
+extern int __isoc99_sscanf (const char *__restrict __s,
+ const char *__restrict __format, ...) __THROW;
+# define fscanf __isoc99_fscanf
+# define scanf __isoc99_scanf
+# define sscanf __isoc99_sscanf
+# endif
+#endif
-#ifdef __USE_GNU
-/* Read formatted input from S into argument list ARG. */
-extern int __vfscanf __P ((FILE *__restrict __s,
- __const char *__restrict __format,
- _G_va_list __arg))
- __attribute__ ((__format__ (__scanf__, 2, 0)));
-extern int vfscanf __P ((FILE *__restrict __s,
- __const char *__restrict __format,
- _G_va_list __arg))
- __attribute__ ((__format__ (__scanf__, 2, 0)));
+__END_NAMESPACE_STD
-/* Read formatted input from stdin into argument list ARG. */
-extern int __vscanf __P ((__const char *__restrict __format,
- _G_va_list __arg))
- __attribute__ ((__format__ (__scanf__, 1, 0)));
-extern int vscanf __P ((__const char *__restrict __format, _G_va_list __arg))
- __attribute__ ((__format__ (__scanf__, 1, 0)));
+#ifdef __USE_ISOC99
+__BEGIN_NAMESPACE_C99
+/* Read formatted input from S into argument list ARG.
-/* Read formatted input from S into argument list ARG. */
-extern int __vsscanf __P ((__const char *__restrict __s,
- __const char *__restrict __format,
- _G_va_list __arg))
- __attribute__ ((__format__ (__scanf__, 2, 0)));
-extern int vsscanf __P ((__const char *__restrict __s,
- __const char *__restrict __format,
- _G_va_list __arg))
- __attribute__ ((__format__ (__scanf__, 2, 0)));
-#endif /* Use GNU. */
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int vfscanf (FILE *__restrict __s, const char *__restrict __format,
+ _G_va_list __arg)
+ __attribute__ ((__format__ (__scanf__, 2, 0))) __wur;
+/* Read formatted input from stdin into argument list ARG.
-/* Read a character from STREAM. */
-extern int fgetc __P ((FILE *__stream));
-extern int getc __P ((FILE *__stream));
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int vscanf (const char *__restrict __format, _G_va_list __arg)
+ __attribute__ ((__format__ (__scanf__, 1, 0))) __wur;
-/* Read a character from stdin. */
-extern int getchar __P ((void));
+/* Read formatted input from S into argument list ARG. */
+extern int vsscanf (const char *__restrict __s,
+ const char *__restrict __format, _G_va_list __arg)
+ __THROW __attribute__ ((__format__ (__scanf__, 2, 0)));
+
+# if !defined __USE_GNU \
+ && (!defined __LDBL_COMPAT || !defined __REDIRECT) \
+ && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K)
+# ifdef __REDIRECT
+/* For strict ISO C99 or POSIX compliance disallow %as, %aS and %a[
+ GNU extension which conflicts with valid %a followed by letter
+ s, S or [. */
+extern int __REDIRECT (vfscanf,
+ (FILE *__restrict __s,
+ const char *__restrict __format, _G_va_list __arg),
+ __isoc99_vfscanf)
+ __attribute__ ((__format__ (__scanf__, 2, 0))) __wur;
+extern int __REDIRECT (vscanf, (const char *__restrict __format,
+ _G_va_list __arg), __isoc99_vscanf)
+ __attribute__ ((__format__ (__scanf__, 1, 0))) __wur;
+extern int __REDIRECT_NTH (vsscanf,
+ (const char *__restrict __s,
+ const char *__restrict __format,
+ _G_va_list __arg), __isoc99_vsscanf)
+ __attribute__ ((__format__ (__scanf__, 2, 0)));
+# else
+extern int __isoc99_vfscanf (FILE *__restrict __s,
+ const char *__restrict __format,
+ _G_va_list __arg) __wur;
+extern int __isoc99_vscanf (const char *__restrict __format,
+ _G_va_list __arg) __wur;
+extern int __isoc99_vsscanf (const char *__restrict __s,
+ const char *__restrict __format,
+ _G_va_list __arg) __THROW;
+# define vfscanf __isoc99_vfscanf
+# define vscanf __isoc99_vscanf
+# define vsscanf __isoc99_vsscanf
+# endif
+# endif
+
+__END_NAMESPACE_C99
+#endif /* Use ISO C9x. */
+
+
+__BEGIN_NAMESPACE_STD
+/* Read a character from STREAM.
+
+ These functions are possible cancellation points and therefore not
+ marked with __THROW. */
+extern int fgetc (FILE *__stream);
+extern int getc (FILE *__stream);
+
+/* Read a character from stdin.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int getchar (void);
+__END_NAMESPACE_STD
/* The C standard explicitly says this is a macro, so we always do the
optimization for it. */
#define getc(_fp) _IO_getc (_fp)
-#ifdef __OPTIMIZE__
-__STDIO_INLINE int
-getchar (void)
-{
- return _IO_getc (stdin);
-}
-#endif /* Optimizing. */
+#ifdef __USE_POSIX
+/* These are defined in POSIX.1:1996.
-#if defined __USE_POSIX || defined __USE_MISC
-/* These are defined in POSIX.1:1996. */
-extern int getc_unlocked __P ((FILE *__stream));
-extern int getchar_unlocked __P ((void));
+ These functions are possible cancellation points and therefore not
+ marked with __THROW. */
+extern int getc_unlocked (FILE *__stream);
+extern int getchar_unlocked (void);
+#endif /* Use POSIX. */
-#ifdef __OPTIMIZE__
-__STDIO_INLINE int
-getc_unlocked (FILE *__fp)
-{
- return _IO_getc_unlocked (__fp);
-}
+#ifdef __USE_MISC
+/* Faster version when locking is not necessary.
-__STDIO_INLINE int
-getchar_unlocked (void)
-{
- return _IO_getc_unlocked (stdin);
-}
-#endif /* Optimizing. */
-#endif /* Use POSIX or MISC. */
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int fgetc_unlocked (FILE *__stream);
+#endif /* Use MISC. */
+
+
+__BEGIN_NAMESPACE_STD
+/* Write a character to STREAM.
+
+ These functions are possible cancellation points and therefore not
+ marked with __THROW.
+ These functions is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fputc (int __c, FILE *__stream);
+extern int putc (int __c, FILE *__stream);
-/* Write a character to STREAM. */
-extern int fputc __P ((int __c, FILE *__stream));
-extern int putc __P ((int __c, FILE *__stream));
+/* Write a character to stdout.
-/* Write a character to stdout. */
-extern int putchar __P ((int __c));
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int putchar (int __c);
+__END_NAMESPACE_STD
/* The C standard explicitly says this can be a macro,
so we always do the optimization for it. */
#define putc(_ch, _fp) _IO_putc (_ch, _fp)
-#ifdef __OPTIMIZE__
-__STDIO_INLINE int
-putchar (int __c)
-{
- return _IO_putc (__c, stdout);
-}
-#endif
-
#ifdef __USE_MISC
-/* Faster version when locking is not necessary. */
-extern int fputc_unlocked __P ((int __c, FILE *__stream));
-
-#ifdef __OPTIMIZE__
-__STDIO_INLINE int
-fputc_unlocked (int __c, FILE *__stream)
-{
- return _IO_putc_unlocked (__c, __stream);
-}
-#endif /* Optimizing. */
+/* Faster version when locking is not necessary.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int fputc_unlocked (int __c, FILE *__stream);
#endif /* Use MISC. */
-#if defined __USE_POSIX || defined __USE_MISC
-/* These are defined in POSIX.1:1996. */
-extern int putc_unlocked __P ((int __c, FILE *__stream));
-extern int putchar_unlocked __P ((int __c));
-
-#ifdef __OPTIMIZE__
-__STDIO_INLINE int
-putc_unlocked (int __c, FILE *__stream)
-{
- return _IO_putc_unlocked (__c, __stream);
-}
-
-__STDIO_INLINE int
-putchar_unlocked (int __c)
-{
- return _IO_putc_unlocked (__c, stdout);
-}
-#endif /* Optimizing. */
-#endif /* Use POSIX or MISc. */
-
-
-#if defined __USE_SVID || defined __USE_MISC
+#ifdef __USE_POSIX
+/* These are defined in POSIX.1:1996.
+
+ These functions are possible cancellation points and therefore not
+ marked with __THROW. */
+extern int putc_unlocked (int __c, FILE *__stream);
+extern int putchar_unlocked (int __c);
+#endif /* Use POSIX. */
+
+
+#if defined __USE_MISC \
+ || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
/* Get a word (int) from STREAM. */
-extern int getw __P ((FILE *__stream));
+extern int getw (FILE *__stream);
/* Write a word (int) to STREAM. */
-extern int putw __P ((int __w, FILE *__stream));
+extern int putw (int __w, FILE *__stream);
#endif
-/* Get a newline-terminated string of finite length from STREAM. */
-extern char *fgets __P ((char *__restrict __s, int __n,
- FILE *__restrict __stream));
+__BEGIN_NAMESPACE_STD
+/* Get a newline-terminated string of finite length from STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
+ __wur;
+#if !defined __USE_ISOC11 \
+ || (defined __cplusplus && __cplusplus <= 201103L)
/* Get a newline-terminated string from stdin, removing the newline.
- DO NOT USE THIS FUNCTION!! There is no limit on how much it will read. */
-extern char *gets __P ((char *__s));
+ DO NOT USE THIS FUNCTION!! There is no limit on how much it will read.
+ The function has been officially removed in ISO C11. This opportunity
+ is used to also remove it from the GNU feature list. It is now only
+ available when explicitly using an old ISO C, Unix, or POSIX standard.
+ GCC defines _GNU_SOURCE when building C++ code and the function is still
+ in C++11, so it is also available for C++.
-#ifdef __USE_GNU
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern char *gets (char *__s) __wur __attribute_deprecated__;
+#endif
+__END_NAMESPACE_STD
+
+#ifdef __USE_GNU
+/* This function does the same as `fgets' but does not lock the stream.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern char *fgets_unlocked (char *__restrict __s, int __n,
+ FILE *__restrict __stream) __wur;
+#endif
+
+
+#ifdef __USE_XOPEN2K8
/* Read up to (and including) a DELIMITER from STREAM into *LINEPTR
(and null-terminate it). *LINEPTR is a pointer returned from malloc (or
NULL), pointing to *N characters of space. It is realloc'd as
necessary. Returns the number of characters read (not including the
- null terminator), or -1 on error or EOF. */
-_IO_ssize_t __getdelim __P ((char **__lineptr, size_t *__n,
- int __delimiter, FILE *__stream));
-_IO_ssize_t getdelim __P ((char **__lineptr, size_t *__n,
- int __delimiter, FILE *__stream));
+ null terminator), or -1 on error or EOF.
+
+ These functions are not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation they are cancellation points and
+ therefore not marked with __THROW. */
+extern _IO_ssize_t __getdelim (char **__restrict __lineptr,
+ size_t *__restrict __n, int __delimiter,
+ FILE *__restrict __stream) __wur;
+extern _IO_ssize_t getdelim (char **__restrict __lineptr,
+ size_t *__restrict __n, int __delimiter,
+ FILE *__restrict __stream) __wur;
+
+/* Like `getdelim', but reads up to a newline.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern _IO_ssize_t getline (char **__restrict __lineptr,
+ size_t *__restrict __n,
+ FILE *__restrict __stream) __wur;
+#endif
-/* Like `getdelim', but reads up to a newline. */
-_IO_ssize_t __getline __P ((char **__lineptr, size_t *__n, FILE *__stream));
-_IO_ssize_t getline __P ((char **__lineptr, size_t *__n, FILE *__stream));
-#ifdef __OPTIMIZE__
-__STDIO_INLINE _IO_ssize_t
-getline (char **__lineptr, size_t *__n, FILE *__stream)
-{
- return __getdelim (__lineptr, __n, '\n', __stream);
-}
-#endif /* Optimizing. */
-#endif
+__BEGIN_NAMESPACE_STD
+/* Write a string to STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fputs (const char *__restrict __s, FILE *__restrict __stream);
+
+/* Write a string, followed by a newline, to stdout.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int puts (const char *__s);
-/* Write a string to STREAM. */
-extern int fputs __P ((__const char *__restrict __s,
- FILE *__restrict __stream));
-/* Write a string, followed by a newline, to stdout. */
-extern int puts __P ((__const char *__s));
+/* Push a character back onto the input buffer of STREAM.
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int ungetc (int __c, FILE *__stream);
-/* Push a character back onto the input buffer of STREAM. */
-extern int ungetc __P ((int __c, FILE *__stream));
+/* Read chunks of generic data from STREAM.
-/* Read chunks of generic data from STREAM. */
-extern size_t fread __P ((void *__restrict __ptr, size_t __size,
- size_t __n, FILE *__restrict __stream));
-/* Write chunks of generic data to STREAM. */
-extern size_t fwrite __P ((__const void *__restrict __ptr, size_t __size,
- size_t __n, FILE *__restrict __s));
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern size_t fread (void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __stream) __wur;
+/* Write chunks of generic data to STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern size_t fwrite (const void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __s);
+__END_NAMESPACE_STD
+
+#ifdef __USE_GNU
+/* This function does the same as `fputs' but does not lock the stream.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int fputs_unlocked (const char *__restrict __s,
+ FILE *__restrict __stream);
+#endif
#ifdef __USE_MISC
-/* Faster versions when locking is not necessary. */
-extern size_t fread_unlocked __P ((void *__restrict __ptr, size_t __size,
- size_t __n, FILE *__restrict __stream));
-extern size_t fwrite_unlocked __P ((__const void *__restrict __ptr,
- size_t __size, size_t __n,
- FILE *__restrict __stream));
+/* Faster versions when locking is not necessary.
+
+ These functions are not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation they are cancellation points and
+ therefore not marked with __THROW. */
+extern size_t fread_unlocked (void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __stream) __wur;
+extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size,
+ size_t __n, FILE *__restrict __stream);
#endif
-/* Seek to a certain position on STREAM. */
-extern int fseek __P ((FILE *__stream, long int __off, int __whence));
-/* Return the current position of STREAM. */
-extern long int ftell __P ((FILE *__stream));
-/* Rewind to the beginning of STREAM. */
-extern void rewind __P ((FILE *__stream));
+__BEGIN_NAMESPACE_STD
+/* Seek to a certain position on STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fseek (FILE *__stream, long int __off, int __whence);
+/* Return the current position of STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern long int ftell (FILE *__stream) __wur;
+/* Rewind to the beginning of STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void rewind (FILE *__stream);
+__END_NAMESPACE_STD
-#ifdef __USE_UNIX98
/* The Single Unix Specification, Version 2, specifies an alternative,
more adequate interface for the two functions above which deal with
- file offset. `long int' is not the right type. */
-
-/* Seek to a certain position on STREAM. */
-extern int fseeko __P ((FILE *__stream, __off_t __off, int __whence));
-/* Return the current position of STREAM. */
-extern __off_t ftello __P ((FILE *__stream));
+ file offset. `long int' is not the right type. These definitions
+ are originally defined in the Large File Support API. */
+
+#if defined __USE_LARGEFILE || defined __USE_XOPEN2K
+# ifndef __USE_FILE_OFFSET64
+/* Seek to a certain position on STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fseeko (FILE *__stream, __off_t __off, int __whence);
+/* Return the current position of STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern __off_t ftello (FILE *__stream) __wur;
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (fseeko,
+ (FILE *__stream, __off64_t __off, int __whence),
+ fseeko64);
+extern __off64_t __REDIRECT (ftello, (FILE *__stream), ftello64);
+# else
+# define fseeko fseeko64
+# define ftello ftello64
+# endif
+# endif
#endif
-/* Get STREAM's position. */
-extern int fgetpos __P ((FILE *__restrict __stream,
- fpos_t *__restrict __pos));
-/* Set STREAM's position. */
-extern int fsetpos __P ((FILE *__stream, __const fpos_t *__pos));
+__BEGIN_NAMESPACE_STD
+#ifndef __USE_FILE_OFFSET64
+/* Get STREAM's position.
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos);
+/* Set STREAM's position.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int fsetpos (FILE *__stream, const fpos_t *__pos);
+#else
+# ifdef __REDIRECT
+extern int __REDIRECT (fgetpos, (FILE *__restrict __stream,
+ fpos_t *__restrict __pos), fgetpos64);
+extern int __REDIRECT (fsetpos,
+ (FILE *__stream, const fpos_t *__pos), fsetpos64);
+# else
+# define fgetpos fgetpos64
+# define fsetpos fsetpos64
+# endif
+#endif
+__END_NAMESPACE_STD
+#ifdef __USE_LARGEFILE64
+extern int fseeko64 (FILE *__stream, __off64_t __off, int __whence);
+extern __off64_t ftello64 (FILE *__stream) __wur;
+extern int fgetpos64 (FILE *__restrict __stream, fpos64_t *__restrict __pos);
+extern int fsetpos64 (FILE *__stream, const fpos64_t *__pos);
+#endif
+
+__BEGIN_NAMESPACE_STD
/* Clear the error and EOF indicators for STREAM. */
-extern void clearerr __P ((FILE *__stream));
+extern void clearerr (FILE *__stream) __THROW;
/* Return the EOF indicator for STREAM. */
-extern int feof __P ((FILE *__stream));
+extern int feof (FILE *__stream) __THROW __wur;
/* Return the error indicator for STREAM. */
-extern int ferror __P ((FILE *__stream));
+extern int ferror (FILE *__stream) __THROW __wur;
+__END_NAMESPACE_STD
#ifdef __USE_MISC
/* Faster versions when locking is not required. */
-extern void clearerr_unlocked __P ((FILE *__stream));
-extern int feof_unlocked __P ((FILE *__stream));
-extern int ferror_unlocked __P ((FILE *__stream));
-
-#ifdef __OPTIMIZE__
-__STDIO_INLINE int
-feof_unlocked (FILE *__stream)
-{
- return _IO_feof_unlocked (__stream);
-}
-
-__STDIO_INLINE int
-ferror_unlocked (FILE *__stream)
-{
- return _IO_ferror_unlocked (__stream);
-}
-#endif /* Optimizing. */
+extern void clearerr_unlocked (FILE *__stream) __THROW;
+extern int feof_unlocked (FILE *__stream) __THROW __wur;
+extern int ferror_unlocked (FILE *__stream) __THROW __wur;
#endif
-/* Print a message describing the meaning of the value of errno. */
-extern void perror __P ((__const char *__s));
+__BEGIN_NAMESPACE_STD
+/* Print a message describing the meaning of the value of errno.
-/* These variables normally should not be used directly. The `strftime'
- function provides all the needed functionality. */
-#ifdef __USE_BSD
-extern int sys_nerr;
-extern __const char *__const sys_errlist[];
-#endif
-#ifdef __USE_GNU
-extern int _sys_nerr;
-extern __const char *__const _sys_errlist[];
-#endif
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern void perror (const char *__s);
+__END_NAMESPACE_STD
+
+/* Provide the declarations for `sys_errlist' and `sys_nerr' if they
+ are available on this system. Even if available, these variables
+ should not be used directly. The `strerror' function provides
+ all the necessary functionality. */
+#include <bits/sys_errlist.h>
#ifdef __USE_POSIX
/* Return the system file descriptor for STREAM. */
-extern int fileno __P ((FILE *__stream));
+extern int fileno (FILE *__stream) __THROW __wur;
#endif /* Use POSIX. */
#ifdef __USE_MISC
/* Faster version when locking is not required. */
-extern int fileno_unlocked __P ((FILE *__stream));
+extern int fileno_unlocked (FILE *__stream) __THROW __wur;
#endif
-#if (defined __USE_POSIX2 || defined __USE_SVID || defined __USE_BSD || \
- defined __USE_MISC)
-/* Create a new stream connected to a pipe running the given command. */
-extern FILE *popen __P ((__const char *__command, __const char *__modes));
+#ifdef __USE_POSIX2
+/* Create a new stream connected to a pipe running the given command.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern FILE *popen (const char *__command, const char *__modes) __wur;
-/* Close a stream opened by popen and return the status of its child. */
-extern int pclose __P ((FILE *__stream));
+/* Close a stream opened by popen and return the status of its child.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern int pclose (FILE *__stream);
#endif
#ifdef __USE_POSIX
/* Return the name of the controlling terminal. */
-extern char *ctermid __P ((char *__s));
+extern char *ctermid (char *__s) __THROW;
#endif /* Use POSIX. */
#ifdef __USE_XOPEN
/* Return the name of the current user. */
-extern char *cuserid __P ((char *__s));
-#endif /* Use X/Open. */
+extern char *cuserid (char *__s);
+#endif /* Use X/Open, but not issue 6. */
#ifdef __USE_GNU
struct obstack; /* See <obstack.h>. */
/* Write formatted output to an obstack. */
-extern int obstack_printf __P ((struct obstack *__obstack,
- __const char *__format, ...));
-extern int obstack_vprintf __P ((struct obstack *__obstack,
- __const char *__format,
- _G_va_list __args));
+extern int obstack_printf (struct obstack *__restrict __obstack,
+ const char *__restrict __format, ...)
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 3)));
+extern int obstack_vprintf (struct obstack *__restrict __obstack,
+ const char *__restrict __format,
+ _G_va_list __args)
+ __THROWNL __attribute__ ((__format__ (__printf__, 2, 0)));
#endif /* Use GNU. */
-#if defined __USE_POSIX || defined __USE_MISC
+#ifdef __USE_POSIX
/* These are defined in POSIX.1:1996. */
/* Acquire ownership of STREAM. */
-extern void flockfile __P ((FILE *__stream));
+extern void flockfile (FILE *__stream) __THROW;
/* Try to acquire ownership of STREAM but do not block if it is not
possible. */
-extern int ftrylockfile __P ((FILE *__stream));
+extern int ftrylockfile (FILE *__stream) __THROW __wur;
/* Relinquish the ownership granted for STREAM. */
-extern void funlockfile __P ((FILE *__stream));
-#endif /* POSIX || misc */
+extern void funlockfile (FILE *__stream) __THROW;
+#endif /* POSIX */
+
+#if defined __USE_XOPEN && !defined __USE_XOPEN2K && !defined __USE_GNU
+/* The X/Open standard requires some functions and variables to be
+ declared here which do not belong into this header. But we have to
+ follow. In GNU mode we don't do this nonsense. */
+# define __need_getopt
+# include <getopt.h>
+#endif /* X/Open, but not issue 6 and not for GNU. */
+
+/* If we are compiling with optimizing read this file. It contains
+ several optimizing inline functions and macros. */
+#ifdef __USE_EXTERN_INLINES
+# include <bits/stdio.h>
+#endif
+#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
+# include <bits/stdio2.h>
+#endif
+#ifdef __LDBL_COMPAT
+# include <bits/stdio-ldbl.h>
+#endif
__END_DECLS
-/* Define helper macro. */
-#undef __STDIO_INLINE
-
#endif /* <stdio.h> included. */
#endif /* !_STDIO_H */