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-rw-r--r--libio/stdio.h245
1 files changed, 90 insertions, 155 deletions
diff --git a/libio/stdio.h b/libio/stdio.h
index d8d7fa0611..739e08610d 100644
--- a/libio/stdio.h
+++ b/libio/stdio.h
@@ -1,5 +1,5 @@
/* Define ISO C stdio on top of C++ iostreams.
- Copyright (C) 1991-2016 Free Software Foundation, Inc.
+ Copyright (C) 1991-2018 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
@@ -21,62 +21,35 @@
*/
#ifndef _STDIO_H
+#define _STDIO_H 1
-#if !defined __need_FILE && !defined __need___FILE
-# define _STDIO_H 1
-# include <features.h>
+#define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION
+#include <bits/libc-header-start.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>
-# define __need_FILE
-# define __need___FILE
-#endif /* Don't need FILE. */
+#define __need___va_list
+#include <stdarg.h>
+#include <bits/types.h>
+#include <bits/types/__fpos_t.h>
+#include <bits/types/__fpos64_t.h>
+#include <bits/types/__FILE.h>
+#include <bits/types/FILE.h>
+#include <bits/types/struct_FILE.h>
-#if !defined __FILE_defined && defined __need_FILE
-
-/* Define outside of namespace so the C++ is happy. */
-struct _IO_FILE;
-
-__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)
+#ifdef __USE_GNU
+# include <bits/types/cookie_io_functions_t.h>
#endif
-# 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
-#define _STDIO_USES_IOSTREAM
-
-#include <libio.h>
-
#if defined __USE_XOPEN || defined __USE_XOPEN2K8
# ifdef __GNUC__
# ifndef _VA_LIST_DEFINED
-typedef _G_va_list va_list;
+typedef __gnuc_va_list va_list;
# define _VA_LIST_DEFINED
# endif
# else
@@ -84,7 +57,7 @@ typedef _G_va_list va_list;
# endif
#endif
-#ifdef __USE_XOPEN2K8
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K
# ifndef __off_t_defined
# ifndef __USE_FILE_OFFSET64
typedef __off_t off_t;
@@ -97,7 +70,9 @@ typedef __off64_t off_t;
typedef __off64_t off64_t;
# define __off64_t_defined
# endif
+#endif
+#ifdef __USE_XOPEN2K8
# ifndef __ssize_t_defined
typedef __ssize_t ssize_t;
# define __ssize_t_defined
@@ -105,15 +80,13 @@ typedef __ssize_t ssize_t;
#endif
/* The type of the second argument to `fgetpos' and `fsetpos'. */
-__BEGIN_NAMESPACE_STD
#ifndef __USE_FILE_OFFSET64
-typedef _G_fpos_t fpos_t;
+typedef __fpos_t fpos_t;
#else
-typedef _G_fpos64_t fpos_t;
+typedef __fpos64_t fpos_t;
#endif
-__END_NAMESPACE_STD
#ifdef __USE_LARGEFILE64
-typedef _G_fpos64_t fpos64_t;
+typedef __fpos64_t fpos64_t;
#endif
/* The possibilities for the third argument to `setvbuf'. */
@@ -123,16 +96,12 @@ typedef _G_fpos64_t fpos64_t;
/* Default buffer size. */
-#ifndef BUFSIZ
-# define BUFSIZ _IO_BUFSIZ
-#endif
+#define BUFSIZ 8192
-/* End of file character.
- Some things throughout the library rely on this being -1. */
-#ifndef EOF
-# define EOF (-1)
-#endif
+/* The value returned by fgetc and similar functions to indicate the
+ end of the file. */
+#define EOF (-1)
/* The possibilities for the third argument to `fseek'.
@@ -165,20 +134,18 @@ typedef _G_fpos64_t fpos64_t;
/* Standard streams. */
-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. */
+extern FILE *stdin; /* Standard input stream. */
+extern FILE *stdout; /* Standard output stream. */
+extern 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 (const char *__filename) __THROW;
/* Rename file OLD to 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. */
@@ -186,7 +153,18 @@ extern int renameat (int __oldfd, const char *__old, int __newfd,
const char *__new) __THROW;
#endif
-__BEGIN_NAMESPACE_STD
+#ifdef __USE_GNU
+/* Flags for renameat2. */
+# define RENAME_NOREPLACE (1 << 0)
+# define RENAME_EXCHANGE (1 << 1)
+# define RENAME_WHITEOUT (1 << 2)
+
+/* Rename file OLD relative to OLDFD to NEW relative to NEWFD, with
+ additional flags. */
+extern int renameat2 (int __oldfd, const char *__old, int __newfd,
+ const char *__new, unsigned int __flags) __THROW;
+#endif
+
/* Create a temporary file and open it read/write.
This function is a possible cancellation point and therefore not
@@ -207,7 +185,6 @@ extern FILE *tmpfile64 (void) __wur;
/* Generate a temporary filename. */
extern char *tmpnam (char *__s) __THROW __wur;
-__END_NAMESPACE_STD
#ifdef __USE_MISC
/* This is the reentrant variant of `tmpnam'. The only difference is
@@ -229,7 +206,6 @@ extern char *tempnam (const char *__dir, const char *__pfx)
#endif
-__BEGIN_NAMESPACE_STD
/* Close STREAM.
This function is a possible cancellation point and therefore not
@@ -240,7 +216,6 @@ extern int fclose (FILE *__stream);
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.
@@ -263,7 +238,6 @@ extern int fcloseall (void);
#endif
-__BEGIN_NAMESPACE_STD
#ifndef __USE_FILE_OFFSET64
/* Open a file and create a new stream for it.
@@ -292,7 +266,6 @@ extern FILE *__REDIRECT (freopen, (const char *__restrict __filename,
# define freopen freopen64
# endif
#endif
-__END_NAMESPACE_STD
#ifdef __USE_LARGEFILE64
extern FILE *fopen64 (const char *__restrict __filename,
const char *__restrict __modes) __wur;
@@ -311,10 +284,10 @@ extern FILE *fdopen (int __fd, const char *__modes) __THROW __wur;
and uses the given functions for input and output. */
extern FILE *fopencookie (void *__restrict __magic_cookie,
const char *__restrict __modes,
- _IO_cookie_io_functions_t __io_funcs) __THROW __wur;
+ cookie_io_functions_t __io_funcs) __THROW __wur;
#endif
-#ifdef __USE_XOPEN2K8
+#if defined __USE_XOPEN2K8 || __GLIBC_USE (LIB_EXT2)
/* Create a new stream that refers to a memory buffer. */
extern FILE *fmemopen (void *__s, size_t __len, const char *__modes)
__THROW __wur;
@@ -326,7 +299,6 @@ 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 (FILE *__restrict __stream, char *__restrict __buf) __THROW;
@@ -335,7 +307,6 @@ extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) __THROW;
else allocate an internal buffer N bytes long. */
extern int setvbuf (FILE *__restrict __stream, char *__restrict __buf,
int __modes, size_t __n) __THROW;
-__END_NAMESPACE_STD
#ifdef __USE_MISC
/* If BUF is NULL, make STREAM unbuffered.
@@ -348,7 +319,6 @@ extern void setlinebuf (FILE *__stream) __THROW;
#endif
-__BEGIN_NAMESPACE_STD
/* Write formatted output to STREAM.
This function is a possible cancellation point and therefore not
@@ -369,35 +339,32 @@ extern int sprintf (char *__restrict __s,
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);
+ __gnuc_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);
+extern int vprintf (const char *__restrict __format, __gnuc_va_list __arg);
/* Write formatted output to S from argument list ARG. */
extern int vsprintf (char *__restrict __s, const char *__restrict __format,
- _G_va_list __arg) __THROWNL;
-__END_NAMESPACE_STD
+ __gnuc_va_list __arg) __THROWNL;
#if defined __USE_ISOC99 || defined __USE_UNIX98
-__BEGIN_NAMESPACE_C99
/* Maximum chars of output to write in MAXLEN. */
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)
+ const char *__restrict __format, __gnuc_va_list __arg)
__THROWNL __attribute__ ((__format__ (__printf__, 3, 0)));
-__END_NAMESPACE_C99
#endif
-#ifdef __USE_GNU
+#if __GLIBC_USE (LIB_EXT2)
/* Write formatted output to a string dynamically allocated with `malloc'.
Store the address of the string in *PTR. */
extern int vasprintf (char **__restrict __ptr, const char *__restrict __f,
- _G_va_list __arg)
+ __gnuc_va_list __arg)
__THROWNL __attribute__ ((__format__ (__printf__, 2, 0))) __wur;
extern int __asprintf (char **__restrict __ptr,
const char *__restrict __fmt, ...)
@@ -410,14 +377,13 @@ extern int asprintf (char **__restrict __ptr,
#ifdef __USE_XOPEN2K8
/* Write formatted output to a file descriptor. */
extern int vdprintf (int __fd, const char *__restrict __fmt,
- _G_va_list __arg)
+ __gnuc_va_list __arg)
__attribute__ ((__format__ (__printf__, 2, 0)));
extern int dprintf (int __fd, const char *__restrict __fmt, ...)
__attribute__ ((__format__ (__printf__, 2, 3)));
#endif
-__BEGIN_NAMESPACE_STD
/* Read formatted input from STREAM.
This function is a possible cancellation point and therefore not
@@ -460,28 +426,25 @@ extern int __isoc99_sscanf (const char *__restrict __s,
# endif
#endif
-__END_NAMESPACE_STD
-
#ifdef __USE_ISOC99
-__BEGIN_NAMESPACE_C99
/* Read formatted input from S into argument list ARG.
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)
+ __gnuc_va_list __arg)
__attribute__ ((__format__ (__scanf__, 2, 0))) __wur;
/* Read formatted input from stdin into argument list ARG.
This function is a possible cancellation point and therefore not
marked with __THROW. */
-extern int vscanf (const char *__restrict __format, _G_va_list __arg)
+extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg)
__attribute__ ((__format__ (__scanf__, 1, 0))) __wur;
/* Read formatted input from S into argument list ARG. */
extern int vsscanf (const char *__restrict __s,
- const char *__restrict __format, _G_va_list __arg)
+ const char *__restrict __format, __gnuc_va_list __arg)
__THROW __attribute__ ((__format__ (__scanf__, 2, 0)));
# if !defined __USE_GNU \
@@ -493,37 +456,34 @@ extern int vsscanf (const char *__restrict __s,
s, S or [. */
extern int __REDIRECT (vfscanf,
(FILE *__restrict __s,
- const char *__restrict __format, _G_va_list __arg),
+ const char *__restrict __format, __gnuc_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)
+ __gnuc_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)
+ __gnuc_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;
+ __gnuc_va_list __arg) __wur;
extern int __isoc99_vscanf (const char *__restrict __format,
- _G_va_list __arg) __wur;
+ __gnuc_va_list __arg) __wur;
extern int __isoc99_vsscanf (const char *__restrict __s,
const char *__restrict __format,
- _G_va_list __arg) __THROW;
+ __gnuc_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
@@ -536,13 +496,8 @@ extern int getc (FILE *__stream);
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 __USE_POSIX
+#ifdef __USE_POSIX199506
/* These are defined in POSIX.1:1996.
These functions are possible cancellation points and therefore not
@@ -562,7 +517,6 @@ 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
@@ -578,11 +532,6 @@ extern int putc (int __c, FILE *__stream);
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 __USE_MISC
/* Faster version when locking is not necessary.
@@ -594,7 +543,7 @@ __END_NAMESPACE_STD
extern int fputc_unlocked (int __c, FILE *__stream);
#endif /* Use MISC. */
-#ifdef __USE_POSIX
+#ifdef __USE_POSIX199506
/* These are defined in POSIX.1:1996.
These functions are possible cancellation points and therefore not
@@ -614,7 +563,6 @@ extern int putw (int __w, FILE *__stream);
#endif
-__BEGIN_NAMESPACE_STD
/* Get a newline-terminated string of finite length from STREAM.
This function is a possible cancellation point and therefore not
@@ -622,22 +570,18 @@ __BEGIN_NAMESPACE_STD
extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
__wur;
-#if !defined __USE_ISOC11 \
- || (defined __cplusplus && __cplusplus <= 201103L)
+#if __GLIBC_USE (DEPRECATED_GETS)
/* 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.
- 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++.
+ This function is impossible to use safely. It has been officially
+ removed from ISO C11 and ISO C++14, and we have also removed it
+ from the _GNU_SOURCE feature list. It remains available when
+ explicitly using an old ISO C, Unix, or POSIX standard.
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.
@@ -651,7 +595,7 @@ extern char *fgets_unlocked (char *__restrict __s, int __n,
#endif
-#ifdef __USE_XOPEN2K8
+#if defined __USE_XOPEN2K8 || __GLIBC_USE (LIB_EXT2)
/* 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
@@ -662,12 +606,12 @@ extern char *fgets_unlocked (char *__restrict __s, int __n,
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;
+extern __ssize_t __getdelim (char **__restrict __lineptr,
+ size_t *__restrict __n, int __delimiter,
+ FILE *__restrict __stream) __wur;
+extern __ssize_t getdelim (char **__restrict __lineptr,
+ size_t *__restrict __n, int __delimiter,
+ FILE *__restrict __stream) __wur;
/* Like `getdelim', but reads up to a newline.
@@ -675,13 +619,12 @@ extern _IO_ssize_t getdelim (char **__restrict __lineptr,
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;
+extern __ssize_t getline (char **__restrict __lineptr,
+ size_t *__restrict __n,
+ FILE *__restrict __stream) __wur;
#endif
-__BEGIN_NAMESPACE_STD
/* Write a string to STREAM.
This function is a possible cancellation point and therefore not
@@ -714,7 +657,6 @@ extern size_t fread (void *__restrict __ptr, size_t __size,
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.
@@ -741,7 +683,6 @@ extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size,
#endif
-__BEGIN_NAMESPACE_STD
/* Seek to a certain position on STREAM.
This function is a possible cancellation point and therefore not
@@ -757,7 +698,6 @@ extern long int ftell (FILE *__stream) __wur;
This function is a possible cancellation point and therefore not
marked with __THROW. */
extern void rewind (FILE *__stream);
-__END_NAMESPACE_STD
/* The Single Unix Specification, Version 2, specifies an alternative,
more adequate interface for the two functions above which deal with
@@ -789,7 +729,6 @@ extern __off64_t __REDIRECT (ftello, (FILE *__stream), ftello64);
# endif
#endif
-__BEGIN_NAMESPACE_STD
#ifndef __USE_FILE_OFFSET64
/* Get STREAM's position.
@@ -812,7 +751,6 @@ extern int __REDIRECT (fsetpos,
# define fsetpos fsetpos64
# endif
#endif
-__END_NAMESPACE_STD
#ifdef __USE_LARGEFILE64
extern int fseeko64 (FILE *__stream, __off64_t __off, int __whence);
@@ -821,14 +759,12 @@ 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 (FILE *__stream) __THROW;
/* Return the EOF indicator for STREAM. */
extern int feof (FILE *__stream) __THROW __wur;
/* Return the error indicator for STREAM. */
extern int ferror (FILE *__stream) __THROW __wur;
-__END_NAMESPACE_STD
#ifdef __USE_MISC
/* Faster versions when locking is not required. */
@@ -838,13 +774,11 @@ extern int ferror_unlocked (FILE *__stream) __THROW __wur;
#endif
-__BEGIN_NAMESPACE_STD
/* Print a message describing the meaning of the value of errno.
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
@@ -885,7 +819,7 @@ extern char *ctermid (char *__s) __THROW;
#endif /* Use POSIX. */
-#ifdef __USE_XOPEN
+#if (defined __USE_XOPEN && !defined __USE_XOPEN2K) || defined __USE_GNU
/* Return the name of the current user. */
extern char *cuserid (char *__s);
#endif /* Use X/Open, but not issue 6. */
@@ -900,12 +834,12 @@ extern int obstack_printf (struct obstack *__restrict __obstack,
__THROWNL __attribute__ ((__format__ (__printf__, 2, 3)));
extern int obstack_vprintf (struct obstack *__restrict __obstack,
const char *__restrict __format,
- _G_va_list __args)
+ __gnuc_va_list __args)
__THROWNL __attribute__ ((__format__ (__printf__, 2, 0)));
#endif /* Use GNU. */
-#ifdef __USE_POSIX
+#ifdef __USE_POSIX199506
/* These are defined in POSIX.1:1996. */
/* Acquire ownership of STREAM. */
@@ -920,12 +854,15 @@ 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. */
+/* X/Open Issues 1-5 required getopt to be declared in this
+ header. It was removed in Issue 6. GNU follows Issue 6. */
+# include <bits/getopt_posix.h>
+#endif
+
+/* Slow-path routines used by the optimized inline functions in
+ bits/stdio.h. */
+extern int __uflow (FILE *);
+extern int __overflow (FILE *, int);
/* If we are compiling with optimizing read this file. It contains
several optimizing inline functions and macros. */
@@ -942,5 +879,3 @@ extern void funlockfile (FILE *__stream) __THROW;
__END_DECLS
#endif /* <stdio.h> included. */
-
-#endif /* !_STDIO_H */