2002-04-30 Roland McGrath <roland@frob.com>

	Removed old GNU stdio implementation; GNU libio is now the only option.
	* configure.in: Removed --enable-libio option and @stdio@ subst var.
	Define USE_IN_LIBIO unconditionally.
	* configure: Regenerated.
	* Makeconfig (stdio): Set to libio by default.
	* config.make.in (stdio): Variable removed.
	* sysdeps/unix/sysv/linux/configure.in: Don't set $stdio.
	* sysdeps/unix/sysv/linux/configure: Regenerated.
	* sysdeps/mach/hurd/configure.in: Don't test $stdio.
	* sysdeps/mach/hurd/configure: Regenerated.
	* stdio/.cvsignore: File removed.
	* stdio/Makefile: File removed.
	* stdio/Versions: File removed.
	* stdio/__fbufsize.c: File removed.
	* stdio/__flbf.c: File removed.
	* stdio/__fpending.c: File removed.
	* stdio/__fpurge.c: File removed.
	* stdio/__freadable.c: File removed.
	* stdio/__freading.c: File removed.
	* stdio/__fsetlocking.c: File removed.
	* stdio/__fwritable.c: File removed.
	* stdio/__fwriting.c: File removed.
	* stdio/clearerr.c: File removed.
	* stdio/fclose.c: File removed.
	* stdio/fcloseall.c: File removed.
	* stdio/feof.c: File removed.
	* stdio/ferror.c: File removed.
	* stdio/fflush.c: File removed.
	* stdio/fgetc.c: File removed.
	* stdio/fgetpos.c: File removed.
	* stdio/fgets.c: File removed.
	* stdio/fileno.c: File removed.
	* stdio/fmemopen.c: File removed.
	* stdio/fopen.c: File removed.
	* stdio/fopncook.c: File removed.
	* stdio/fputc.c: File removed.
	* stdio/fputs.c: File removed.
	* stdio/fread.c: File removed.
	* stdio/freopen.c: File removed.
	* stdio/fseek.c: File removed.
	* stdio/fsetpos.c: File removed.
	* stdio/ftell.c: File removed.
	* stdio/fwrite.c: File removed.
	* stdio/getc.c: File removed.
	* stdio/getchar.c: File removed.
	* stdio/getdelim.c: File removed.
	* stdio/gets.c: File removed.
	* stdio/glue.c: File removed.
	* stdio/internals.c: File removed.
	* stdio/linewrap.c: File removed.
	* stdio/linewrap.h: File removed.
	* stdio/memstream.c: File removed.
	* stdio/newstream.c: File removed.
	* stdio/obstream.c: File removed.
	* stdio/putc.c: File removed.
	* stdio/putchar.c: File removed.
	* stdio/puts.c: File removed.
	* stdio/rewind.c: File removed.
	* stdio/setbuf.c: File removed.
	* stdio/setbuffer.c: File removed.
	* stdio/setlinebuf.c: File removed.
	* stdio/setvbuf.c: File removed.
	* stdio/stdio.h: File removed.
	* stdio/ungetc.c: File removed.
	* stdio/vasprintf.c: File removed.
	* stdio/vscanf.c: File removed.
	* stdio/vsnprintf.c: File removed.
	* stdio/vsprintf.c: File removed.
	* stdio/vsscanf.c: File removed.
	* sysdeps/generic/defs.c: File removed.
	* sysdeps/generic/fdopen.c: File removed.
	* sysdeps/generic/pipestream.c: File removed.
	* sysdeps/generic/stdio_init.c: File removed.
	* sysdeps/generic/sysd-stdio.c: File removed.
	* sysdeps/generic/vdprintf.c: File removed.
	* sysdeps/mach/hurd/defs.c: File removed.
	* sysdeps/mach/hurd/fdopen.c: File removed.
	* sysdeps/mach/hurd/pipestream.c: File removed.
	* sysdeps/mach/hurd/stdio_init.c: File removed.
	* sysdeps/mach/hurd/sysd-stdio.c: File removed.
	* sysdeps/mach/hurd/vdprintf.c: File removed.
	* sysdeps/posix/defs.c: File removed.
	* sysdeps/posix/fdopen.c: File removed.
	* sysdeps/posix/pipestream.c: File removed.
	* sysdeps/posix/stdio_init.c: File removed.
	* sysdeps/posix/vdprintf.c: File removed.
	* sysdeps/unix/pipestream.c: File removed.
	* sysdeps/unix/sysv/sysd-stdio.c: File removed.
	* sysdeps/unix/sysv/sco3.2.4/pipestream.c: File removed.
	* sysdeps/unix/sysv/sysv4/pipestream.c: File removed.

1 files changed, 0 insertions, 832 deletions

diff --git a/stdio/stdio.h b/stdio/stdio.h
deleted file mode 100644
index 3e0a79e093..0000000000
--- a/stdio/stdio.h
+++ /dev/null
@@ -1,832 +0,0 @@
-/* Copyright (C) 1991-1999, 2000 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, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-/*
- *	ISO C99 Standard: 7.19 Input/output	<stdio.h>
- */
-
-#ifndef	_STDIO_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___va_list
-#include <stdarg.h>
-#ifndef	__GNUC_VA_LIST
-#define	__gnuc_va_list	__ptr_t
-#endif
-
-#include <bits/types.h>
-#define __need_FILE
-#define __need___FILE
-#endif /* Don't need FILE.  */
-
-
-#if !defined __FILE_defined && defined __need_FILE
-
-/* The opaque type of streams.  */
-typedef struct __stdio_file FILE;
-
-#define	__FILE_defined	1
-#endif /* FILE not defined.  */
-#undef	__need_FILE
-
-
-#if !defined ____FILE_defined && defined __need___FILE
-
-/* The opaque type of streams.  */
-typedef struct __stdio_file __FILE;
-
-#define	____FILE_defined	1
-#endif /* __FILE not defined.  */
-#undef	__need___FILE
-
-
-#ifdef	_STDIO_H
-
-/* The type of the second argument to `fgetpos' and `fsetpos'.  */
-typedef __off_t fpos_t;
-
-/* The mode of I/O, as given in the MODE argument to fopen, etc.  */
-typedef struct
-{
-  unsigned int __read:1;	/* Open for reading.  */
-  unsigned int __write:1;	/* Open for writing.  */
-  unsigned int __append:1;	/* Open for appending.  */
-  unsigned int __binary:1;	/* Opened binary.  */
-  unsigned int __create:1;	/* Create the file.  */
-  unsigned int __exclusive:1;	/* Error if it already exists.  */
-  unsigned int __truncate:1;	/* Truncate the file on opening.  */
-} __io_mode;
-
-
-/* Functions to do I/O and file management for a stream.  */
-
-/* Read NBYTES bytes from COOKIE into a buffer pointed to by BUF.
-   Return number of bytes read.  */
-typedef __ssize_t __io_read_fn (__ptr_t __cookie, char *__buf,
-				size_t __nbytes);
-
-/* Write N bytes pointed to by BUF to COOKIE.  Write all N bytes
-   unless there is an error.  Return number of bytes written, or -1 if
-   there is an error without writing anything.  If the file has been
-   opened for append (__mode.__append set), then set the file pointer
-   to the end of the file and then do the write; if not, just write at
-   the current file pointer.  */
-typedef __ssize_t __io_write_fn (__ptr_t __cookie, __const char *__buf,
-				 size_t __n);
-
-/* Move COOKIE's file position to *POS bytes from the
-   beginning of the file (if W is SEEK_SET),
-   the current position (if W is SEEK_CUR),
-   or the end of the file (if W is SEEK_END).
-   Set *POS to the new file position.
-   Returns zero if successful, nonzero if not.  */
-typedef int __io_seek_fn (__ptr_t __cookie, fpos_t *__pos, int __w);
-
-/* Close COOKIE.  */
-typedef int __io_close_fn (__ptr_t __cookie);
-
-/* Return the file descriptor associated with COOKIE,
-   or -1 on error.  There need not be any associated file descriptor.  */
-typedef int __io_fileno_fn (__ptr_t __cookie);
-
-#ifdef __USE_GNU
-/* User-visible names for the above.  */
-typedef __io_read_fn cookie_read_function_t;
-typedef __io_write_fn cookie_write_function_t;
-typedef __io_seek_fn cookie_seek_function_t;
-typedef __io_close_fn cookie_close_function_t;
-typedef __io_fileno_fn cookie_fileno_function_t;
-#endif
-
-/* Low level interface, independent of FILE representation.  */
-#if defined __USE_GNU && !defined _LIBC
-/* Define the user-visible type, with user-friendly member names.  */
-typedef struct
-{
-  __io_read_fn *read;		/* Read bytes.  */
-  __io_write_fn *write;		/* Write bytes.  */
-  __io_seek_fn *seek;		/* Seek/tell file position.  */
-  __io_close_fn *close;		/* Close file.  */
-  __io_fileno_fn *fileno;	/* Return file descriptor.  */
-} cookie_io_functions_t;
-/* This name is still used in the prototypes in this file.  */
-typedef cookie_io_functions_t __io_functions;
-#else
-/* Stick to ANSI-safe names.  */
-typedef struct
-{
-  __io_read_fn *__read;		/* Read bytes.  */
-  __io_write_fn *__write;	/* Write bytes.  */
-  __io_seek_fn *__seek;		/* Seek/tell file position.  */
-  __io_close_fn *__close;	/* Close file.  */
-  __io_fileno_fn *__fileno;	/* Return file descriptor.  */
-} __io_functions;
-#endif
-
-/* Higher level interface, dependent on FILE representation.  */
-typedef struct
-{
-  /* Make room in the input buffer.  */
-  int (*__input) (FILE *__stream);
-  /* Make room in the output buffer.  */
-  void (*__output) (FILE *__stream, int __c);
-} __room_functions;
-
-extern __const __io_functions __default_io_functions;
-extern __const __room_functions __default_room_functions;
-
-
-/* Default close function.  */
-extern __io_close_fn __stdio_close;
-/* Open FILE with mode M, store cookie in *COOKIEPTR.  */
-extern int __stdio_open (__const char *__file, __io_mode __m,
-			 void **__cookieptr) __THROW;
-/* Put out an error message for when stdio needs to die.  */
-extern void __stdio_errmsg (__const char *__msg, size_t __len) __THROW;
-
-
-
-/* For thread safe I/O functions we need a lock in each stream.  We
-   keep the type opaque here.  */
-struct __stdio_lock;
-
-/* The FILE structure.  */
-struct __stdio_file
-{
-  /* Magic number for validation.  Must be negative in open streams
-     for the glue to Unix stdio getc/putc to work.
-     NOTE: stdio/glue.c has special knowledge of these first four members.  */
-  int __magic;
-#define	_IOMAGIC ((int) 0xfedabeeb)	/* Magic number to fill `__magic'.  */
-#define	_GLUEMAGIC ((int) 0xfeedbabe)	/* Magic for glued Unix streams.  */
-
-  char *__bufp;			/* Pointer into the buffer.  */
-  char *__get_limit;		/* Reading limit.  */
-  char *__put_limit;		/* Writing limit.  */
-
-  char *__buffer;		/* Base of buffer.  */
-  size_t __bufsize;		/* Size of the buffer.  */
-  __ptr_t __cookie;		/* Magic cookie.  */
-  __io_mode __mode;		/* File access mode.  */
-  __io_functions __io_funcs;	/* I/O functions.  */
-  __room_functions __room_funcs;/* I/O buffer room functions.  */
-  fpos_t __offset;		/* Current file position.  */
-  fpos_t __target;		/* Target file position.  */
-  FILE *__next;			/* Next FILE in the linked list.  */
-  char *__pushback_bufp;	/* Old bufp if char pushed back.  */
-  unsigned char __pushback;	/* Pushed-back character.  */
-  unsigned int __pushed_back:1;	/* A char has been pushed back.  */
-  unsigned int __eof:1;		/* End of file encountered.  */
-  unsigned int __error:1;	/* Error encountered.  */
-  unsigned int __userbuf:1;	/* Buffer from user (should not be freed).  */
-  unsigned int __linebuf:1;	/* Flush on newline.  */
-  unsigned int __linebuf_active:1; /* put_limit is not really in use.  */
-  unsigned int __seen:1;	/* This stream has been seen.  */
-  unsigned int __ispipe:1;	/* Nonzero if opened by popen.  */
-  struct __stdio_lock *__lock;	/* Pointer to associated lock.  */
-};
-
-
-/* All macros used internally by other macros here and by stdio functions begin
-   with `__'.  All of these may evaluate their arguments more than once.  */
-
-
-/* Nonzero if STREAM is a valid stream.
-   STREAM must be a modifiable lvalue (wow, I got to use that term).
-   See stdio/glue.c for what the confusing bit is about.  */
-#define	__validfp(stream)						      \
-  (stream != NULL &&							      \
-   ({ if (stream->__magic == _GLUEMAGIC)				      \
-	stream = *((struct { int __magic; FILE **__p; } *) stream)->__p;      \
-      stream->__magic == _IOMAGIC; }))
-
-/* Clear the error and EOF indicators of STREAM.  */
-#define	__clearerr(stream)	((stream)->__error = (stream)->__eof = 0)
-
-/* Nuke STREAM, making it unusable but available for reuse.  */
-extern void __invalidate (FILE *__stream) __THROW;
-
-/* Make sure STREAM->__offset and STREAM->__target are initialized.
-   Returns 0 if successful, or EOF on
-   error (but doesn't set STREAM->__error).  */
-extern int __stdio_check_offset (FILE *__stream) __THROW;
-
-
-/* The possibilities for the third argument to `setvbuf'.  */
-#define _IOFBF	0x1		/* Full buffering.  */
-#define _IOLBF	0x2		/* Line buffering.  */
-#define _IONBF	0x4		/* No buffering.  */
-
-
-/* Default buffer size.  */
-#define	BUFSIZ	1024
-
-
-/* End of file character.
-   Some things throughout the library rely on this being -1.  */
-#define	EOF	(-1)
-
-
-/* The possibilities for the third argument to `fseek'.
-   These values should not be changed.  */
-#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_SVID
-/* Default path prefix for `tempnam' and `tmpnam'.  */
-#define	P_tmpdir	"/usr/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),
-		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'.
-   FOPEN_MAX	Minimum number of files that can be open at once.
-   FILENAME_MAX	Maximum length of a filename.  */
-#include <bits/stdio_lim.h>
-
-
-/* All the known streams are in a linked list
-   linked by the `next' field of the FILE structure.  */
-extern FILE *__stdio_head;	/* Head of the list.  */
-
-/* Standard streams.  */
-extern FILE *stdin, *stdout, *stderr;
-#ifdef __STRICT_ANSI__
-/* ANSI says these are macros; satisfy pedants.  */
-#define	stdin	stdin
-#define	stdout	stdout
-#define	stderr	stderr
-#endif
-
-
-/* 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;
-
-
-/* Create a temporary file and open it read/write.  */
-extern FILE *tmpfile (void) __THROW;
-#ifdef __USE_LARGEFILE64
-extern FILE *tmpfile64 (void) __THROW;
-#endif
-/* Generate a temporary filename.  */
-extern char *tmpnam (char *__s) __THROW;
-
-#ifdef __USE_REENTRANT
-/* This is the reentrant variant of `tmpnam'.  The only difference is
-   that it does not allow S to be NULL.  */
-extern char *tmpnam_r (char *__s) __THROW;
-#endif
-
-
-#if defined __USE_SVID || 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 it contains the name of a writable directory, that directory is used.
-   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 (__const char *__dir, __const char *__pfx) __THROW;
-#endif
-
-
-/* This performs actual output when necessary, flushing
-   STREAM's buffer and optionally writing another character.  */
-extern int __flshfp (FILE *__stream, int __c) __THROW;
-
-
-/* Close STREAM.  */
-extern int fclose (FILE *__stream) __THROW;
-/* Flush STREAM, or all streams if STREAM is NULL.  */
-extern int fflush (FILE *__stream) __THROW;
-
-#ifdef __USE_MISC
-/* Faster versions when locking is not required.  */
-extern int fflush_unlocked (FILE *__stream) __THROW;
-#endif
-
-#ifdef __USE_GNU
-/* Close all streams.  */
-extern int __fcloseall (void) __THROW;
-extern int fcloseall (void) __THROW;
-#endif
-
-
-/* Open a file and create a new stream for it.  */
-extern FILE *fopen (__const char *__filename, __const char *__modes) __THROW;
-/* Open a file, replacing an existing stream with it. */
-extern FILE *freopen (__const char *__restrict __filename,
-		      __const char *__restrict __modes,
-		      FILE *__restrict __stream) __THROW;
-
-/* Return a new, zeroed, stream.
-   You must set its cookie and io_mode.
-   The first operation will give it a buffer unless you do.
-   It will also give it the default functions unless you set the `seen' flag.
-   The offset is set to -1, meaning it will be determined by doing a
-   stationary seek.  You can set it to avoid the initial tell call.
-   The target is set to -1, meaning it will be set to the offset
-   before the target is needed.
-   Returns NULL if a stream can't be created.  */
-extern FILE *__newstream (void) __THROW;
-
-#ifdef	__USE_POSIX
-/* Create a new stream that refers to an existing system file descriptor.  */
-extern FILE *__fdopen (int __fd, __const char *__modes) __THROW;
-extern FILE *fdopen (int __fd, __const char *__modes) __THROW;
-#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 (void *__magic_cookie, __const char *__modes,
-			  __io_functions __io_funcs) __THROW;
-
-/* Create a new stream that refers to a memory buffer.  */
-extern FILE *fmemopen (void *__s, size_t __len, __const char *__modes) __THROW;
-
-/* 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 (char **__bufloc, size_t *__sizeloc) __THROW;
-#endif
-
-
-/* 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;
-/* 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 (FILE *__restrict __stream, char *__restrict __buf,
-		    int __modes, size_t __n) __THROW;
-
-#ifdef	__USE_BSD
-/* If BUF is NULL, make STREAM unbuffered.
-   Else make it use SIZE bytes of BUF for buffering.  */
-extern void setbuffer (FILE *__stream, char *__buf, size_t __size) __THROW;
-
-/* Make STREAM line-buffered.  */
-extern void setlinebuf (FILE *__stream) __THROW;
-#endif
-
-
-/* Write formatted output to STREAM.  */
-extern int fprintf (FILE *__restrict __stream,
-		    __const char *__restrict __format, ...) __THROW;
-/* Write formatted output to stdout.  */
-extern int printf (__const char *__restrict __format, ...) __THROW;
-/* Write formatted output to S.  */
-extern int sprintf (char *__restrict __s, __const char *__restrict __format,
-		    ...) __THROW;
-
-/* Write formatted output to S from argument list ARG.  */
-extern int vfprintf (FILE *__restrict __s, __const char *__restrict __format,
-		     __gnuc_va_list __arg) __THROW;
-/* Write formatted output to stdout from argument list ARG.  */
-extern int vprintf (__const char *__restrict __format, __gnuc_va_list __arg)
-     __THROW;
-/* Write formatted output to S from argument list ARG.  */
-extern int vsprintf (char *__restrict __s, __const char *__restrict __format,
-		     __gnuc_va_list __arg) __THROW;
-
-#ifdef	__OPTIMIZE__
-extern __inline int
-vprintf (const char *__restrict __fmt, __gnuc_va_list __arg) __THROW
-{
-  return vfprintf (stdout, __fmt, __arg);
-}
-#endif /* Optimizing.  */
-
-#if defined __USE_BSD || defined __USE_ISOC99
-/* Maximum chars of output to write in MAXLEN.  */
-extern int __snprintf (char *__s, size_t __maxlen,
-		       __const char *__format, ...)
-     __THROW __attribute__ ((__format__ (__printf__, 3, 4)));
-extern int snprintf (char *__s, size_t __maxlen, __const char *__format, ...)
-     __THROW __attribute__ ((__format__ (__printf__, 3, 4)));
-
-extern int __vsnprintf (char *__s, size_t __maxlen,
-			__const char *__format, __gnuc_va_list __arg)
-     __THROW __attribute__ ((__format__ (__printf__, 3, 0)));
-extern int vsnprintf (char *__s, size_t __maxlen,
-		      __const char *__format, __gnuc_va_list __arg)
-     __THROW __attribute__ ((__format__ (__printf__, 3, 0)));
-#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 (char **__restrict __ptr,
-		      __const char *__restrict __f, __gnuc_va_list __arg)
-     __THROW __attribute__ ((__format__ (__printf__, 2, 0)));
-extern int __asprintf (char **__restrict __ptr,
-		       __const char *__restrict __fmt, ...)
-     __THROW __attribute__ ((__format__ (__printf__, 2, 3)));
-extern int asprintf (char **__restrict __ptr,
-		     __const char *__restrict __fmt, ...)
-     __THROW __attribute__ ((__format__ (__printf__, 2, 3)));
-
-/* Write formatted output to a file descriptor.  */
-extern int vdprintf (int __fd, __const char *__restrict __fmt,
-		     __gnuc_va_list __arg)
-     __THROW __attribute__ ((__format__ (__printf__, 2, 0)));
-extern int dprintf (int __fd, __const char *__restrict __fmt, ...)
-     __THROW __attribute__ ((__format__ (__printf__, 2, 3)));
-#endif
-
-
-/* Read formatted input from STREAM.  */
-extern int fscanf (FILE *__restrict __stream,
-		   __const char *__restrict __format, ...) __THROW;
-/* Read formatted input from stdin.  */
-extern int scanf (__const char *__restrict __format, ...) __THROW;
-/* Read formatted input from S.  */
-extern int sscanf (__const char *__restrict __s,
-		   __const char *__restrict __format, ...) __THROW;
-
-#ifdef	__USE_ISOC99
-/* Read formatted input from S into argument list ARG.  */
-extern int __vfscanf (FILE *__s, __const char *__format,
-		      __gnuc_va_list __arg) __THROW;
-extern int vfscanf (FILE *__s, __const char *__format,
-		    __gnuc_va_list __arg) __THROW;
-
-/* Read formatted input from stdin into argument list ARG.  */
-extern int __vscanf (__const char *__format, __gnuc_va_list __arg) __THROW;
-extern int vscanf (__const char *__format, __gnuc_va_list __arg) __THROW;
-
-/* Read formatted input from S into argument list ARG.  */
-extern int __vsscanf (__const char *__s, __const char *__format,
-		      __gnuc_va_list __arg) __THROW;
-extern int vsscanf (__const char *__s, __const char *__format,
-		    __gnuc_va_list __arg) __THROW;
-
-
-#ifdef	__OPTIMIZE__
-extern __inline int
-vfscanf (FILE *__s, const char *__fmt, __gnuc_va_list __arg) __THROW
-{
-  return __vfscanf (__s, __fmt, __arg);
-}
-extern __inline int
-vscanf (const char *__fmt, __gnuc_va_list __arg) __THROW
-{
-  return __vfscanf (stdin, __fmt, __arg);
-}
-extern __inline int
-vsscanf (const char *__s, const char *__fmt, __gnuc_va_list __arg) __THROW
-{
-  return __vsscanf (__s, __fmt, __arg);
-}
-#endif /* Optimizing.  */
-#endif /* Use ISO C9x.  */
-
-
-/* This does actual reading when necessary, filling STREAM's
-   buffer and returning the first character in it.  */
-extern int __fillbf (FILE *__stream) __THROW;
-
-
-/* Read a character from STREAM.  */
-extern int fgetc (FILE *__stream) __THROW;
-extern int getc (FILE *__stream) __THROW;
-
-/* Read a character from stdin.  */
-extern int getchar (void) __THROW;
-
-/* The C standard explicitly says this can
-   re-evaluate its argument, so it does. */
-#define	__getc(stream)							      \
-  ((stream)->__bufp < (stream)->__get_limit ?				      \
-   (int) ((unsigned char) *(stream)->__bufp++) : __fillbf(stream))
-
-/* The C standard explicitly says this is a macro,
-   so we always do the optimization for it.  */
-#define	getc(stream)	__getc(stream)
-
-#ifdef	__OPTIMIZE__
-extern __inline int
-getchar (void) __THROW
-{
-  return __getc (stdin);
-}
-#endif /* Optimizing.  */
-
-#if defined __USE_POSIX || defined __USE_MISC
-/* These are defined in POSIX.1:1996.  */
-extern int getc_unlocked (FILE *__stream) __THROW;
-extern int getchar_unlocked (void) __THROW;
-
-# ifdef __OPTIMIZE__
-extern __inline int
-getc_unlocked (FILE *__stream) __THROW
-{
-  return __getc (__stream);
-}
-
-extern __inline int
-getchar_unlocked (void) __THROW
-{
-  return __getc (stdin);
-}
-# endif /* Optimizing.  */
-#endif /* Use POSIX or MISC.  */
-
-
-/* Write a character to STREAM.  */
-extern int fputc (int __c, FILE *__stream) __THROW;
-extern int putc (int __c, FILE *__stream) __THROW;
-
-/* Write a character to stdout.  */
-extern int putchar (int __c) __THROW;
-
-
-/* The C standard explicitly says this can
-   re-evaluate its arguments, so it does.  */
-#define	__putc(c, stream)						      \
-  ((stream)->__bufp < (stream)->__put_limit ?				      \
-   (int) (unsigned char) (*(stream)->__bufp++ = (unsigned char) (c)) :	      \
-   __flshfp ((stream), (unsigned char) (c)))
-
-/* The C standard explicitly says this can be a macro,
-   so we always do the optimization for it.  */
-#define	putc(c, stream)	__putc ((c), (stream))
-
-#ifdef __OPTIMIZE__
-extern __inline int
-putchar (int __c) __THROW
-{
-  return __putc (__c, stdout);
-}
-#endif
-
-#ifdef __USE_MISC
-/* Faster version when locking is not necessary.  */
-extern int fputc_unlocked (int __c, FILE *__stream) __THROW;
-
-# ifdef __OPTIMIZE__
-extern __inline int
-fputc_unlocked (int __c, FILE *__stream) __THROW
-{
-  return __putc (__c, __stream);
-}
-# endif /* Optimizing.  */
-#endif /* Use MISC.  */
-
-#if defined __USE_POSIX || defined __USE_MISC
-/* These are defined in POSIX.1:1996.  */
-extern int putc_unlocked (int __c, FILE *__stream) __THROW;
-extern int putchar_unlocked (int __c) __THROW;
-
-# ifdef __OPTIMIZE__
-extern __inline int
-putc_unlocked (int __c, FILE *__stream) __THROW
-{
-  return __putc (__c, __stream);
-}
-
-extern __inline int
-putchar_unlocked (int __c) __THROW
-{
-  return __putc (__c, stdout);
-}
-# endif /* Optimizing.  */
-#endif /* Use POSIX or MISC.  */
-
-
-#if defined __USE_SVID || defined __USE_MISC
-/* Get a word (int) from STREAM.  */
-extern int getw (FILE *__stream) __THROW;
-
-/* Write a word (int) to STREAM.  */
-extern int putw (int __w, FILE *__stream) __THROW;
-#endif
-
-
-/* Get a newline-terminated string of finite length from STREAM.  */
-extern char *fgets (char *__restrict __s, int __n,
-		    FILE *__restrict __stream) __THROW;
-
-#ifdef __USE_GNU
-/* This function does the same as `fgets' but does not lock the stream.  */
-extern char *fgets_unlocked (char *__restrict __s, int __n,
-			     FILE *__restrict __stream) __THROW;
-#endif
-
-/* 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 (char *__s) __THROW;
-
-
-#ifdef	__USE_GNU
-#include <sys/types.h>
-
-/* 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.  */
-ssize_t __getdelim (char **__lineptr, size_t *__n,
-		    int __delimiter, FILE *__stream) __THROW;
-ssize_t getdelim (char **__lineptr, size_t *__n,
-		  int __delimiter, FILE *__stream) __THROW;
-
-/* Like `getdelim', but reads up to a newline.  */
-ssize_t __getline (char **__lineptr, size_t *__n, FILE *__stream) __THROW;
-ssize_t getline (char **__lineptr, size_t *__n, FILE *__stream) __THROW;
-
-#ifdef	__OPTIMIZE__
-extern __inline ssize_t
-getline (char **__lineptr, size_t *__n, FILE *__stream) __THROW
-{
-  return __getdelim (__lineptr, __n, '\n', __stream);
-}
-#endif /* Optimizing.  */
-#endif
-
-
-/* Write a string to STREAM.  */
-extern int fputs (__const char *__restrict __s, FILE *__restrict __stream)
-     __THROW;
-
-#ifdef __USE_GNU
-/* This function does the same as `fputs' but does not lock the stream.  */
-extern int fputs_unlocked (__const char *__restrict __s,
-			   FILE *__restrict __stream) __THROW;
-#endif
-
-/* Write a string, followed by a newline, to stdout.  */
-extern int puts (__const char *__s) __THROW;
-
-
-/* Push a character back onto the input buffer of STREAM.  */
-extern int ungetc (int __c, FILE *__stream) __THROW;
-
-
-/* Read chunks of generic data from STREAM.  */
-extern size_t fread (void *__restrict __ptr, size_t __size,
-		     size_t __n, FILE *__restrict __stream) __THROW;
-/* Write chunks of generic data to STREAM.  */
-extern size_t fwrite (__const void *__restrict __ptr, size_t __size,
-		      size_t __n, FILE *__restrict __s) __THROW;
-
-#ifdef __USE_MISC
-/* Faster versions when locking is not necessary.  */
-extern size_t fread_unlocked (void *__restrict __ptr, size_t __size,
-			      size_t __n, FILE *__restrict __stream) __THROW;
-extern size_t fwrite_unlocked (__const void *__restrict __ptr,
-			       size_t __size, size_t __n,
-			       FILE *__restrict __stream) __THROW;
-#endif
-
-
-/* Seek to a certain position on STREAM.  */
-extern int fseek (FILE *__stream, long int __off, int __whence) __THROW;
-/* Return the current position of STREAM.  */
-extern long int ftell (FILE *__stream) __THROW;
-/* Rewind to the beginning of STREAM.  */
-extern void rewind (FILE *__stream) __THROW;
-
-/* Get STREAM's position.  */
-extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos)
-     __THROW;
-/* Set STREAM's position.  */
-extern int fsetpos (FILE *__stream, __const fpos_t *__pos) __THROW;
-
-
-/* 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;
-/* Return the error indicator for STREAM.  */
-extern int ferror (FILE *__stream) __THROW;
-
-#ifdef	__OPTIMIZE__
-#define	feof(stream)	((stream)->__eof != 0)
-#define	ferror(stream)	((stream)->__error != 0)
-#endif /* Optimizing.  */
-
-#ifdef __USE_MISC
-/* Faster versions when locking is not required.  */
-extern void clearerr_unlocked (FILE *__stream) __THROW;
-extern int feof_unlocked (FILE *__stream) __THROW;
-extern int ferror_unlocked (FILE *__stream) __THROW;
-
-# ifdef	__OPTIMIZE__
-#  define feof_unlocked(stream)		((stream)->__eof != 0)
-#  define ferror_unlocked(stream)	((stream)->__error != 0)
-# endif /* Optimizing.  */
-#endif
-
-/* Print a message describing the meaning of the value of errno.  */
-extern void perror (__const char *__s) __THROW;
-
-
-#ifdef	__USE_POSIX
-/* Return the system file descriptor for STREAM.  */
-extern int fileno (FILE *__stream) __THROW;
-#endif /* Use POSIX.  */
-
-#ifdef __USE_MISC
-/* Faster version when locking is not required.  */
-extern int fileno_unlocked (FILE *__stream) __THROW;
-#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 (__const char *__command, __const char *__modes) __THROW;
-
-/* Close a stream opened by popen and return the status of its child.  */
-extern int pclose (FILE *__stream) __THROW;
-#endif
-
-
-#ifdef	__USE_POSIX
-/* Return the name of the controlling terminal.  */
-extern char *ctermid (char *__s) __THROW;
-#endif
-
-
-#ifdef __USE_XOPEN
-/* Return the name of the current user.  */
-extern char *cuserid (char *__s) __THROW;
-#endif
-
-
-#ifdef	__USE_GNU
-struct obstack;			/* See <obstack.h>.  */
-
-/* Open a stream that writes to OBSTACK.  */
-extern FILE *open_obstack_stream (struct obstack *__obstack) __THROW;
-
-/* Write formatted output to an obstack.  */
-extern int obstack_printf (struct obstack *__obstack,
-			   __const char *__format, ...) __THROW;
-extern int obstack_vprintf (struct obstack *__obstack, __const char *__format,
-			    __gnuc_va_list __args) __THROW;
-#endif
-
-
-#if defined __USE_POSIX || defined __USE_MISC
-/* These are defined in POSIX.1:1996.  */
-
-/* Acquire ownership of 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 (FILE *__stream) __THROW;
-
-/* Relinquish the ownership granted for STREAM.  */
-extern void funlockfile (FILE *__stream) __THROW;
-#endif /* POSIX || misc */
-
-#if defined __USE_XOPEN && !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
-
-__END_DECLS
-
-#endif /* <stdio.h> included.  */
-
-#endif /* stdio.h  */