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.

24 files changed, 6 insertions, 1448 deletions

diff --git a/sysdeps/generic/defs.c b/sysdeps/generic/defs.c
deleted file mode 100644
index c71235d..0000000
--- a/sysdeps/generic/defs.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/* Definitions of global stdio data structures.
-   Copyright (C) 1991, 1995, 1997 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.  */
-
-#include <stdio.h>
-
-/* This file should define the following
-   variables as appropriate for the system.  */
-
-FILE *stdin, *stdout, *stderr;
-
-/* Pointer to the first stream in the list.  */
-FILE *__stdio_head;
-
-/* This function MUST be in this file!
-   This is because we want _cleanup to go into the __libc_atexit set
-   when any stdio code is used (and to use any stdio code, one must reference
-   something defined in this file), and since only local symbols can be made
-   set elements, having the set element stab entry here and _cleanup elsewhere
-   loses; and having them both elsewhere loses because there is no reference
-   to cause _cleanup to be linked in.  */
-
-void
-_cleanup ()
-{
-  __fcloseall ();
-}
-
-
-#ifdef	HAVE_GNU_LD
-text_set_element (__libc_atexit, _cleanup);
-#endif
diff --git a/sysdeps/generic/fdopen.c b/sysdeps/generic/fdopen.c
deleted file mode 100644
index d856d04..0000000
--- a/sysdeps/generic/fdopen.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/* Copyright (C) 1991, 1995, 1996, 1997 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.  */
-
-#include <errno.h>
-#include <stdio.h>
-
-/* Open a new stream on a given system file descriptor.  */
-FILE *
-__fdopen (fd, mode)
-     int fd;
-     const char *mode;
-{
-  __set_errno (ENOSYS);
-  return NULL;
-}
-weak_alias (__fdopen, fdopen)
-
-stub_warning (fdopen)
-#include <stub-tag.h>
diff --git a/sysdeps/generic/pipestream.c b/sysdeps/generic/pipestream.c
deleted file mode 100644
index f30dbdd..0000000
--- a/sysdeps/generic/pipestream.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/* Copyright (C) 1991, 1993, 1995, 1996, 1997 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.  */
-
-#include <stddef.h>
-#include <signal.h>
-#include <stdio.h>
-#include <errno.h>
-
-
-/* Open a new stream that is a one-way pipe to a
-   child process running the given shell command.  */
-FILE *
-popen (command, mode)
-     const char *command;
-     const char *mode;
-{
-  if (command == NULL || mode == NULL || (*mode != 'r' && *mode != 'w'))
-    {
-      __set_errno (EINVAL);
-      return NULL;
-    }
-
-  __set_errno (ENOSYS);
-  return NULL;
-}
-
-/* Close a stream opened by popen and return its status.
-   Returns -1 if the stream was not opened by popen.  */
-int
-pclose (stream)
-     register FILE *stream;
-{
-  if (!__validfp (stream) || !stream->__ispipe)
-    {
-      __set_errno (EINVAL);
-      return -1;
-    }
-
-  __set_errno (ENOSYS);
-  return -1;
-}
-
-stub_warning (popen)
-stub_warning (pclose)
-#include <stub-tag.h>
diff --git a/sysdeps/generic/stdio_init.c b/sysdeps/generic/stdio_init.c
deleted file mode 100644
index 4269343..0000000
--- a/sysdeps/generic/stdio_init.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Copyright (C) 1991, 1997 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.  */
-
-#include <stdio.h>
-
-/* Initialize STREAM as necessary.
-   This may change I/O functions, give a buffer, etc.
-   If no buffer is allocated, but the bufsize is set,
-   the bufsize will be used to allocate the buffer.  */
-void
-__stdio_init_stream (stream)
-     FILE *stream;
-{
-  stream->__bufsize = BUFSIZ;
-}
diff --git a/sysdeps/generic/sysd-stdio.c b/sysdeps/generic/sysd-stdio.c
deleted file mode 100644
index 032ea60..0000000
--- a/sysdeps/generic/sysd-stdio.c
+++ /dev/null
@@ -1,191 +0,0 @@
-/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 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.  */
-
-#include <errno.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-extern __io_read_fn __stdio_read;
-extern __io_write_fn __stdio_write;
-extern __io_seek_fn __stdio_seek;
-extern __io_close_fn __stdio_close;
-extern __io_fileno_fn __stdio_fileno;
-
-/* Read N bytes into BUF from COOKIE.  */
-int
-__stdio_read (void *cookie, char *buf, size_t n)
-{
-  const int fd = (int) cookie;
-#if defined EINTR && defined EINTR_REPEAT
-  int save = errno;
-  int nread;
-
- try:;
-  __set_errno (0);
-  nread = __read (fd, buf, (int) n);
-  if (nread < 0)
-    {
-      if (errno == EINTR)
-	goto try;
-      return -1;
-    }
-  __set_errno (save);
-  return nread;
-
-#else	/* No EINTR.  */
-  return __read (fd, buf, n);
-#endif
-}
-
-
-/* Write N bytes from BUF to COOKIE.  */
-int
-__stdio_write (void *cookie, const char *buf, size_t n)
-{
-  const int fd = (int) cookie;
-  register size_t written = 0;
-
-  while (n > 0)
-    {
-      int count = __write (fd, buf, (int) n);
-      if (count > 0)
-	{
-	  buf += count;
-	  written += count;
-	  n -= count;
-	}
-      else if (count < 0
-#if defined EINTR && defined EINTR_REPEAT
-	       && errno != EINTR
-#endif
-	       )
-	/* Write error.  */
-	return -1;
-    }
-
-  return (int) written;
-}
-
-
-/* Move COOKIE's file position *POS bytes, according to WHENCE.
-   The new file position is stored in *POS.
-   Returns zero if successful, nonzero if not.  */
-int
-__stdio_seek (void *cookie, fpos_t *pos, int whence)
-{
-  off_t new;
-  new = __lseek ((int) cookie, (off_t) *pos, whence);
-  if (new < 0)
-    return 1;
-  *pos = (fpos_t) new;
-  return 0;
-}
-
-
-/* Close COOKIE.  */
-int
-__stdio_close (void *cookie)
-{
-  return __close ((int) cookie);
-}
-
-/* Return the POSIX.1 file descriptor associated with COOKIE,
-   or -1 for errors.  If COOKIE does not relate to any POSIX.1 file
-   descriptor, this should return -1 with errno set to EOPNOTSUPP.  */
-int
-__stdio_fileno (void *cookie)
-{
-  return (int) cookie;
-}
-
-
-/* Open the given file with the mode given in the __io_mode argument.  */
-int
-__stdio_open (const char *filename, __io_mode m, void **cookieptr)
-{
-  int fd;
-  int mode;
-
-  if (m.__read && m.__write)
-    mode = O_RDWR;
-  else
-    mode = m.__read ? O_RDONLY : O_WRONLY;
-
-  if (m.__append)
-    mode |= O_APPEND;
-  if (m.__exclusive)
-    mode |= O_EXCL;
-  if (m.__truncate)
-    mode |= O_TRUNC;
-
-  if (m.__create)
-    fd = __open (filename, mode | O_CREAT,
-		 S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH);
-  else
-    fd = __open (filename, mode);
-
-  if (fd < 0)
-    return -1;
-
-  *cookieptr = (void *) fd;
-  return 0;
-}
-
-
-/* Open FILENAME with the mode in M.  Use the same magic cookie
-   already in *COOKIEPTR if possible, closing the old cookie with CLOSEFN.  */
-int
-__stdio_reopen (const char *filename, __io_mode m, void **cookieptr,
-		__io_close_fn closefn)
-{
-  void *newcookie;
-
-  /* We leave the old descriptor open while we open the file.
-     That way ``freopen ("/dev/stdin", "r", stdin)'' works.  */
-
-  if (__stdio_open (filename, m, &newcookie))
-    {
-      if (errno == ENFILE || errno == EMFILE)
-	{
-	  /* We are out of file descriptors.  Try closing the old one and
-	     retrying the open.  */
-	  (void) (*closefn) (*cookieptr);
-	  if (__stdio_open (filename, m, &newcookie))
-	    return -1;
-	}
-      else
-	return -1;
-    }
-
-  if (newcookie != *cookieptr)
-    {
-      if (closefn != __stdio_close ||
-	  /* Try to move the descriptor to the desired one.  */
-	  __dup2 ((int) newcookie, (int) *cookieptr) < 0)
-	/* Didn't work.  Give the caller the new cookie.  */
-	*cookieptr = newcookie;
-    }
-
-  return 0;
-}
diff --git a/sysdeps/generic/vdprintf.c b/sysdeps/generic/vdprintf.c
deleted file mode 100644
index d8bd3bc..0000000
--- a/sysdeps/generic/vdprintf.c
+++ /dev/null
@@ -1,33 +0,0 @@
-/* Copyright (C) 1997 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.  */
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdarg.h>
-
-/* Write formatted output to file descriptor D according to the format string
-   FORMAT, using the argument list in ARG.  */
-int
-vdprintf (int d, const char *format, va_list arg)
-{
-  __set_errno (ENOSYS);
-  return 0;
-}
-
-stub_warning (vdprintf)
-#include <stub-tag.h>
diff --git a/sysdeps/mach/hurd/configure b/sysdeps/mach/hurd/configure
index 93434c0..7017ea4 100755
--- a/sysdeps/mach/hurd/configure
+++ b/sysdeps/mach/hurd/configure
@@ -12,14 +12,9 @@ fi
 
 case "$machine" in
   i386*)
-    # With --enable-libio, the default oldest ABI is 2.2.6;
-    # without --enable-libio, the default oldest ABI is 2.0.
+    # The default oldest ABI is 2.2.6.
     # We only need a "yes" here if the oldest ABI supported will be < 2.2.6.
-    if if test "$stdio" = libio; then
-         test "$oldest_abi" != default && test "$oldest_abi" \< "2.2.6"
-       else
-         test "$oldest_abi" = default || test "$oldest_abi" \< "2.2.6"
-       fi; then
+    if test "$oldest_abi" != default && test "$oldest_abi" \< "2.2.6"; then
       libc_cv_gcc_unwind_find_fde=yes
     fi
     ;;
@@ -29,7 +24,7 @@ esac
 
 # See if mig groks `retcode'.
 echo $ac_n "checking whether $MIG supports the retcode keyword""... $ac_c" 1>&6
-echo "configure:33: checking whether $MIG supports the retcode keyword" >&5
+echo "configure:28: checking whether $MIG supports the retcode keyword" >&5
 if eval "test \"`echo '$''{'hurd_cv_mig_retcode'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -43,7 +38,7 @@ simpleroutine foobar_reply (
 	reply_port: reply_port_t;
 	err: kern_return_t, RetCode);
 EOF
-if { ac_try='CC="${CC}" ${MIG-false} -n conftest.defs 1>&5'; { (eval echo configure:47: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+if { ac_try='CC="${CC}" ${MIG-false} -n conftest.defs 1>&5'; { (eval echo configure:42: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
   hurd_cv_mig_retcode=yes
 else
   hurd_cv_mig_retcode=no
diff --git a/sysdeps/mach/hurd/configure.in b/sysdeps/mach/hurd/configure.in
index 26bdaf6..f5afe2f 100644
--- a/sysdeps/mach/hurd/configure.in
+++ b/sysdeps/mach/hurd/configure.in
@@ -14,14 +14,9 @@ fi
 
 case "$machine" in
   i386*)
-    # With --enable-libio, the default oldest ABI is 2.2.6;
-    # without --enable-libio, the default oldest ABI is 2.0.
+    # The default oldest ABI is 2.2.6.
     # We only need a "yes" here if the oldest ABI supported will be < 2.2.6.
-    if if test "$stdio" = libio; then
-         test "$oldest_abi" != default && test "$oldest_abi" \< "2.2.6"
-       else
-         test "$oldest_abi" = default || test "$oldest_abi" \< "2.2.6"
-       fi; then
+    if test "$oldest_abi" != default && test "$oldest_abi" \< "2.2.6"; then
       libc_cv_gcc_unwind_find_fde=yes
     fi
     ;;
diff --git a/sysdeps/mach/hurd/defs.c b/sysdeps/mach/hurd/defs.c
deleted file mode 100644
index 3999957..0000000
--- a/sysdeps/mach/hurd/defs.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/* Definitions of global stdio data structures.
-   Copyright (C) 1991,92,93,94,95,97,2000 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.  */
-
-#include <stdio.h>
-#include <hurd/fd.h>
-#include <unistd.h>
-
-FILE *stdin, *stdout, *stderr;
-
-/* Pointer to the first stream in the list.  */
-FILE *__stdio_head = NULL;
-
-/* XXX should be __init_stdio? */
-static void
-init_stdio (void)
-{
-  inline void init (FILE **streamptr, int fd)
-    {
-      /* We want to use the existing FILE object if one has been allocated.
-	 (This will only be the case if our image came from something like
-	 Emacs's unexec, where we were called in the first run.)  */
-      FILE *s = *streamptr ?: __newstream ();
-      struct hurd_fd *d = _hurd_fd_get (fd);
-      if (d == NULL)
-	{
-	  /* There is no file descriptor allocated.  We want the standard
-	     streams to always refer to their standard file descriptors, even
-	     if those descriptors are not set up until later.  So allocate
-	     the descriptor structure with no ports and store it in the
-	     stream.  Operations will fail until ports are installed in the
-	     file descriptor.  */
-	  if (d = _hurd_alloc_fd (NULL, fd))
-	    __spin_unlock (&d->port.lock);
-	}
-      if (s)
-	s->__cookie = d;
-      *streamptr = s;
-    }
-#define S(NAME, FD, MODE) \
-  init (&NAME, FD); if (NAME) NAME->__mode.__##MODE = 1;
-
-  S (stdin, STDIN_FILENO, read);
-  S (stdout, STDOUT_FILENO, write);
-  S (stderr, STDERR_FILENO, write);
-
-#undef S
-
-  if (stderr)
-    stderr->__userbuf = 1;	/* stderr is always unbuffered.  */
-
-  (void) &init_stdio;		/* Avoid "defined but not used" warning.  */
-}
-/* This initializer will be run along with other vanilla libc initializers
-   in a normal Posixoid environment.  The earlier Hurd-speciifc initializer
-   phases cannot use normal facilities like malloc (which stdio uses).  */
-text_set_element (__libc_subinit, init_stdio);
-
-/* This function MUST be in this file!
-   This is because we want _cleanup to go into the __libc_atexit set
-   when any stdio code is used (and to use any stdio code, one must reference
-   something defined in this file), and since only local symbols can be made
-   set elements, having the set element stab entry here and _cleanup elsewhere
-   loses; and having them both elsewhere loses because there is no reference
-   to cause _cleanup to be linked in.  */
-
-void
-_cleanup (void)
-{
-  __fcloseall ();
-}
-text_set_element (__libc_atexit, _cleanup);
diff --git a/sysdeps/mach/hurd/fdopen.c b/sysdeps/mach/hurd/fdopen.c
deleted file mode 100644
index 49cf0e6..0000000
--- a/sysdeps/mach/hurd/fdopen.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/* Copyright (C) 1991, 1994, 1995, 1997, 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.  */
-
-#include <errno.h>
-#include <stdio.h>
-#include <hurd/fd.h>
-#include <fcntl.h>
-#include <hurd/io.h>
-
-/* Defined in fopen.c.  */
-extern int __getmode (const char *mode, __io_mode *mptr);
-
-/* Open a new stream on a given system file descriptor.  */
-FILE *
-__fdopen (fd, mode)
-     int fd;
-     const char *mode;
-{
-  FILE *stream;
-  __io_mode m;
-  struct hurd_fd *d;
-  error_t err;
-  int openmodes;
-
-  if (!__getmode (mode, &m))
-    return NULL;
-
-  HURD_CRITICAL_BEGIN;
-  d = _hurd_fd_get (fd);
-  if (d == NULL)
-    err = EBADF;
-  else
-    err = HURD_FD_PORT_USE (d, __io_get_openmodes (port, &openmodes));
-  HURD_CRITICAL_END;
-
-  if (err)
-    return __hurd_dfail (fd, err), NULL;
-
-  /* Check the access mode.  */
-  if ((m.__read && !(openmodes & O_READ)) ||
-      (m.__write && !(openmodes & O_WRITE)))
-    {
-      errno = EBADF;
-      return NULL;
-    }
-
-  stream = __newstream ();
-  if (stream == NULL)
-    return NULL;
-
-  stream->__cookie = d;
-  stream->__mode = m;
-
-  return stream;
-}
-
-weak_alias (__fdopen, fdopen)
diff --git a/sysdeps/mach/hurd/pipestream.c b/sysdeps/mach/hurd/pipestream.c
deleted file mode 100644
index 548e1e7..0000000
--- a/sysdeps/mach/hurd/pipestream.c
+++ /dev/null
@@ -1,2 +0,0 @@
-/* Make sure NO_WAITPID is not set; sysdeps/unix/pipestream.c defines it. */
-#include <sysdeps/posix/pipestream.c>
diff --git a/sysdeps/mach/hurd/stdio_init.c b/sysdeps/mach/hurd/stdio_init.c
deleted file mode 100644
index 2da15ce..0000000
--- a/sysdeps/mach/hurd/stdio_init.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/* Copyright (C) 1995, 1997, 1998 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.  */
-
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <hurd/fd.h>
-#include <hurd/io.h>
-#include <hurd/term.h>
-
-/* Initialize STREAM as necessary.
-   This may change I/O functions, give a buffer, etc.
-   If no buffer is allocated, but the bufsize is set,
-   the bufsize will be used to allocate the buffer.  */
-void
-__stdio_init_stream (FILE *stream)
-{
-  struct hurd_fd *const d = stream->__cookie;
-  struct stat statb;
-  error_t err;
-
-  if (stream->__buffer != NULL || stream->__userbuf)
-    /* If's unbuffered by request, we can't do anything useful.  */
-    return;
-
-  /* Find out what sort of file this is.  */
-  if (err = HURD_FD_PORT_USE (d, __io_stat (port, &statb)))
-    return;
-
-  if (S_ISCHR (statb.st_mode))
-    {
-      /* It's a character device.
-	 Make it line-buffered if it's a terminal.  */
-      mach_port_t cttyid;
-      err = HURD_FD_PORT_USE (d, __term_getctty (port, &cttyid));
-      if (! err)
-	{
-	  __mach_port_deallocate (__mach_task_self (), cttyid);
-	  stream->__linebuf = 1;
-	}
-    }
-
-  /* Use the block-size field to determine
-     the system's optimal buffering size.  */
-  stream->__bufsize = statb.st_blksize;
-}
diff --git a/sysdeps/mach/hurd/sysd-stdio.c b/sysdeps/mach/hurd/sysd-stdio.c
deleted file mode 100644
index 14a2aee..0000000
--- a/sysdeps/mach/hurd/sysd-stdio.c
+++ /dev/null
@@ -1,257 +0,0 @@
-/* Copyright (C) 1994,95,96,97,98,2001 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.  */
-
-#include <errno.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <hurd.h>
-#include <fcntl.h>
-#include <hurd/fd.h>
-
-extern __io_read_fn __stdio_read;
-extern __io_write_fn __stdio_write;
-extern __io_seek_fn __stdio_seek;
-extern __io_close_fn __stdio_close;
-extern __io_fileno_fn __stdio_fileno;
-
-
-/* Check ERR for wanting to generate a signal.  */
-
-static inline int
-fd_fail (struct hurd_fd *fd, error_t err)
-{
-  int signo = _hurd_fd_error_signal (err);
-  if (signo)
-    {
-      const struct hurd_signal_detail detail
-	= { code: __stdio_fileno (fd), error: err, exc: 0 };
-      _hurd_raise_signal (NULL, signo, &detail);
-    }
-  errno = err;
-  return -1;
-}
-
-
-/* Read up to N chars into BUF from COOKIE.
-   Return how many chars were read, 0 for EOF or -1 for error.  */
-ssize_t
-__stdio_read (cookie, buf, n)
-     void *cookie;
-     char *buf;
-     size_t n;
-{
-  error_t err;
-  struct hurd_fd *fd = cookie;
-
-  if (! fd)
-    return __hurd_fail (EBADF);
-
-  if (err = _hurd_fd_read (fd, buf, &n, -1))
-    return fd_fail (fd, err);
-
-  return n;
-}
-
-/* Write up to N chars from BUF to COOKIE.
-   Return how many chars were written or -1 for error.  */
-ssize_t
-__stdio_write (cookie, buf, n)
-     void *cookie;
-     const char *buf;
-     size_t n;
-{
-  error_t err;
-  size_t wrote, nleft;
-  struct hurd_fd *fd = cookie;
-
-  if (! fd)
-    return __hurd_fail (EBADF);
-
-  nleft = n;
-  do
-    {
-      wrote = nleft;
-      if (err = _hurd_fd_write (fd, buf, &wrote, -1))
-	return fd_fail (fd, err);
-      buf += wrote;
-      nleft -= wrote;
-    } while (nleft > 0);
-
-  return wrote;
-}
-
-/* Move COOKIE's file position *POS bytes, according to WHENCE.
-   The current file position is stored in *POS.
-   Returns zero if successful, nonzero if not.  */
-int
-__stdio_seek (cookie, pos, whence)
-     void *cookie;
-     fpos_t *pos;
-     int whence;
-{
-  error_t err;
-  struct hurd_fd *fd = cookie;
-  if (! fd)
-    return __hurd_fail (EBADF);
-  err = HURD_FD_PORT_USE (fd, __io_seek (port, *pos, whence, pos));
-  return err ? fd_fail (fd, err) : 0;
-}
-
-/* Close the file associated with COOKIE.
-   Return 0 for success or -1 for failure.  */
-int
-__stdio_close (cookie)
-     void *cookie;
-{
-  error_t error = cookie ? _hurd_fd_close (cookie) : EBADF;
-  return error ? fd_fail (cookie, error) : 0;
-}
-
-
-static inline int
-modeflags (__io_mode m)
-{
-  int flags = 0;
-  if (m.__read)
-    flags |= O_READ;
-  if (m.__write)
-    flags |= O_WRITE;
-  if (m.__append)
-    flags |= O_APPEND;
-  if (m.__create)
-    flags |= O_CREAT;
-  if (m.__truncate)
-    flags |= O_TRUNC;
-  if (m.__exclusive)
-    flags |= O_EXCL;
-  return flags;
-}
-
-/* Open FILENAME with the mode in M.  */
-int
-__stdio_open (filename, m, cookieptr)
-     const char *filename;
-     __io_mode m;
-     void **cookieptr;
-{
-  int flags;
-  file_t port;
-  struct hurd_fd *d;
-
-  flags = modeflags (m);
-  port = __file_name_lookup (filename, flags, 0666 & ~_hurd_umask);
-  if (port == MACH_PORT_NULL)
-    return -1;
-
-  HURD_CRITICAL_BEGIN;
-  d = _hurd_alloc_fd (NULL, 0);
-  if (d != NULL)
-    {
-      _hurd_port2fd (d, port, flags);
-      __spin_unlock (&d->port.lock);
-    }
-  HURD_CRITICAL_END;
-
-  *cookieptr = d;
-  return 0;
-}
-
-
-/* Open FILENAME with the mode in M.  Use the same magic cookie
-   already in *COOKIEPTR if possible, closing the old cookie with CLOSEFN.  */
-int
-__stdio_reopen (const char *filename,
-		__io_mode m,
-		void **cookieptr,
-		__io_close_fn closefn)
-{
-  int flags;
-  file_t port;
-  struct hurd_fd *d;
-
-  if (closefn != __stdio_close)
-    {
-      /* The old cookie is Not Of The Body.
-	 Just close it and do a normal open.  */
-      (*closefn) (*cookieptr);
-      return __stdio_open (filename, m, cookieptr);
-    }
-
-  /* Open a new port on the file.  */
-  flags = modeflags (m);
-  port = __file_name_lookup (filename, flags, 0666 & ~_hurd_umask);
-
-  /* Install the new port in the same file descriptor slot the old cookie
-     points to.  If opening the file failed, PORT will be MACH_PORT_NULL
-     and installing it in the descriptor will have the effect of closing
-     the old descriptor.  */
-
-  d = *cookieptr;
-  HURD_CRITICAL_BEGIN;
-  __spin_lock (&d->port.lock);
-  _hurd_port2fd (d, port, flags);
-  __spin_unlock (&d->port.lock);
-  HURD_CRITICAL_END;
-
-  return port == MACH_PORT_NULL ? -1 : 0;
-}
-
-
-/* Write a message to the error output.
-   Try hard to make it really get out.  */
-void
-__stdio_errmsg (msg, len)
-     const char *msg;
-     size_t len;
-{
-  io_t server;
-  mach_msg_type_number_t wrote;
-
-  server = __getdport (2);
-  __io_write (server, msg, len, -1, &wrote);
-  __mach_port_deallocate (__mach_task_self (), server);
-}
-
-
-/* Return the POSIX.1 file descriptor associated with COOKIE,
-   or -1 for errors.  If COOKIE does not relate to any POSIX.1 file
-   descriptor, this should return -1 with errno set to EOPNOTSUPP.  */
-int
-__stdio_fileno (cookie)
-     void *cookie;
-{
-  int fd;
-
-  if (! cookie)
-    return __hurd_fail (EBADF);
-
-  __mutex_lock (&_hurd_dtable_lock);
-  for (fd = 0; fd < _hurd_dtablesize; ++fd)
-    if (_hurd_dtable[fd] == cookie)
-      {
-	__mutex_unlock (&_hurd_dtable_lock);
-	return fd;
-      }
-  __mutex_unlock (&_hurd_dtable_lock);
-
-  /* This should never happen, because this function should not be
-     installed as a stream's __fileno function unless that stream's cookie
-     points to a file descriptor.  */
-  errno = EGRATUITOUS;
-  return -1;
-}
diff --git a/sysdeps/mach/hurd/vdprintf.c b/sysdeps/mach/hurd/vdprintf.c
deleted file mode 100644
index 568fb6b..0000000
--- a/sysdeps/mach/hurd/vdprintf.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/* Copyright (C) 1991, 1992, 1993, 1997 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.  */
-
-#include <errno.h>
-#include <limits.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <string.h>
-#include <hurd/fd.h>
-
-/* Write formatted output to file descriptor D according to the format string
-   FORMAT, using the argument list in ARG.  */
-int
-vdprintf (int d, const char *format, va_list arg)
-{
-  int done;
-  FILE f;
-  struct hurd_fd *fd;
-
-  HURD_CRITICAL_BEGIN;
-  fd = _hurd_fd_get (d);
-  HURD_CRITICAL_END;
-
-  if (!fd)
-    return 0;
-
-  /* Create an unbuffered stream talking to D on the stack.  */
-  memset ((void *) &f, 0, sizeof (f));
-  f.__magic = _IOMAGIC;
-  f.__mode.__write = 1;
-  f.__cookie = fd;
-  f.__room_funcs = __default_room_functions;
-  f.__io_funcs = __default_io_functions;
-  f.__seen = 1;
-  f.__userbuf = 1;
-
-  /* vfprintf will use a buffer on the stack for the life of the call,
-     and flush it when finished.  */
-  done = vfprintf (&f, format, arg);
-
-  return done;
-}
diff --git a/sysdeps/posix/defs.c b/sysdeps/posix/defs.c
deleted file mode 100644
index 7fe1908..0000000
--- a/sysdeps/posix/defs.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/* Definitions of global stdio data structures.
-   Copyright (C) 1991, 1993, 1997 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.  */
-
-#include <stddef.h>
-#include <stdio.h>
-#include <unistd.h>
-
-/* This file defines all the global internal variables for stdio.  */
-
-/* Standard streams.  */
-#define	READ		1, 0
-#define	WRITE		0, 1
-#define	BUFFERED	0
-#define	UNBUFFERED	1
-#define	stdstream(name, next, fd, readwrite, unbuffered)		      \
-    {									      \
-      _IOMAGIC,								      \
-      NULL, NULL, NULL, NULL, 0,					      \
-      (void *) fd,							      \
-      { readwrite, /* ... */ },						      \
-      { NULL, NULL, NULL, NULL, NULL },					      \
-      { NULL, NULL },							      \
-      -1, -1,								      \
-      (next),								      \
-      NULL, '\0', 0,							      \
-      0, 0, unbuffered, 0, 0, 0, 0					      \
-    }
-static FILE stdstreams[3] =
-  {
-    stdstream (&stdstreams[0], &stdstreams[1], STDIN_FILENO, READ, BUFFERED),
-    stdstream (&stdstreams[1], &stdstreams[2], STDOUT_FILENO, WRITE, BUFFERED),
-    stdstream (&stdstreams[2], NULL, STDERR_FILENO, WRITE, UNBUFFERED),
-  };
-FILE *stdin = &stdstreams[0];
-FILE *stdout = &stdstreams[1];
-FILE *stderr = &stdstreams[2];
-
-/* Pointer to the first stream in the list.  */
-FILE *__stdio_head = &stdstreams[0];
-
-/* This function MUST be in this file!
-   This is because we want _cleanup to go into the __libc_atexit set
-   when any stdio code is used (and to use any stdio code, one must reference
-   something defined in this file), and since only local symbols can be made
-   set elements, having the set element stab entry here and _cleanup elsewhere
-   loses; and having them both elsewhere loses because there is no reference
-   to cause _cleanup to be linked in.  */
-
-void
-_cleanup (void)
-{
-  __fcloseall ();
-}
-
-
-#ifdef	HAVE_GNU_LD
-text_set_element(__libc_atexit, _cleanup);
-#endif
diff --git a/sysdeps/posix/fdopen.c b/sysdeps/posix/fdopen.c
deleted file mode 100644
index af951db..0000000
--- a/sysdeps/posix/fdopen.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/* Copyright (C) 1991, 1992, 1993, 1996 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.  */
-
-#include <errno.h>
-#include <stdio.h>
-#include <fcntl.h>
-
-/* Defined in fopen.c.  */
-extern int __getmode (const char *mode, __io_mode *mptr);
-
-/* Open a new stream on a given system file descriptor.  */
-FILE *
-__fdopen (fd, mode)
-     int fd;
-     const char *mode;
-{
-  register FILE *stream;
-  __io_mode m;
-  int dflags;
-
-  if (!__getmode (mode, &m))
-    return NULL;
-
-  /* Verify the FD is valid and allows the access MODE specifies.  */
-
-  dflags = __fcntl (fd, F_GETFL);
-  if (dflags == -1)
-    /* FD was invalid; fcntl has already set errno.  */
-    return NULL;
-
-  /* Check the access mode.  */
-  switch (dflags & O_ACCMODE)
-    {
-    case O_RDONLY:
-      if (!m.__read)
-	{
-	  __set_errno (EBADF);
-	  return NULL;
-	}
-      break;
-    case O_WRONLY:
-      if (!m.__write)
-	{
-	  __set_errno (EBADF);
-	  return NULL;
-	}
-      break;
-    }
-
-  stream = __newstream ();
-  if (stream == NULL)
-    return NULL;
-
-  stream->__cookie = (void *) fd;
-  stream->__mode = m;
-
-  return stream;
-}
-
-weak_alias (__fdopen, fdopen)
diff --git a/sysdeps/posix/pipestream.c b/sysdeps/posix/pipestream.c
deleted file mode 100644
index 94e09f1..0000000
--- a/sysdeps/posix/pipestream.c
+++ /dev/null
@@ -1,221 +0,0 @@
-/* Copyright (C) 1991, 1992, 1993, 1996, 1997 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.  */
-
-#include <errno.h>
-#include <stddef.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#define	SH_PATH	"/bin/sh"	/* Shell to run.  */
-#define	SH_NAME	"sh"		/* Name to give it.  */
-
-/* Structure describing a popen child.  */
-struct child
-  {
-    pid_t pid;			/* PID of the child.  */
-    __ptr_t cookie;		/* Original cookie from fdopen.  */
-    __io_functions funcs;	/* Original functions from fdopen.  */
-  };
-
-/* io_functions for pipe streams.
-   These all simply call the corresponding
-   original function with the original cookie.  */
-
-#define FUNC(type, name, proto, args)					      \
-  static type __CONCAT(child_,name) proto				      \
-  {									      \
-    struct child *c = (struct child *) cookie;				      \
-    {									      \
-      __ptr_t cookie = c->cookie;					      \
-      return (*c->funcs.__CONCAT(__,name)) args;			      \
-    }									      \
-  }
-
-FUNC (int, read, (void *cookie, char *buf, size_t n), (cookie, buf, n))
-FUNC (int, write, (void *cookie, const char *buf, size_t n), (cookie, buf, n))
-FUNC (int, seek, (void *cookie, fpos_t *pos, int whence),
-      (cookie, pos, whence))
-FUNC (int, close, (void *cookie), (cookie))
-FUNC (int, fileno, (void *cookie), (cookie))
-
-static const __io_functions child_funcs
-  = { child_read, child_write, child_seek, child_close, child_fileno };
-
-/* Open a new stream that is a one-way pipe to a
-   child process running the given shell command.  */
-FILE *
-popen (command, mode)
-     const char *command;
-     const char *mode;
-{
-  pid_t pid;
-  int pipedes[2];
-  FILE *stream;
-  struct child *child;
-
-  if (command == NULL || mode == NULL || (*mode != 'r' && *mode != 'w'))
-    {
-      __set_errno (EINVAL);
-      return NULL;
-    }
-
-  /* Create the pipe.  */
-  if (pipe (pipedes) < 0)
-    return NULL;
-
-  /* Fork off the child.  */
-  pid = __vfork ();
-  if (pid == (pid_t) -1)
-    {
-      /* The fork failed.  */
-      (void) close (pipedes[0]);
-      (void) close (pipedes[1]);
-      return NULL;
-    }
-  else if (pid == (pid_t) 0)
-    {
-      /* We are the child side.  Make the write side of
-	 the pipe be stdin or the read side be stdout.  */
-
-      const char *new_argv[4];
-
-      if ((*mode == 'w' ? dup2(pipedes[STDIN_FILENO], STDIN_FILENO) :
-	  dup2 (pipedes[STDOUT_FILENO], STDOUT_FILENO)) < 0)
-	_exit (127);
-
-      /* Close the pipe descriptors.  */
-      (void) close (pipedes[STDIN_FILENO]);
-      (void) close (pipedes[STDOUT_FILENO]);
-
-      /* Exec the shell.  */
-      new_argv[0] = SH_NAME;
-      new_argv[1] = "-c";
-      new_argv[2] = command;
-      new_argv[3] = NULL;
-      (void) execve (SH_PATH, (char *const *) new_argv, environ);
-      /* Die if it failed.  */
-      _exit (127);
-    }
-
-  /* We are the parent side.  */
-
-  /* Close the irrelevant side of the pipe and open the relevant side as a
-     new stream.  Mark our side of the pipe to close on exec, so new children
-     won't see it.  */
-  if (*mode == 'r')
-    {
-      (void) close (pipedes[STDOUT_FILENO]);
-      (void) fcntl (pipedes[STDIN_FILENO], F_SETFD, FD_CLOEXEC);
-      stream = fdopen (pipedes[STDIN_FILENO], mode);
-    }
-  else
-    {
-      (void) close (pipedes[STDIN_FILENO]);
-      (void) fcntl (pipedes[STDOUT_FILENO], F_SETFD, FD_CLOEXEC);
-      stream = fdopen (pipedes[STDOUT_FILENO], mode);
-    }
-
-  if (stream == NULL)
-    goto error;
-
-  child = (struct child *) malloc (sizeof (struct child));
-  if (child == NULL)
-    goto error;
-
-  {
-    /* Make sure STREAM has its functions set before
-       we try to squirrel them away in CHILD.  */
-    extern void __stdio_check_funcs __P ((FILE *));
-    __stdio_check_funcs (stream);
-  }
-
-  child->pid = pid;
-  child->cookie = stream->__cookie;
-  child->funcs = stream->__io_funcs;
-  stream->__cookie = (void *) child;
-  stream->__io_funcs = child_funcs;
-  stream->__ispipe = 1;
-  return stream;
-
- error:
-  {
-    /* The stream couldn't be opened or the child structure couldn't be
-       allocated.  Kill the child and close the other side of the pipe.  */
-    int save = errno;
-    (void) kill (pid, SIGKILL);
-    if (stream == NULL)
-      (void) close (pipedes[*mode == 'r' ? STDOUT_FILENO : STDIN_FILENO]);
-    else
-      (void) fclose (stream);
-#ifndef	NO_WAITPID
-    (void) waitpid (pid, (int *) NULL, 0);
-#else
-    {
-      pid_t dead;
-      do
-	dead = wait ((int *) NULL);
-      while (dead > 0 && dead != pid);
-    }
-#endif
-    __set_errno (save);
-    return NULL;
-  }
-}
-
-/* Close a stream opened by popen and return its status.
-   Returns -1 if the stream was not opened by popen.  */
-int
-pclose (stream)
-     register FILE *stream;
-{
-  struct child *c;
-  pid_t pid, dead;
-  int status;
-
-  if (!__validfp (stream) || !stream->__ispipe)
-    {
-      __set_errno (EINVAL);
-      return -1;
-    }
-
-  c = (struct child *) stream->__cookie;
-  pid = c->pid;
-  stream->__cookie = c->cookie;
-  stream->__io_funcs = c->funcs;
-  free ((void *) c);
-  stream->__ispipe = 0;
-  if (fclose (stream))
-    return -1;
-
-#ifndef	NO_WAITPID
-  dead = waitpid (pid, &status, 0);
-#else
-  do
-    dead = wait (&status);
-  while (dead > 0 && dead != pid);
-#endif
-  if (dead != pid)
-    status = -1;
-
-  return status;
-}
diff --git a/sysdeps/posix/stdio_init.c b/sysdeps/posix/stdio_init.c
deleted file mode 100644
index 99b4e80..0000000
--- a/sysdeps/posix/stdio_init.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/* Copyright (C) 1991, 1992, 1993, 1995, 1997 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.  */
-
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-/* Initialize STREAM as necessary.
-   This may change I/O functions, give a buffer, etc.
-   If no buffer is allocated, but the bufsize is set,
-   the bufsize will be used to allocate the buffer.  */
-void
-__stdio_init_stream (FILE *stream)
-{
-  const int fd = (int) stream->__cookie;
-  struct stat statb;
-
-  if (stream->__buffer != NULL || stream->__userbuf)
-    /* If's unbuffered by request, we can't do anything useful.  */
-    return;
-
-  /* Find out what sort of file this is.  */
-  if (__fstat (fd, &statb) < 0)
-      return;
-
-  if (S_ISCHR (statb.st_mode))
-    {
-      /* It's a character device.
-	 Make it line-buffered if it's a terminal.  */
-      if (__isatty (fd))
-	{
-	  stream->__linebuf = 1;
-
-	  /* Unix terminal devices have the bad habit of claiming to be
-	     seekable.  On systems I have tried, seeking on a terminal
-	     device seems to set its file position as specified, such that
-	     a later tell says the same thing.  This is in no way related
-	     to actual seekability--the ability to seek back and read old
-	     data.  Unix terminal devices will let you "seek back", and
-	     then read more new data from the terminal.  I can think of
-	     nothing to do about this lossage except to preemptively disable
-	     seeking on terminal devices.  */
-
-	  stream->__io_funcs.__seek = NULL; /* Seeks get ESPIPE.  */
-	}
-    }
-
-#ifdef	_STATBUF_ST_BLKSIZE
-  /* Use the block-size field to determine
-     the system's optimal buffering size.  */
-  stream->__bufsize = statb.st_blksize;
-#endif
-}
diff --git a/sysdeps/posix/vdprintf.c b/sysdeps/posix/vdprintf.c
deleted file mode 100644
index f28bfdf..0000000
--- a/sysdeps/posix/vdprintf.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/* Copyright (C) 1991, 1992, 1993, 1997 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.  */
-
-#include <errno.h>
-#include <limits.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <string.h>
-
-
-/* Write formatted output to file descriptor D according to the format string
-   FORMAT, using the argument list in ARG.  */
-int
-vdprintf (int d, const char *format, va_list arg)
-{
-  int done;
-  FILE f;
-
-  /* Create an unbuffered stream talking to D on the stack.  */
-  memset ((void *) &f, 0, sizeof(f));
-  f.__magic = _IOMAGIC;
-  f.__mode.__write = 1;
-  f.__cookie = (void *) (long int) d; /* Casting to long quiets GCC on Alpha.*/
-  f.__room_funcs = __default_room_functions;
-  f.__io_funcs = __default_io_functions;
-  f.__seen = 1;
-  f.__userbuf = 1;
-
-  /* vfprintf will use a buffer on the stack for the life of the call,
-     and flush it when finished.  */
-  done = vfprintf (&f, format, arg);
-
-  return done;
-}
diff --git a/sysdeps/unix/pipestream.c b/sysdeps/unix/pipestream.c
deleted file mode 100644
index 1d3308f..0000000
--- a/sysdeps/unix/pipestream.c
+++ /dev/null
@@ -1,2 +0,0 @@
-#define	NO_WAITPID
-#include <sysdeps/posix/pipestream.c>
diff --git a/sysdeps/unix/sysv/linux/configure.in b/sysdeps/unix/sysv/linux/configure.in
index d1d0d32..486b10d 100644
--- a/sysdeps/unix/sysv/linux/configure.in
+++ b/sysdeps/unix/sysv/linux/configure.in
@@ -2,9 +2,6 @@ sinclude(./aclocal.m4)dnl Autoconf lossage
 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 # Local configure fragment for sysdeps/unix/sysv/linux.
 
-# On Linux, the default is to use libio instead of stdio.
-test $stdio = default && stdio=libio
-
 # Don't bother trying to generate any glue code to be compatible with the
 # existing system library, because we are the only system library.
 inhibit_glue=yes
diff --git a/sysdeps/unix/sysv/sco3.2.4/pipestream.c b/sysdeps/unix/sysv/sco3.2.4/pipestream.c
deleted file mode 100644
index b768e62..0000000
--- a/sysdeps/unix/sysv/sco3.2.4/pipestream.c
+++ /dev/null
@@ -1,3 +0,0 @@
-/* SCO 3.2v4 does have `waitpid'.
-   Avoid unix/pipestream.c, which says we don't.  */
-#include <sysdeps/posix/pipestream.c>
diff --git a/sysdeps/unix/sysv/sysd-stdio.c b/sysdeps/unix/sysv/sysd-stdio.c
deleted file mode 100644
index 7f82340..0000000
--- a/sysdeps/unix/sysv/sysd-stdio.c
+++ /dev/null
@@ -1,2 +0,0 @@
-#define	EINTR_REPEAT
-#include <sysdeps/generic/sysd-stdio.c>
diff --git a/sysdeps/unix/sysv/sysv4/pipestream.c b/sysdeps/unix/sysv/sysv4/pipestream.c
deleted file mode 100644
index 6a32f95..0000000
--- a/sysdeps/unix/sysv/sysv4/pipestream.c
+++ /dev/null
@@ -1,2 +0,0 @@
-/* We deliberately avoid having NO_WAITPID set.  */
-#include <sysdeps/posix/pipestream.c>