Moved to csu/errno-loc.c.

62 files changed, 2705 insertions, 0 deletions

diff --git a/io/euidaccess.c b/io/euidaccess.c
new file mode 100644
index 0000000000..028fe9085c
--- /dev/null
+++ b/io/euidaccess.c
@@ -0,0 +1,40 @@
+/* Test for access to FILE using effective UID and GID.  Stub version.
+   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 <stddef.h>
+#include <unistd.h>
+
+int
+__euidaccess (file, type)
+     const char *file;
+     int type;
+{
+  if (file == NULL || (type & ~(R_OK|W_OK|X_OK|F_OK)) != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+weak_alias (__euidaccess, euidaccess)
+stub_warning (euidaccess)
+#include <stub-tag.h>
diff --git a/io/fchdir.c b/io/fchdir.c
new file mode 100644
index 0000000000..db1e4f8f35
--- /dev/null
+++ b/io/fchdir.c
@@ -0,0 +1,33 @@
+/* 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 <stddef.h>
+#include <unistd.h>
+
+/* Change the current directory to FD.  */
+int
+fchdir (fd)
+     int fd;
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+stub_warning (fchdir)
+#include <stub-tag.h>
diff --git a/io/fchmod.c b/io/fchmod.c
new file mode 100644
index 0000000000..4b5eacb3eb
--- /dev/null
+++ b/io/fchmod.c
@@ -0,0 +1,42 @@
+/* Copyright (C) 1991, 1992, 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 <stddef.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+/* Change the protections of the file FD refers to to MODE.  */
+int
+__fchmod (fd, mode)
+     int fd;
+     mode_t mode;
+{
+  if (fd < 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (fchmod)
+
+weak_alias (__fchmod, fchmod)
+#include <stub-tag.h>
diff --git a/io/fchown.c b/io/fchown.c
new file mode 100644
index 0000000000..e0d42dd293
--- /dev/null
+++ b/io/fchown.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 1991, 1992, 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 <stddef.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+/* Change the owner and group of the file referred to by FD.  */
+int
+__fchown (fd, owner, group)
+     int fd;
+     uid_t owner;
+     gid_t group;
+{
+  if (fd < 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (fchown)
+
+weak_alias (__fchown, fchown)
+#include <stub-tag.h>
diff --git a/io/fchownat.c b/io/fchownat.c
new file mode 100644
index 0000000000..f6921c9012
--- /dev/null
+++ b/io/fchownat.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 2005 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 <fcntl.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+/* Change the owner and group of FILE.  */
+int
+fchownat (fd, file, owner, group, flag)
+     int fd;
+     const char *file;
+     uid_t owner;
+     gid_t group;
+     int flag;
+{
+  if (file == NULL || (flag & ~AT_SYMLINK_NOFOLLOW) != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd < 0 && fd != AT_FDCWD)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (fchownat)
+
+#include <stub-tag.h>
diff --git a/io/fcntl.c b/io/fcntl.c
new file mode 100644
index 0000000000..db6fbc399c
--- /dev/null
+++ b/io/fcntl.c
@@ -0,0 +1,41 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2002 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 <fcntl.h>
+
+/* Perform file control operations on FD.  */
+int
+__fcntl (fd, cmd)
+     int fd;
+     int cmd;
+{
+  if (fd < 0)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+libc_hidden_def (__fcntl)
+stub_warning (fcntl)
+
+weak_alias (__fcntl, fcntl)
+#include <stub-tag.h>
diff --git a/io/flock.c b/io/flock.c
new file mode 100644
index 0000000000..db3bfcfcbe
--- /dev/null
+++ b/io/flock.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 1992, 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 <sys/file.h>
+
+/* Apply or remove an advisory lock, according to OPERATION,
+   on the file FD refers to.  */
+int
+__flock (fd, operation)
+     int fd;
+     int operation;
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+weak_alias (__flock, flock)
+
+stub_warning (flock)
+#include <stub-tag.h>
diff --git a/io/fstatfs.c b/io/fstatfs.c
new file mode 100644
index 0000000000..4a1a996cbc
--- /dev/null
+++ b/io/fstatfs.c
@@ -0,0 +1,34 @@
+/* Return information about the filesystem on which FD resides.
+   Copyright (C) 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 <sys/statfs.h>
+#include <stddef.h>
+
+/* Return information about the filesystem on which FD resides.  */
+int
+__fstatfs (int fd, struct statfs *buf)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (fstatfs)
+
+weak_alias (__fstatfs, fstatfs)
+#include <stub-tag.h>
diff --git a/io/fstatfs64.c b/io/fstatfs64.c
new file mode 100644
index 0000000000..249b97ea44
--- /dev/null
+++ b/io/fstatfs64.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 1998, 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 <sys/statfs.h>
+
+/* Return information about the filesystem on which FD resides.  */
+int
+__fstatfs64 (int fd, struct statfs64 *buf)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+weak_alias (__fstatfs64, fstatfs64)
+
+stub_warning (fstatfs64)
+#include <stub-tag.h>
diff --git a/io/fstatvfs.c b/io/fstatvfs.c
new file mode 100644
index 0000000000..c5f75a7c97
--- /dev/null
+++ b/io/fstatvfs.c
@@ -0,0 +1,33 @@
+/* Return information about the filesystem on which FD resides.
+   Copyright (C) 1996, 1997, 1998, 2002 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 <sys/statvfs.h>
+
+/* Return information about the filesystem on which FD resides.  */
+int
+__fstatvfs (int fd, struct statvfs *buf)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (fstatvfs)
+weak_alias (__fstatvfs, fstatvfs)
+libc_hidden_weak (fstatvfs)
+#include <stub-tag.h>
diff --git a/io/fstatvfs64.c b/io/fstatvfs64.c
new file mode 100644
index 0000000000..47d4e266e2
--- /dev/null
+++ b/io/fstatvfs64.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 1998, 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 <sys/statvfs.h>
+
+/* Return information about the filesystem on which FD resides.  */
+int
+__fstatvfs64 (int fd, struct statvfs64 *buf)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+weak_alias (__fstatvfs64, fstatvfs64)
+
+stub_warning (fstatvfs64)
+#include <stub-tag.h>
diff --git a/io/fxstat.c b/io/fxstat.c
new file mode 100644
index 0000000000..b750daca63
--- /dev/null
+++ b/io/fxstat.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2002 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 <sys/stat.h>
+
+/* Get information about the file descriptor FD in BUF.  */
+int
+__fxstat (int vers, int fd, struct stat *buf)
+{
+  if (vers != _STAT_VER)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd < 0)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+  else if (buf == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (fstat)
+hidden_def (__fxstat)
+weak_alias (__fxstat, _fxstat)
+#include <stub-tag.h>
diff --git a/io/fxstat64.c b/io/fxstat64.c
new file mode 100644
index 0000000000..865ba49484
--- /dev/null
+++ b/io/fxstat64.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2002 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 <sys/stat.h>
+
+/* Get information about the file descriptor FD in BUF.  */
+int
+__fxstat64 (int vers, int fd, struct stat64 *buf)
+{
+  if (vers != _STAT_VER)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd < 0)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+  else if (buf == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+hidden_def (__fxstat64)
+stub_warning (fstat64)
+#include <stub-tag.h>
diff --git a/io/fxstatat.c b/io/fxstatat.c
new file mode 100644
index 0000000000..62f7fe3efb
--- /dev/null
+++ b/io/fxstatat.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 2005 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 <fcntl.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+/* Get information about the file descriptor FD in BUF.  */
+int
+__fxstatat (int vers, int fd, const char *filename, struct stat *buf, int flag)
+{
+  if (vers != _STAT_VER)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd < 0 && fd != AT_FDCWD)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+  if (buf == NULL || (flag & ~AT_SYMLINK_NOFOLLOW) != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (fstatat)
+#include <stub-tag.h>
diff --git a/io/fxstatat64.c b/io/fxstatat64.c
new file mode 100644
index 0000000000..ba95b73e81
--- /dev/null
+++ b/io/fxstatat64.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 2005 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 <fcntl.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+/* Get information about the file descriptor FD in BUF.  */
+int
+__fxstatat64 (int vers, int fd, const char *filename, struct stat64 *buf,
+	      int flag)
+{
+  if (vers != _STAT_VER)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd < 0 && fd != AT_FDCWD)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+  if (buf == NULL || (flag & ~AT_SYMLINK_NOFOLLOW) != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (fstatat64)
+#include <stub-tag.h>
diff --git a/io/getcwd.c b/io/getcwd.c
new file mode 100644
index 0000000000..c472d1d7a6
--- /dev/null
+++ b/io/getcwd.c
@@ -0,0 +1,40 @@
+/* Copyright (C) 1991, 1992, 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 <unistd.h>
+#include <stddef.h>
+
+/* Get the pathname of the current working directory,
+   and put it in SIZE bytes of BUF.  Returns NULL if the
+   directory couldn't be determined or SIZE was too small.
+   If successful, returns BUF.  In GNU, if BUF is NULL,
+   an array is allocated with `malloc'; the array is SIZE
+   bytes long, unless SIZE <= 0, in which case it is as
+   big as necessary.  */
+char *
+__getcwd (char *buf, size_t size)
+{
+  __set_errno (ENOSYS);
+  return NULL;
+}
+weak_alias (__getcwd, getcwd)
+
+stub_warning (__getcwd)
+stub_warning (getcwd)
+#include <stub-tag.h>
diff --git a/io/isatty.c b/io/isatty.c
new file mode 100644
index 0000000000..9b0410c614
--- /dev/null
+++ b/io/isatty.c
@@ -0,0 +1,34 @@
+/* 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 <unistd.h>
+
+/* Return 1 if FD is a terminal, 0 if not.  */
+int
+__isatty (fd)
+     int fd;
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+weak_alias (__isatty, isatty)
+
+stub_warning (isatty)
+#include <stub-tag.h>
diff --git a/io/lchmod.c b/io/lchmod.c
new file mode 100644
index 0000000000..524b24c1ed
--- /dev/null
+++ b/io/lchmod.c
@@ -0,0 +1,33 @@
+/* lchmod -- Change the protections of a file or symbolic link.  Stub version.
+   Copyright (C) 2002 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 <sys/stat.h>
+#include <sys/types.h>
+
+/* Change the protections of FILE to MODE.  */
+int
+lchmod (const char *file, mode_t mode)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+stub_warning (lchmod)
+#include <stub-tag.h>
diff --git a/io/lchown.c b/io/lchown.c
new file mode 100644
index 0000000000..4e0330e526
--- /dev/null
+++ b/io/lchown.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 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 <stddef.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+/* Change the owner and group of FILE.  */
+int
+__lchown (file, owner, group)
+     const char *file;
+     uid_t owner;
+     gid_t group;
+{
+  if (file == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (lchown)
+
+weak_alias (__lchown, lchown)
+#include <stub-tag.h>
diff --git a/io/link.c b/io/link.c
new file mode 100644
index 0000000000..70c9949704
--- /dev/null
+++ b/io/link.c
@@ -0,0 +1,42 @@
+/* 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 <stddef.h>
+#include <unistd.h>
+
+
+/* Make a link to FROM called TO.  */
+int
+__link (from, to)
+     const char *from;
+     const char *to;
+{
+  if (from == NULL || to == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (link)
+
+weak_alias (__link, link)
+#include <stub-tag.h>
diff --git a/io/lockf.c b/io/lockf.c
new file mode 100644
index 0000000000..7b23f66bc9
--- /dev/null
+++ b/io/lockf.c
@@ -0,0 +1,74 @@
+/* Copyright (C) 1994,1996,1997,1998,2000,2003 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 <sys/types.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+
+/* lockf is a simplified interface to fcntl's locking facilities.  */
+
+int
+lockf (int fd, int cmd, off_t len)
+{
+  struct flock fl;
+
+  memset ((char *) &fl, '\0', sizeof (fl));
+
+  /* lockf is always relative to the current file position.  */
+  fl.l_whence = SEEK_CUR;
+  fl.l_start = 0;
+  fl.l_len = len;
+
+  switch (cmd)
+    {
+    case F_TEST:
+      /* Test the lock: return 0 if FD is unlocked or locked by this process;
+	 return -1, set errno to EACCES, if another process holds the lock.  */
+      fl.l_type = F_RDLCK;
+      if (__fcntl (fd, F_GETLK, &fl) < 0)
+	return -1;
+      if (fl.l_type == F_UNLCK || fl.l_pid == __getpid ())
+	return 0;
+      __set_errno (EACCES);
+      return -1;
+
+    case F_ULOCK:
+      fl.l_type = F_UNLCK;
+      cmd = F_SETLK;
+      break;
+    case F_LOCK:
+      fl.l_type = F_WRLCK;
+      cmd = F_SETLKW;
+      break;
+    case F_TLOCK:
+      fl.l_type = F_WRLCK;
+      cmd = F_SETLK;
+      break;
+
+    default:
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  /* lockf() is a cancellation point but so is fcntl() if F_SETLKW is
+     used.  Therefore we don't have to care about cancellation here,
+     the fcntl() function will take care of it.  */
+  return __fcntl (fd, cmd, &fl);
+}
diff --git a/io/lockf64.c b/io/lockf64.c
new file mode 100644
index 0000000000..e3b110cd3f
--- /dev/null
+++ b/io/lockf64.c
@@ -0,0 +1,79 @@
+/* Copyright (C) 1994,96,97,98,99,2000 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 <sys/types.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+
+/* lockf is a simplified interface to fcntl's locking facilities.  */
+
+int
+lockf64 (int fd, int cmd, off64_t len64)
+{
+  struct flock fl;
+  off_t len = (off_t) len64;
+
+  if (len64 != (off64_t) len)
+    {
+      /* We can't represent the length.  */
+      __set_errno (EOVERFLOW);
+      return -1;
+    }
+
+  memset ((char *) &fl, '\0', sizeof (fl));
+
+  /* lockf is always relative to the current file position.  */
+  fl.l_whence = SEEK_CUR;
+  fl.l_start = 0;
+  fl.l_len = len;
+
+  switch (cmd)
+    {
+    case F_TEST:
+      /* Test the lock: return 0 if FD is unlocked or locked by this process;
+	 return -1, set errno to EACCES, if another process holds the lock.  */
+      fl.l_type = F_RDLCK;
+      if (__fcntl (fd, F_GETLK, &fl) < 0)
+	return -1;
+      if (fl.l_type == F_UNLCK || fl.l_pid == __getpid ())
+	return 0;
+      __set_errno (EACCES);
+      return -1;
+
+    case F_ULOCK:
+      fl.l_type = F_UNLCK;
+      cmd = F_SETLK;
+      break;
+    case F_LOCK:
+      fl.l_type = F_WRLCK;
+      cmd = F_SETLKW;
+      break;
+    case F_TLOCK:
+      fl.l_type = F_WRLCK;
+      cmd = F_SETLK;
+      break;
+
+    default:
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  return __fcntl (fd, cmd, &fl);
+}
diff --git a/io/lseek64.c b/io/lseek64.c
new file mode 100644
index 0000000000..d0a8cff03e
--- /dev/null
+++ b/io/lseek64.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 1991,95,96,97,98,2000 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 <unistd.h>
+#include <sys/types.h>
+
+/* Seek to OFFSET on FD, starting from WHENCE.  */
+off64_t
+__libc_lseek64 (int fd, off64_t offset, int whence)
+{
+  if (fd < 0)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+  switch (whence)
+    {
+    case SEEK_SET:
+    case SEEK_CUR:
+    case SEEK_END:
+      break;
+    default:
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+weak_alias (__libc_lseek64, __lseek64)
+weak_alias (__libc_lseek64, lseek64)
+stub_warning (lseek64)
+#include <stub-tag.h>
diff --git a/io/lxstat.c b/io/lxstat.c
new file mode 100644
index 0000000000..23d4442b5c
--- /dev/null
+++ b/io/lxstat.c
@@ -0,0 +1,27 @@
+/* Copyright (C) 1991,1992,1995,1996,1997,2002 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 <sys/stat.h>
+
+int
+__lxstat (int version, const char *file, struct stat *buf)
+{
+  return __xstat (version, file, buf);
+}
+hidden_def (__lxstat)
+weak_alias (__lxstat, _lxstat)
diff --git a/io/lxstat64.c b/io/lxstat64.c
new file mode 100644
index 0000000000..596ecd2277
--- /dev/null
+++ b/io/lxstat64.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2002 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 <sys/stat.h>
+
+/* Get file information about FILE in BUF.
+   If FILE is a symbolic link, do not follow it.  */
+int
+__lxstat64 (int vers, const char *file, struct stat64 *buf)
+{
+  if (vers != _STAT_VER || file == NULL || buf == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+hidden_def (__lxstat64)
+stub_warning (__lxstat64)
+#include <stub-tag.h>
diff --git a/io/mkdir.c b/io/mkdir.c
new file mode 100644
index 0000000000..8037dfb3ee
--- /dev/null
+++ b/io/mkdir.c
@@ -0,0 +1,43 @@
+/* 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 <stddef.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+
+/* Create a directory named PATH with protections MODE.  */
+int
+__mkdir (path, mode)
+     const char *path;
+     mode_t mode;
+{
+  if (path == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (mkdir)
+
+weak_alias (__mkdir, mkdir)
+#include <stub-tag.h>
diff --git a/io/mkdirat.c b/io/mkdirat.c
new file mode 100644
index 0000000000..ccea3aa8d8
--- /dev/null
+++ b/io/mkdirat.c
@@ -0,0 +1,58 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2005 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 <fcntl.h>
+#include <stddef.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+
+/* Create a directory named PATH relative to FD with protections MODE.  */
+int
+mkdirat (fd, path, mode)
+     int fd;
+     const char *path;
+     mode_t mode;
+{
+  if (path == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd != AT_FDCWD && path[0] != '/')
+    {
+      /* Check FD is associated with a directory.  */
+      struct stat64 st;
+      if (__fxstat64 (_STAT_VER, fd, &st) != 0)
+	return -1;
+
+      if (!S_ISDIR (st.st_mode))
+	{
+	  __set_errno (ENOTDIR);
+	  return -1;
+	}
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (mkdirat)
+
+#include <stub-tag.h>
diff --git a/io/mkfifo.c b/io/mkfifo.c
new file mode 100644
index 0000000000..614ebe97c3
--- /dev/null
+++ b/io/mkfifo.c
@@ -0,0 +1,43 @@
+/* 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 <stddef.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+
+/* Create a named pipe (FIFO) named PATH with protections MODE.  */
+int
+mkfifo (path, mode)
+     const char *path;
+     mode_t mode;
+{
+  if (path == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+
+stub_warning (mkfifo)
+#include <stub-tag.h>
diff --git a/io/mkfifoat.c b/io/mkfifoat.c
new file mode 100644
index 0000000000..48c38c8182
--- /dev/null
+++ b/io/mkfifoat.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2005 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 <fcntl.h>
+#include <stddef.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+
+/* Create a named pipe (FIFO) named PATH relative to FD with
+   protections MODE.  */
+int
+mkfifoat (fd, path, mode)
+     int fd;
+     const char *path;
+     mode_t mode;
+{
+  if (path == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd != AT_FDCWD && path[0] != '/')
+    {
+      /* Check FD is associated with a directory.  */
+      struct stat64 st;
+      if (__fxstat64 (_STAT_VER, fd, &st) != 0)
+	return -1;
+
+      if (!S_ISDIR (st.st_mode))
+	{
+	  __set_errno (ENOTDIR);
+	  return -1;
+	}
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+
+stub_warning (mkfifoat)
+#include <stub-tag.h>
diff --git a/io/mknod.c b/io/mknod.c
new file mode 100644
index 0000000000..7d43593a25
--- /dev/null
+++ b/io/mknod.c
@@ -0,0 +1,62 @@
+/* Copyright (C) 1995, 1996, 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.
+
+   In addition to the permissions in the GNU Lesser General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file. (The GNU Lesser General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so. The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
+
+   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 <sys/types.h>
+#include <sys/stat.h>
+
+/* This definition is only used if inlining fails for this function; see
+   the last page of <sys/stat.h>.  The real work is done by the `x'
+   function which is passed a version number argument.  We arrange in the
+   makefile that when not inlined this function is always statically
+   linked; that way a dynamically-linked executable always encodes the
+   version number corresponding to the data structures it uses, so the `x'
+   functions in the shared library can adapt without needing to recompile
+   all callers.  */
+
+int
+__mknod (const char *path, mode_t mode, dev_t dev)
+{
+  return __xmknod (_MKNOD_VER, path, mode, &dev);
+}
+
+weak_alias (__mknod, mknod)
+
+/* Hide the symbol so that no definition but the one locally in the
+   executable or DSO is used.  */
+#ifdef HAVE_DOT_HIDDEN
+asm (".hidden\tmknod");
+asm (".hidden\t__mknod");
+#endif
diff --git a/io/mknodat.c b/io/mknodat.c
new file mode 100644
index 0000000000..ac515b5b48
--- /dev/null
+++ b/io/mknodat.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 1995, 1996, 2001, 2005 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.
+
+   In addition to the permissions in the GNU Lesser General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file. (The GNU Lesser General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so. The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
+
+   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 <sys/types.h>
+#include <sys/stat.h>
+
+/* This definition is only used if inlining fails for this function; see
+   the last page of <sys/stat.h>.  The real work is done by the `x'
+   function which is passed a version number argument.  We arrange in the
+   makefile that when not inlined this function is always statically
+   linked; that way a dynamically-linked executable always encodes the
+   version number corresponding to the data structures it uses, so the `x'
+   functions in the shared library can adapt without needing to recompile
+   all callers.  */
+
+int
+mknodat (int fd, const char *path, mode_t mode, dev_t dev)
+{
+  return __xmknodat (_MKNOD_VER, fd, path, mode, &dev);
+}
+
+
+/* Hide the symbol so that no definition but the one locally in the
+   executable or DSO is used.  */
+#ifdef HAVE_DOT_HIDDEN
+asm (".hidden\tmknodat");
+#endif
diff --git a/io/open.c b/io/open.c
new file mode 100644
index 0000000000..188110b3f3
--- /dev/null
+++ b/io/open.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2002 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 <fcntl.h>
+#include <stdarg.h>
+#include <stddef.h>
+
+/* Open FILE with access OFLAG.  If OFLAG includes O_CREAT,
+   a third argument is the file protection.  */
+int
+__open (file, oflag)
+     const char *file;
+     int oflag;
+{
+  int mode;
+
+  if (file == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (oflag & O_CREAT)
+    {
+      va_list arg;
+      va_start(arg, oflag);
+      mode = va_arg(arg, int);
+      va_end(arg);
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+libc_hidden_def (__open)
+stub_warning (open)
+
+weak_alias (__open, open)
+#include <stub-tag.h>
diff --git a/io/open64.c b/io/open64.c
new file mode 100644
index 0000000000..d9a38112ac
--- /dev/null
+++ b/io/open64.c
@@ -0,0 +1,57 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 1999, 2000, 2002
+   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 <fcntl.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <bp-sym.h>
+
+/* Open FILE with access OFLAG.  If OFLAG includes O_CREAT,
+   a third argument is the file protection.  */
+int
+__libc_open64 (file, oflag)
+     const char *file;
+     int oflag;
+{
+  int mode;
+
+  if (file == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (oflag & O_CREAT)
+    {
+      va_list arg;
+      va_start (arg, oflag);
+      mode = va_arg (arg, int);
+      va_end (arg);
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+strong_alias (__libc_open64, __open64)
+libc_hidden_def (__open64)
+weak_alias (__libc_open64, BP_SYM (open64))
+
+stub_warning (open64)
+#include <stub-tag.h>
diff --git a/io/openat.c b/io/openat.c
new file mode 100644
index 0000000000..f3f699ca23
--- /dev/null
+++ b/io/openat.c
@@ -0,0 +1,69 @@
+/* Copyright (C) 2005 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 <fcntl.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+/* Open FILE with access OFLAG.  Interpret relative paths relative to
+   the directory associated with FD.  If OFLAG includes O_CREAT, a
+   third argument is the file protection.  */
+int
+openat (fd, file, oflag)
+     int fd;
+     const char *file;
+     int oflag;
+{
+  int mode;
+
+  if (file == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      /* Check FD is associated with a directory.  */
+      struct stat64 st;
+      if (__fxstat64 (_STAT_VER, fd, &st) != 0)
+	return -1;
+
+      if (!S_ISDIR (st.st_mode))
+	{
+	  __set_errno (ENOTDIR);
+	  return -1;
+	}
+    }
+
+  if (oflag & O_CREAT)
+    {
+      va_list arg;
+      va_start (arg, oflag);
+      mode = va_arg (arg, int);
+      va_end (arg);
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (openat)
+
+#include <stub-tag.h>
diff --git a/io/openat64.c b/io/openat64.c
new file mode 100644
index 0000000000..87952d38d6
--- /dev/null
+++ b/io/openat64.c
@@ -0,0 +1,69 @@
+/* Copyright (C) 2005 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 <fcntl.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+/* Open FILE with access OFLAG.  Interpret relative paths relative to
+   the directory associated with FD.  If OFLAG includes O_CREAT, a
+   third argument is the file protection.  */
+int
+openat64 (fd, file, oflag)
+     int fd;
+     const char *file;
+     int oflag;
+{
+  int mode;
+
+  if (file == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      /* Check FD is associated with a directory.  */
+      struct stat64 st;
+      if (__fxstat64 (_STAT_VER, fd, &st) != 0)
+	return -1;
+
+      if (!S_ISDIR (st.st_mode))
+	{
+	  __set_errno (ENOTDIR);
+	  return -1;
+	}
+    }
+
+  if (oflag & O_CREAT)
+    {
+      va_list arg;
+      va_start (arg, oflag);
+      mode = va_arg (arg, int);
+      va_end (arg);
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (openat64)
+
+#include <stub-tag.h>
diff --git a/io/pipe.c b/io/pipe.c
new file mode 100644
index 0000000000..babaf9c24b
--- /dev/null
+++ b/io/pipe.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 1991, 1995, 1996, 2002 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 <unistd.h>
+#include <stddef.h>
+
+/* Create a one-way communication channel (__pipe).
+   If successful, two file descriptors are stored in PIPEDES;
+   bytes written on PIPEDES[1] can be read from PIPEDES[0].
+   Returns 0 if successful, -1 if not.  */
+int
+__pipe (__pipedes)
+     int __pipedes[2];
+{
+  if (__pipedes == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+libc_hidden_def (__pipe)
+stub_warning (pipe)
+
+weak_alias (__pipe, pipe)
+#include <stub-tag.h>
diff --git a/io/poll.c b/io/poll.c
new file mode 100644
index 0000000000..9f2f191764
--- /dev/null
+++ b/io/poll.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 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 <sys/poll.h>
+#include <errno.h>
+
+/* Poll the file descriptors described by the NFDS structures starting at
+   FDS.  If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for
+   an event to occur; if TIMEOUT is -1, block until an event occurs.
+   Returns the number of file descriptors with events, zero if timed out,
+   or -1 for errors.  */
+
+int
+poll (fds, nfds, timeout)
+     struct pollfd *fds;
+     nfds_t nfds;
+     int timeout;
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+stub_warning (poll)
+#include <stub-tag.h>
diff --git a/io/posix_fadvise.c b/io/posix_fadvise.c
new file mode 100644
index 0000000000..92f8bb8974
--- /dev/null
+++ b/io/posix_fadvise.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2000, 2003 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 <fcntl.h>
+
+/* Advice the system about the expected behaviour of the application with
+   respect to the file associated with FD.  */
+
+int
+posix_fadvise (int fd, __off_t offset, __off_t len, int advise)
+{
+  return ENOSYS;
+}
+stub_warning (posix_fadvise)
+#include <stub-tag.h>
diff --git a/io/posix_fadvise64.c b/io/posix_fadvise64.c
new file mode 100644
index 0000000000..e7eae5e6e3
--- /dev/null
+++ b/io/posix_fadvise64.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2000, 2003 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 <fcntl.h>
+
+/* Advice the system about the expected behaviour of the application with
+   respect to the file associated with FD.  */
+
+int
+posix_fadvise64 (int fd, __off64_t offset, __off64_t len, int advise)
+{
+  return ENOSYS;
+}
+stub_warning (posix_fadvise64)
+#include <stub-tag.h>
diff --git a/io/posix_fallocate.c b/io/posix_fallocate.c
new file mode 100644
index 0000000000..218b4adbe3
--- /dev/null
+++ b/io/posix_fallocate.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2000, 2003 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 <fcntl.h>
+
+/* Reserve storage for the data of the file associated with FD.  */
+
+int
+posix_fallocate (int fd, __off_t offset, __off_t len)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (posix_fallocate)
+#include <stub-tag.h>
diff --git a/io/posix_fallocate64.c b/io/posix_fallocate64.c
new file mode 100644
index 0000000000..80c1cd385d
--- /dev/null
+++ b/io/posix_fallocate64.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2000, 2003 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 <fcntl.h>
+
+/* Reserve storage for the data of the file associated with FD.  */
+
+int
+posix_fallocate64 (int fd, __off64_t offset, __off64_t len)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (posix_fallocate64)
+#include <stub-tag.h>
diff --git a/io/read.c b/io/read.c
new file mode 100644
index 0000000000..3943edd689
--- /dev/null
+++ b/io/read.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2002 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 <unistd.h>
+#include <stddef.h>
+
+/* Read NBYTES into BUF from FD.  Return the number read or -1.  */
+ssize_t
+__libc_read (int fd, void *buf, size_t nbytes)
+{
+  if (nbytes == 0)
+    return 0;
+  if (fd < 0)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+  if (buf == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+libc_hidden_def (__libc_read)
+stub_warning (read)
+
+weak_alias (__libc_read, __read)
+libc_hidden_weak (__read)
+weak_alias (__libc_read, read)
+#include <stub-tag.h>
diff --git a/io/readlink.c b/io/readlink.c
new file mode 100644
index 0000000000..779b809eaa
--- /dev/null
+++ b/io/readlink.c
@@ -0,0 +1,37 @@
+/* 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 <unistd.h>
+
+/* Read the contents of the symbolic link PATH into no more than
+   LEN bytes of BUF.  The contents are not null-terminated.
+   Returns the number of characters read, or -1 for errors.  */
+int
+__readlink (path, buf, len)
+     const char *path;
+     char *buf;
+     size_t len;
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (readlink)
+
+weak_alias (__readlink, readlink)
+#include <stub-tag.h>
diff --git a/io/rmdir.c b/io/rmdir.c
new file mode 100644
index 0000000000..5a16fd4284
--- /dev/null
+++ b/io/rmdir.c
@@ -0,0 +1,41 @@
+/* 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 <stddef.h>
+#include <unistd.h>
+
+
+/* Remove the directory PATH.  */
+int
+__rmdir (path)
+     const char *path;
+{
+  if (path == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (rmdir)
+
+weak_alias (__rmdir, rmdir)
+#include <stub-tag.h>
diff --git a/io/sendfile.c b/io/sendfile.c
new file mode 100644
index 0000000000..98dc9a814d
--- /dev/null
+++ b/io/sendfile.c
@@ -0,0 +1,33 @@
+/* sendfile -- copy data directly from one file descriptor to another
+   Copyright (C) 2002 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 <sys/sendfile.h>
+#include <errno.h>
+
+/* Send COUNT bytes from file associated with IN_FD starting at OFFSET to
+   descriptor OUT_FD.  */
+ssize_t
+sendfile (int out_fd, int in_fd, off_t *offset, size_t count)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (sendfile)
+
+#include <stub-tag.h>
diff --git a/io/sendfile64.c b/io/sendfile64.c
new file mode 100644
index 0000000000..76b961e22a
--- /dev/null
+++ b/io/sendfile64.c
@@ -0,0 +1,33 @@
+/* sendfile -- copy data directly from one file descriptor to another
+   Copyright (C) 2002 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 <sys/sendfile.h>
+#include <errno.h>
+
+/* Send COUNT bytes from file associated with IN_FD starting at OFFSET to
+   descriptor OUT_FD.  */
+ssize_t
+sendfile64 (int out_fd, int in_fd, off64_t *offset, size_t count)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (sendfile64)
+
+#include <stub-tag.h>
diff --git a/io/statfs.c b/io/statfs.c
new file mode 100644
index 0000000000..af4a9ea4e5
--- /dev/null
+++ b/io/statfs.c
@@ -0,0 +1,35 @@
+/* statfs -- Return information about the filesystem on which FILE resides.
+   Copyright (C) 1996, 1997, 2002 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 <sys/statfs.h>
+#include <stddef.h>
+
+/* Return information about the filesystem on which FILE resides.  */
+int
+__statfs (const char *file, struct statfs *buf)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+libc_hidden_def (__statfs)
+weak_alias (__statfs, statfs)
+
+stub_warning (statfs)
+#include <stub-tag.h>
diff --git a/io/statfs64.c b/io/statfs64.c
new file mode 100644
index 0000000000..cf1a7d82a4
--- /dev/null
+++ b/io/statfs64.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 1998, 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 <sys/statfs.h>
+
+/* Return information about the filesystem on which FILE resides.  */
+int
+__statfs64 (const char *file, struct statfs64 *buf)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+weak_alias (__statfs64, statfs64)
+
+stub_warning (statfs64)
+#include <stub-tag.h>
diff --git a/io/statvfs.c b/io/statvfs.c
new file mode 100644
index 0000000000..22e24cfeeb
--- /dev/null
+++ b/io/statvfs.c
@@ -0,0 +1,34 @@
+/* Return information about the filesystem on which FILE resides.
+   Copyright (C) 1998, 2002 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 <sys/statvfs.h>
+#include <stddef.h>
+
+/* Return information about the filesystem on which FILE resides.  */
+int
+__statvfs (const char *file, struct statvfs *buf)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+weak_alias (__statvfs, statvfs)
+libc_hidden_weak (statvfs)
+stub_warning (statvfs)
+#include <stub-tag.h>
diff --git a/io/statvfs64.c b/io/statvfs64.c
new file mode 100644
index 0000000000..4424abdbea
--- /dev/null
+++ b/io/statvfs64.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 1998, 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 <sys/statvfs.h>
+
+/* Return information about the filesystem on which FILE resides.  */
+int
+__statvfs64 (const char *file, struct statvfs64 *buf)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+weak_alias (__statvfs64, statvfs64)
+
+stub_warning (statvfs64)
+#include <stub-tag.h>
diff --git a/io/symlink.c b/io/symlink.c
new file mode 100644
index 0000000000..e6c6709f1a
--- /dev/null
+++ b/io/symlink.c
@@ -0,0 +1,42 @@
+/* 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 <stddef.h>
+#include <unistd.h>
+
+
+/* Make a link to FROM called TO.  */
+int
+__symlink (from, to)
+     const char *from;
+     const char *to;
+{
+  if (from == NULL || to == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (symlink)
+
+weak_alias (__symlink, symlink)
+#include <stub-tag.h>
diff --git a/io/ttyname.c b/io/ttyname.c
new file mode 100644
index 0000000000..088ba918a8
--- /dev/null
+++ b/io/ttyname.c
@@ -0,0 +1,38 @@
+/* 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 <stddef.h>
+#include <unistd.h>
+
+
+char *__ttyname = NULL;
+
+/* Return the pathname of the terminal FD is open on, or NULL on errors.
+   The returned storage is good only until the next call to this function.  */
+char *
+ttyname (fd)
+     int fd;
+{
+  __set_errno (ENOSYS);
+  return NULL;
+}
+
+
+stub_warning (ttyname)
+#include <stub-tag.h>
diff --git a/io/ttyname_r.c b/io/ttyname_r.c
new file mode 100644
index 0000000000..14c1209096
--- /dev/null
+++ b/io/ttyname_r.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 1991, 1995, 1996, 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 <errno.h>
+#include <unistd.h>
+
+
+/* Store at most BUFLEN characters the pathname of the terminal FD is
+   open on in BUF.  Return 0 on success,  otherwise an error number.  */
+int
+__ttyname_r (fd, buf, buflen)
+     int fd;
+     char *buf;
+     size_t buflen;
+{
+  __set_errno (ENOSYS);
+  return ENOSYS;
+}
+weak_alias (__ttyname_r, ttyname_r)
+
+stub_warning (ttyname_r)
+#include <stub-tag.h>
diff --git a/io/umask.c b/io/umask.c
new file mode 100644
index 0000000000..588d57e1ce
--- /dev/null
+++ b/io/umask.c
@@ -0,0 +1,34 @@
+/* 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 <sys/stat.h>
+#include <errno.h>
+#include <sys/types.h>
+
+/* Set the file creation mask to MASK, returning the old mask.  */
+mode_t
+__umask (mask)
+     mode_t mask;
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (umask)
+
+weak_alias (__umask, umask)
+#include <stub-tag.h>
diff --git a/io/unlink.c b/io/unlink.c
new file mode 100644
index 0000000000..1ec6d87ae1
--- /dev/null
+++ b/io/unlink.c
@@ -0,0 +1,41 @@
+/* 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 <stddef.h>
+#include <unistd.h>
+
+
+/* Remove the link named NAME.  */
+int
+__unlink (name)
+     const char *name;
+{
+  if (name == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (unlink)
+
+weak_alias (__unlink, unlink)
+#include <stub-tag.h>
diff --git a/io/unlinkat.c b/io/unlinkat.c
new file mode 100644
index 0000000000..f9a08b9903
--- /dev/null
+++ b/io/unlinkat.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 2005 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 <fcntl.h>
+#include <stddef.h>
+#include <unistd.h>
+
+
+/* Remove the link named NAME.  */
+int
+unlinkat (fd, name, flag)
+     int fd;
+     const char *name;
+     int flag;
+{
+  if (name == NULL || (flag & AT_REMOVEDIR) != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd < 0 && fd != AT_FDCWD)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (unlinkat)
+
+#include <stub-tag.h>
diff --git a/io/utime.c b/io/utime.c
new file mode 100644
index 0000000000..3a3bcc38cc
--- /dev/null
+++ b/io/utime.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 1991,95,96,97,2002 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 <utime.h>
+
+
+/* Set the access and modification times of FILE to those given in TIMES.
+   If TIMES is NULL, set them to the current time.  */
+int
+utime (file, times)
+     const char *file;
+     const struct utimbuf *times;
+{
+  if (file == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+libc_hidden_def (utime)
+
+stub_warning (utime)
+#include <stub-tag.h>
diff --git a/io/write.c b/io/write.c
new file mode 100644
index 0000000000..928d43ced2
--- /dev/null
+++ b/io/write.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2002 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 <sysdep.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stddef.h>
+
+/* Write NBYTES of BUF to FD.  Return the number written, or -1.  */
+ssize_t
+__libc_write (int fd, const void *buf, size_t nbytes)
+{
+  if (nbytes == 0)
+    return 0;
+  if (fd < 0)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+  if (buf == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+libc_hidden_def (__libc_write)
+stub_warning (write)
+
+weak_alias (__libc_write, __write)
+libc_hidden_weak (__write)
+weak_alias (__libc_write, write)
+#include <stub-tag.h>
diff --git a/io/xmknod.c b/io/xmknod.c
new file mode 100644
index 0000000000..c2daa46e07
--- /dev/null
+++ b/io/xmknod.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 1991,1993,1995-1997,2002,2005 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 <sys/types.h>
+#include <sys/stat.h>
+
+/* Create a device file named PATH, with permission and special bits MODE
+   and device number DEV (which can be constructed from major and minor
+   device numbers with the `makedev' macro above).  */
+int
+__xmknod (int vers, const char *path, mode_t mode, dev_t *dev)
+{
+  if (vers != _MKNOD_VER)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (path == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (__xmknod)
+
+weak_alias (__xmknod, _xmknod)
+libc_hidden_def (__xmknod)
+#include <stub-tag.h>
diff --git a/io/xmknodat.c b/io/xmknodat.c
new file mode 100644
index 0000000000..56d88c7b0f
--- /dev/null
+++ b/io/xmknodat.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 2005 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 <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+/* Create a device file named PATH relative to FD, with permission and
+   special bits MODE and device number DEV (which can be constructed
+   from major and minor device numbers with the `makedev' macro
+   above).  */
+int
+__xmknodat (int vers, int fd, const char *path, mode_t mode, dev_t *dev)
+{
+  if (vers != _MKNOD_VER)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (path == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd != AT_FDCWD && path[0] != '/')
+    {
+      /* Check FD is associated with a directory.  */
+      struct stat64 st;
+      if (__fxstat64 (_STAT_VER, fd, &st) != 0)
+	return -1;
+
+      if (!S_ISDIR (st.st_mode))
+	{
+	  __set_errno (ENOTDIR);
+	  return -1;
+	}
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (__xmknodat)
+
+libc_hidden_def (__xmknodat)
+#include <stub-tag.h>
diff --git a/io/xstat.c b/io/xstat.c
new file mode 100644
index 0000000000..e7328cc10e
--- /dev/null
+++ b/io/xstat.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2002 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 <sys/stat.h>
+#include <stddef.h>
+
+/* Get file information about FILE in BUF.  */
+int
+__xstat (int vers, const char *file, struct stat *buf)
+{
+  if (vers != _STAT_VER || file == NULL || buf == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+hidden_def (__xstat)
+stub_warning (stat)
+weak_alias (__xstat, _xstat)
+#include <stub-tag.h>
diff --git a/io/xstat64.c b/io/xstat64.c
new file mode 100644
index 0000000000..2fb94cf331
--- /dev/null
+++ b/io/xstat64.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2002 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 <sys/stat.h>
+#include <stddef.h>
+
+/* Get file information about FILE in BUF.  */
+int
+__xstat64 (int vers, const char *file, struct stat64 *buf)
+{
+  if (vers != _STAT_VER || file == NULL || buf == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+hidden_def (__xstat64)
+stub_warning (stat64)
+#include <stub-tag.h>