* include/stdio.h (__isoc99_fscanf, __isoc99_scanf,

	__isoc99_sscanf, __isoc99_vscanf): New prototypes.
	(__isoc99_vsscanf, __isoc99_vfscanf): New prototypes, add
	libc_hidden_proto.
	* include/wchar.h (__isoc99_fwscanf, __isoc99_wscanf,
	__isoc99_swscanf, __isoc99_vwscanf): New prototypes.
	(__isoc99_vswscanf, __isoc99_vfwscanf): New prototypes,
	add libc_hidden_proto.
	* libio/stdio.h (fscanf, scanf, sscanf, vfscanf, vscanf,
	vsscanf): Redirect to __isoc99_* if strict ISO C99 or POSIX
	conformance requested.
	* wcsmbs/wchar.h (fwscanf, wscanf, swscanf, vfwscanf, vwscanf,
	vswscanf): Redirect to __isoc99_* if strict ISO C99 or POSIX
	conformance requested.
	* libio/bits/stdio-ldbl.h (fscanf, scanf, sscanf, vfscanf, vscanf,
	vsscanf): Redirect to __nldbl___isoc99_* if strict ISO C99 or POSIX
	conformance requested.
	* wcsmbs/bits/wchar-ldbl.h (fwscanf, wscanf, swscanf, vfwscanf,
	vwscanf, vswscanf): Redirect to __nldbl___isoc99_* if strict
	ISO C99 or POSIX conformance requested.
	* stdio-common/Versions (libc): Export __isoc99_scanf@@GLIBC_2.7,
	__isoc99_vscanf@@GLIBC_2.7, __isoc99_fscanf@@GLIBC_2.7,
	__isoc99_vfscanf@@GLIBC_2.7, __isoc99_sscanf@@GLIBC_2.7
	and __isoc99_vsscanf@@GLIBC_2.7.
	* stdio-common/Makefile (routines): Add isoc99_scanf, isoc99_vscanf,
	isoc99_fscanf, isoc99_vfscanf, isoc99_sscanf and isoc99_vsscanf.
	(tests): Add scanf14.
	(CFLAGS-vfprintf.c, CFLAGS-fprintf.c, CFLAGS-printf.c,
	CFLAGS-vfwprintf.c, CFLAGS-vfscanf.c, CFLAGS-vfwscanf.c,
	CFLAGS-fscanf.c, CFLAGS-scanf.c, CFLAGS-isoc99_vfscanf.c,
	CFLAGS-isoc99_vscanf.c, CFLAGS-isoc99_fscanf.c,
	CFLAGS-isoc99_scanf.c): Add $(exceptions).
	(CFLAGS-scanf15.c): Add various -I paths to prevent the compiler
	from using internal headers.
	* wcsmbs/Versions (libc): Export __isoc99_wscanf@@GLIBC_2.7,
	__isoc99_vwscanf@@GLIBC_2.7, __isoc99_fwscanf@@GLIBC_2.7,
	__isoc99_vfwscanf@@GLIBC_2.7, __isoc99_swscanf@@GLIBC_2.7
	and __isoc99_vswscanf@@GLIBC_2.7.
	* wcsmbs/Makefile (routines): Add isoc99_wscanf, isoc99_vwscanf,
	isoc99_fwscanf, isoc99_vfwscanf, isoc99_swscanf and isoc99_vswscanf.
	(CFLAGS-isoc99_wscanf.c, CFLAGS-isoc99_fwscanf.c,
	CFLAGS-isoc99_vwscanf.c, CFLAGS-isoc99_vfwscanf.c): Add $(exceptions).
	(CPPFLAGS): Add -D_IO_MTSAFE_IO if needed.
	* stdio-common/isoc99_scanf.c: New file.
	* stdio-common/isoc99_vsscanf.c: New file.
	* stdio-common/isoc99_vscanf.c: New file.
	* stdio-common/isoc99_vfscanf.c: New file.
	* stdio-common/isoc99_fscanf.c: New file.
	* stdio-common/isoc99_sscanf.c: New file.
	* wcsmbs/isoc99_fwscanf.c: New file.
	* wcsmbs/isoc99_vswscanf.c: New file.
	* wcsmbs/isoc99_swscanf.c: New file.
	* wcsmbs/isoc99_wscanf.c: New file.
	* wcsmbs/isoc99_vwscanf.c: New file.
	* wcsmbs/isoc99_vfwscanf.c: New file.
	* libio/libio.h (_IO_FLAGS2_SCANF_STD): Define.
	* libio/libioP.h (_IO_acquire_lock_clear_flags2_fct): Also
	clear _IO_FLAGS2_SCANF_STD bit from _flags2.
	* stdio-common/vfscanf.c (_IO_vfscanf_internal): Don't
	handle %as, %aS and %a[ if _IO_FLAGS2_SCANF_STD is set in _flags2.
	* stdio-common/scanf14.c: New test.
	* stdio-common/scanf15.c: New test.
	* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add
	isoc99_scanf, isoc99_fscanf, isoc99_sscanf,
	isoc99_vscanf, isoc99_vfscanf, isoc99_vsscanf,
	isoc99_wscanf, isoc99_fwscanf, isoc99_swscanf,
	isoc99_vwscanf, isoc99_vfwscanf and isoc99_vswscanf.
	* sysdeps/ieee754/ldbl-opt/Versions (libc): Export
	__nldbl___isoc99_scanf@@GLIBC_2.7,
	__nldbl___isoc99_fscanf@@GLIBC_2.7,
	__nldbl___isoc99_sscanf@@GLIBC_2.7,
	__nldbl___isoc99_vscanf@@GLIBC_2.7,
	__nldbl___isoc99_vfscanf@@GLIBC_2.7,
	__nldbl___isoc99_vsscanf@@GLIBC_2.7,
	__nldbl___isoc99_wscanf@@GLIBC_2.7,
	__nldbl___isoc99_fwscanf@@GLIBC_2.7,
	__nldbl___isoc99_swscanf@@GLIBC_2.7,
	__nldbl___isoc99_vwscanf@@GLIBC_2.7,
	__nldbl___isoc99_vfwscanf@@GLIBC_2.7
	and __nldbl___isoc99_vswscanf@@GLIBC_2.7.
	* sysdeps/ieee754/ldbl-opt/nldbl-compat.h (__isoc99_scanf,
	__isoc99_fscanf, __isoc99_sscanf, __isoc99_vscanf,
	__isoc99_vfscanf, __isoc99_vsscanf, __isoc99_wscanf,
	__isoc99_fwscanf, __isoc99_swscanf, __isoc99_vwscanf,
	__isoc99_vfwscanf, __isoc99_vswscanf): Add NLDBL_DECL.
	* sysdeps/ieee754/ldbl-opt/nldbl-compat.c
	(__nldbl___isoc99_scanf, __nldbl___isoc99_fscanf,
	__nldbl___isoc99_sscanf, __nldbl___isoc99_vscanf,
	__nldbl___isoc99_vfscanf, __nldbl___isoc99_vsscanf,
	__nldbl___isoc99_wscanf, __nldbl___isoc99_fwscanf,
	__nldbl___isoc99_swscanf, __nldbl___isoc99_vwscanf,
	__nldbl___isoc99_vfwscanf, __nldbl___isoc99_vswscanf): New
	functions.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_vfscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_swscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_vwscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_wscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_scanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_sscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_vsscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_fwscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_vfwscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_vswscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_vscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_fscanf.c: New file.

	* stdio-common/Makefile (tests): Add scanf13.
	(scanf13-ENV): New.
	* stdio-common/vfscanf.c (_IO_vfscanf_internal): Handle
	m modifier followed by l.
	(STRING_ARG): Add width argument.
	(_IO_vfscanf_internal) <case L_('c')>: Handle %mc.
	<case L_('C')>: Handle %mlc and %mC.
	<case L_('s'), case L_('S'), case L_('[')>: Adjust STRING_ARG
	arguments.
	* stdio-common/scanf13.c: New test.

	* libio/libioP.h (_IO_acquire_lock_clear_flags2_fct): Clear
	the _IO_FLAGS2_FORTIFY bit from _flags2 rather than _flags.

	type and __THROW marker of splice, vmsplice, and tee.

10 files changed, 335 insertions, 4 deletions

diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile
index 7a289a8dc7..4afbc4cac4 100644
--- a/wcsmbs/Makefile
+++ b/wcsmbs/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1995-2000,2002,2003,2004,2005,2006
+# Copyright (C) 1995-2000,2002,2003,2004,2005,2006,2007
 #	Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
@@ -38,7 +38,9 @@ routines := wcscat wcschr wcscmp wcscpy wcscspn wcsdup wcslen wcsncat \
 	    wcwidth wcswidth \
 	    wcscoll_l wcsxfrm_l \
 	    wcscasecmp wcsncase wcscasecmp_l wcsncase_l \
-	    wcsmbsload mbsrtowcs_l
+	    wcsmbsload mbsrtowcs_l \
+	    isoc99_wscanf isoc99_vwscanf isoc99_fwscanf isoc99_vfwscanf \
+	    isoc99_swscanf isoc99_vswscanf
 
 tests := tst-wcstof wcsmbs-tst1 tst-wcsnlen tst-btowc tst-mbrtowc \
 	 tst-wcrtomb tst-wcpncpy tst-mbsrtowcs tst-wchar-h tst-mbrtowc2
@@ -65,6 +67,14 @@ CFLAGS-wcstold_l.c = $(strtox-CFLAGS)
 CFLAGS-wcstof_l.c = $(strtox-CFLAGS)
 CFLAGS-tst-wchar-h.c = -D_FORTIFY_SOURCE=2
 
+CFLAGS-isoc99_wscanf.c += $(exceptions)
+CFLAGS-isoc99_fwscanf.c += $(exceptions)
+CFLAGS-isoc99_vwscanf.c += $(exceptions)
+CFLAGS-isoc99_vfwscanf.c += $(exceptions)
+ifneq (,$(filter %REENTRANT, $(defines)))
+CPPFLAGS += -D_IO_MTSAFE_IO
+endif
+
 # We need to find the default version of strtold_l in stdlib.
 CPPFLAGS-wcstold_l.c = -I../stdlib
 
diff --git a/wcsmbs/Versions b/wcsmbs/Versions
index 6f2e72eb2a..b6dfa85a40 100644
--- a/wcsmbs/Versions
+++ b/wcsmbs/Versions
@@ -24,4 +24,8 @@ libc {
     # w*
     wcschrnul; wmempcpy;
   }
+  GLIBC_2.7 {
+    __isoc99_wscanf; __isoc99_vwscanf; __isoc99_fwscanf; __isoc99_vfwscanf;
+    __isoc99_swscanf; __isoc99_vswscanf;
+  }
 }
diff --git a/wcsmbs/bits/wchar-ldbl.h b/wcsmbs/bits/wchar-ldbl.h
index f398aecc65..80a6a684ab 100644
--- a/wcsmbs/bits/wchar-ldbl.h
+++ b/wcsmbs/bits/wchar-ldbl.h
@@ -21,7 +21,7 @@
 # error "Never include <bits/wchar-ldbl.h> directly; use <wchar.h> instead."
 #endif
 
-#if defined __USE_ISOC99 || defined __USE_UNIX98
+#if defined __USE_ISOC95 || defined __USE_UNIX98
 __BEGIN_NAMESPACE_C99
 __LDBL_REDIR_DECL (fwprintf);
 __LDBL_REDIR_DECL (wprintf);
@@ -29,18 +29,33 @@ __LDBL_REDIR_DECL (swprintf);
 __LDBL_REDIR_DECL (vfwprintf);
 __LDBL_REDIR_DECL (vwprintf);
 __LDBL_REDIR_DECL (vswprintf);
+# if defined __USE_ISOC99 && !defined __USE_GNU \
+     && !defined __REDIRECT \
+     && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K)
+__LDBL_REDIR1_DECL (fwscanf, __nldbl___isoc99_fwscanf)
+__LDBL_REDIR1_DECL (wscanf, __nldbl___isoc99_wscanf)  
+__LDBL_REDIR1_DECL (swscanf, __nldbl___isoc99_swscanf)
+# else
 __LDBL_REDIR_DECL (fwscanf);
 __LDBL_REDIR_DECL (wscanf);
 __LDBL_REDIR_DECL (swscanf);
+# endif
 __END_NAMESPACE_C99
 #endif
 
 #ifdef __USE_ISOC99
 __BEGIN_NAMESPACE_C99
 __LDBL_REDIR1_DECL (wcstold, wcstod);
+# if !defined __USE_GNU && !defined __REDIRECT \
+     && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K)
+__LDBL_REDIR1_DECL (vfwscanf, __nldbl___isoc99_vfwscanf)
+__LDBL_REDIR1_DECL (vwscanf, __nldbl___isoc99_vwscanf)  
+__LDBL_REDIR1_DECL (vswscanf, __nldbl___isoc99_vswscanf)
+# else
 __LDBL_REDIR_DECL (vfwscanf);
 __LDBL_REDIR_DECL (vwscanf);
 __LDBL_REDIR_DECL (vswscanf);
+# endif
 __END_NAMESPACE_C99
 #endif
 
diff --git a/wcsmbs/isoc99_fwscanf.c b/wcsmbs/isoc99_fwscanf.c
new file mode 100644
index 0000000000..ce12ad8f90
--- /dev/null
+++ b/wcsmbs/isoc99_fwscanf.c
@@ -0,0 +1,41 @@
+/* Copyright (C) 1991, 1997, 2006, 2007 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 <libioP.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <wchar.h>
+
+/* Read formatted input from STREAM according to the format string FORMAT.  */
+/* VARARGS2 */
+int
+__isoc99_fwscanf (FILE *stream, const wchar_t *format, ...)
+{
+  va_list arg;
+  int done;
+
+  _IO_acquire_lock_clear_flags2 (stream);
+  stream->_flags2 |= _IO_FLAGS2_SCANF_STD;
+
+  va_start (arg, format);
+  done = _IO_vfwscanf (stream, format, arg, NULL);
+  va_end (arg);
+
+  _IO_release_lock (stream);
+  return done;
+}
diff --git a/wcsmbs/isoc99_swscanf.c b/wcsmbs/isoc99_swscanf.c
new file mode 100644
index 0000000000..fed05eff35
--- /dev/null
+++ b/wcsmbs/isoc99_swscanf.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 1991, 1995, 1996, 1998, 2002, 2003, 2004, 2006, 2007
+   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 <stdarg.h>
+#include <stdio.h>
+#include <libioP.h>
+#include <wchar.h>
+
+/* Read formatted input from S, according to the format string FORMAT.  */
+/* VARARGS2 */
+int
+__isoc99_swscanf (const wchar_t *s, const wchar_t *format, ...)
+{
+  va_list arg;
+  int done;
+
+  va_start (arg, format);
+  done = __isoc99_vswscanf (s, format, arg);
+  va_end (arg);
+
+  return done;
+}
diff --git a/wcsmbs/isoc99_vfwscanf.c b/wcsmbs/isoc99_vfwscanf.c
new file mode 100644
index 0000000000..7564503e88
--- /dev/null
+++ b/wcsmbs/isoc99_vfwscanf.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 1991, 1997, 2006, 2007 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 <libioP.h>
+#include <stdio.h>
+#include <wchar.h>
+
+/* Read formatted input from STREAM according to the format string FORMAT.  */
+/* VARARGS2 */
+int
+__isoc99_vfwscanf (FILE *stream, const wchar_t *format, _IO_va_list args)
+{
+  int done;
+
+  _IO_acquire_lock_clear_flags2 (stream);
+  stream->_flags2 |= _IO_FLAGS2_SCANF_STD;
+  done = _IO_vfwscanf (stream, format, args, NULL);
+  _IO_release_lock (stream);
+  return done;
+}
+libc_hidden_def (__isoc99_vfwscanf)
diff --git a/wcsmbs/isoc99_vswscanf.c b/wcsmbs/isoc99_vswscanf.c
new file mode 100644
index 0000000000..4d7081e43d
--- /dev/null
+++ b/wcsmbs/isoc99_vswscanf.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 1993, 1997-2003, 2006, 2007 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.
+
+   As a special exception, if you link the code in this file with
+   files compiled with a GNU compiler to produce an executable,
+   that does not cause the resulting executable to be covered by
+   the GNU Lesser General Public License.  This exception does not
+   however invalidate any other reasons why the executable file
+   might be covered by the GNU Lesser General Public License.
+   This exception applies to code released by its copyright holders
+   in files containing the exception.  */
+
+#include <libioP.h>
+#include <wchar.h>
+#include "../libio/strfile.h"
+
+int
+__isoc99_vswscanf (const wchar_t *string, const wchar_t *format,
+		   _IO_va_list args)
+{
+  int ret;
+  _IO_strfile sf;
+  struct _IO_wide_data wd;
+#ifdef _IO_MTSAFE_IO
+  sf._sbf._f._lock = NULL;
+#endif
+  _IO_no_init (&sf._sbf._f, _IO_USER_LOCK, 0, &wd, &_IO_wstr_jumps);
+  _IO_fwide (&sf._sbf._f, 1);
+  _IO_wstr_init_static (&sf._sbf._f, (wchar_t *)string, 0, NULL);
+  sf._sbf._f._flags2 |= _IO_FLAGS2_SCANF_STD;
+  ret = _IO_vfwscanf ((_IO_FILE *) &sf._sbf, format, args, NULL);
+  return ret;
+}
+libc_hidden_def (__isoc99_vswscanf)
diff --git a/wcsmbs/isoc99_vwscanf.c b/wcsmbs/isoc99_vwscanf.c
new file mode 100644
index 0000000000..8a0b345f05
--- /dev/null
+++ b/wcsmbs/isoc99_vwscanf.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 1991, 1997, 2006, 2007 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 <libioP.h>
+#include <stdio.h>
+#include <wchar.h>
+
+/* Read formatted input from STDIN according to the format string FORMAT.  */
+/* VARARGS2 */
+int
+__isoc99_vwscanf (const wchar_t *format, _IO_va_list args)
+{
+  int done;
+
+  _IO_acquire_lock_clear_flags2 (stdin);
+  stdin->_flags2 |= _IO_FLAGS2_SCANF_STD;
+  done = _IO_vfwscanf (stdin, format, args, NULL);
+  _IO_release_lock (stdin);
+  return done;
+}
diff --git a/wcsmbs/isoc99_wscanf.c b/wcsmbs/isoc99_wscanf.c
new file mode 100644
index 0000000000..581e05fefb
--- /dev/null
+++ b/wcsmbs/isoc99_wscanf.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2002, 2004, 2006, 2007
+   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 <stdarg.h>
+#include <stdio.h>
+#include <libioP.h>
+#include <wchar.h>
+
+
+/* Read formatted input from stdin according to the format string FORMAT.  */
+/* VARARGS1 */
+int
+__isoc99_wscanf (const wchar_t *format, ...)
+{
+  va_list arg;
+  int done;
+
+  _IO_acquire_lock_clear_flags2 (stdin);
+  stdin->_flags2 |= _IO_FLAGS2_SCANF_STD;
+
+  va_start (arg, format);
+  done = _IO_vfwscanf (stdin, format, arg, NULL);
+  va_end (arg);
+
+  _IO_release_lock (stdin);
+  return done;
+}
diff --git a/wcsmbs/wchar.h b/wcsmbs/wchar.h
index 8deaddab97..e8448c86d9 100644
--- a/wcsmbs/wchar.h
+++ b/wcsmbs/wchar.h
@@ -587,12 +587,42 @@ extern int swscanf (__const wchar_t *__restrict __s,
 		    __const wchar_t *__restrict __format, ...)
      __THROW /* __attribute__ ((__format__ (__wscanf__, 2, 3))) */;
 
+# if defined __USE_ISOC99 && !defined __USE_GNU \
+     && (!defined __LDBL_COMPAT || !defined __REDIRECT) \
+     && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K)
+#  ifdef __REDIRECT
+/* For strict ISO C99 or POSIX compliance disallow %as, %aS and %a[
+   GNU extension which conflicts with valid %a followed by letter
+   s, S or [.  */
+extern int __REDIRECT (fwscanf, (__FILE *__restrict __stream,
+				 __const wchar_t *__restrict __format, ...),
+		       __isoc99_fwscanf)
+     /* __attribute__ ((__format__ (__wscanf__, 2, 3))) */;
+extern int __REDIRECT (wscanf, (__const wchar_t *__restrict __format, ...),
+		       __isoc99_wscanf)
+     /* __attribute__ ((__format__ (__wscanf__, 1, 2))) */;
+extern int __REDIRECT (swscanf, (__const wchar_t *__restrict __s,
+				 __const wchar_t *__restrict __format, ...),
+		       __isoc99_swscanf)
+     __THROW /* __attribute__ ((__format__ (__wscanf__, 2, 3))) */;
+#  else
+extern int __isoc99_fwscanf (__FILE *__restrict __stream,
+			     __const wchar_t *__restrict __format, ...);
+extern int __isoc99_wscanf (__const wchar_t *__restrict __format, ...);
+extern int __isoc99_swscanf (__const wchar_t *__restrict __s,
+			     __const wchar_t *__restrict __format, ...)
+     __THROW;
+#   define fwscanf __isoc99_fwscanf
+#   define wscanf __isoc99_wscanf
+#   define swscanf __isoc99_swscanf
+#  endif
+# endif
+
 __END_NAMESPACE_C99
 #endif /* Use ISO C95, C99 and Unix98. */
 
 #ifdef __USE_ISOC99
 __BEGIN_NAMESPACE_C99
-
 /* Read formatted input from S into argument list ARG.
 
    This function is a possible cancellation point and therefore not
@@ -614,6 +644,36 @@ extern int vswscanf (__const wchar_t *__restrict __s,
 		     __gnuc_va_list __arg)
      __THROW /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */;
 
+# if !defined __USE_GNU \
+     && (!defined __LDBL_COMPAT || !defined __REDIRECT) \
+     && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K)
+#  ifdef __REDIRECT
+extern int __REDIRECT (vfwscanf, (__FILE *__restrict __s,
+				  __const wchar_t *__restrict __format,
+				  __gnuc_va_list __arg), __isoc99_vfwscanf)
+     /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */;
+extern int __REDIRECT (vwscanf, (__const wchar_t *__restrict __format,
+				 __gnuc_va_list __arg), __isoc99_vwscanf)
+     /* __attribute__ ((__format__ (__wscanf__, 1, 0))) */;
+extern int __REDIRECT (vswscanf, (__const wchar_t *__restrict __s,
+				  __const wchar_t *__restrict __format,
+				  __gnuc_va_list __arg), __isoc99_vswscanf)
+     __THROW /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */;
+#  else
+extern int __isoc99_vfwscanf (__FILE *__restrict __s,
+			      __const wchar_t *__restrict __format,
+			      __gnuc_va_list __arg);
+extern int __isoc99_vwscanf (__const wchar_t *__restrict __format,
+			     __gnuc_va_list __arg);
+extern int __isoc99_vswscanf (__const wchar_t *__restrict __s,
+			      __const wchar_t *__restrict __format,
+			      __gnuc_va_list __arg) __THROW;
+#   define vfwscanf __isoc99_vfwscanf
+#   define vwscanf __isoc99_vwscanf
+#   define vswscanf __isoc99_vswscanf
+#  endif
+# endif
+
 __END_NAMESPACE_C99
 #endif /* Use ISO C99. */