Update.

* libio/Makefile (tests): Add tst-getwc and tst_putwc.
	(CFLAGS-tst_putwc.c): New definition.
	* libio/tst_getwc.c: New file.
	* libio/tst_getwc.input: New file.
	* libio/tst_putwc.c: New file.

libio/tst_getwc.c

@@ -0,0 +1,42 @@
+/* Simple test of getwc in the C locale.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <stdio.h>
+#include <wchar.h>
+
+
+int
+main (void)
+{
+  wchar_t buf[100];
+  size_t n = 0;
+
+  wmemset (buf, L'\0', sizeof (buf) / sizeof (buf[0]));
+  while (! feof (stdin) && n < sizeof (buf) - 1)
+    {
+      buf[n] = getwc (stdin);
+      if (buf[n] == WEOF)
+	break;
+      ++n;
+    }
+  buf[n] = L'\0';
+
+  return wcscmp (buf, L"This is a test of getwc\n") != 0;
+}