diff --git a/ncurses/win32con/wcwidth.c b/ncurses/win32con/wcwidth.c
new file mode 100644
index 0000000..cdef64a
--- /dev/null
+++ b/ncurses/win32con/wcwidth.c
@@ -0,0 +1,50 @@
+/****************************************************************************
+ * Copyright (c) 2010 Free Software Foundation, Inc.                        *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+#include <curses.priv.h>
+
+MODULE_ID("$Id: wcwidth.c,v 1.2 2010/08/07 20:52:43 tom Exp $")
+
+#if USE_WIDEC_SUPPORT
+#define mk_wcwidth(ucs)          _nc_wcwidth(ucs)
+#define mk_wcswidth(pwcs, n)     _nc_wcswidth(pwcs, n)
+#define mk_wcwidth_cjk(ucs)      _nc_wcwidth_cjk(ucs)
+#define mk_wcswidth_cjk(pwcs, n) _nc_wcswidth_cjk(pwcs, n)
+
+extern int mk_wcwidth(wchar_t);
+extern int mk_wcswidth(const wchar_t *, size_t);
+extern int mk_wcwidth_cjk(wchar_t);
+extern int mk_wcswidth_cjk(const wchar_t *, size_t);
+
+#include <wcwidth.h>
+#else
+void _nc_empty_wcwidth(void);
+void
+_nc_empty_wcwidth(void)
+{
+}
+#endif