/* Convert unibyte character to wide character.
- Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2008, 2010 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2008.
This program is free software: you can redistribute it and/or modify
#include <wchar.h>
#include <stdio.h>
+#include <stdlib.h>
wint_t
btowc (int c)