--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mingw-5.1.4/win32/include/sys/unistd.h	Fri Apr 03 17:16:45 2009 +0100
@@ -0,0 +1,6 @@
+/*
+ * This file is part of the Mingw32 package.
+ *
+ * unistd.h maps (roughly) to io.h
+ */
+#include <io.h>