+/*
+ * Copyright (c) 1980 Regents of the University of California.
+ * All rights reserved. The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ *
+ * @(#)stdio.h 5.7 (Berkeley) %G%
+ */
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+#ifndef FILE