+// ----------------------------------------------------------------------------
+// $Id$
+// ----------------------------------------------------------------------------
+// Public Domain C Library - http://pdclib.sourceforge.net
+// This code is Public Domain. Use, modify, and redistribute at will.
+// ----------------------------------------------------------------------------
+// Definition of NULL shared by locale.h, stddef.h, stdio.h, stdlib.h,
+// string.h, wchar.h, and time.h
+// ----------------------------------------------------------------------------
+
+#ifndef __NULL_H
+#define __NULL_H __NULL_H
+
+#define NULL 0
+
+#endif // __NULL_H