-/*
- * stddef.h
- *
- * Ullrich von Bassewitz, 06.06.1998
- *
- */
+/*****************************************************************************/
+/* */
+/* stddef.h */
+/* */
+/* Common definitions */
+/* */
+/* */
+/* */
+/* (C) 1998-2009, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
+/* */
+/* */
+/* This software is provided 'as-is', without any expressed or implied */
+/* warranty. In no event will the authors be held liable for any damages */
+/* arising from the use of this software. */
+/* */
+/* Permission is granted to anyone to use this software for any purpose, */
+/* including commercial applications, and to alter it and redistribute it */
+/* freely, subject to the following restrictions: */
+/* */
+/* 1. The origin of this software must not be misrepresented; you must not */
+/* claim that you wrote the original software. If you use this software */
+/* in a product, an acknowledgment in the product documentation would be */
+/* appreciated but is not required. */
+/* 2. Altered source versions must be plainly marked as such, and must not */
+/* be misrepresented as being the original software. */
+/* 3. This notice may not be removed or altered from any source */
+/* distribution. */
+/* */
+/*****************************************************************************/
/* Standard data types */
+#ifndef _HAVE_ptrdiff_t
+#define _HAVE_ptrdiff_t
typedef int ptrdiff_t;
+#endif
+#ifndef _HAVE_wchar_t
+#define _HAVE_wchar_t
+typedef char wchar_t;
+#endif
+#ifndef _HAVE_size_t
+#define _HAVE_size_t
typedef unsigned size_t;
+#endif
/* NULL pointer */
-#ifdef NULL
-# undef NULL
-#endif
+#ifndef _HAVE_NULL
#define NULL 0
+#define _HAVE_NULL
+#endif
/* offsetof macro */
#define offsetof(type, member) (size_t) (&((type*) 0)->member)