// Public Domain C Library - http://pdclib.sourceforge.net
// This code is Public Domain. Use, modify, and redistribute at will.
// ----------------------------------------------------------------------------
-// TODO
+// Common definitions
// ----------------------------------------------------------------------------
#ifndef __STDDEF_H
#define __STDDEF_H __STDDEF_H
-// TODO
+// TODO: Documentation
+
+// ----------------------------------------------------------------------------
+// MACROS
+
+#include "__NULL.h"
+
+#define offsetof( s-type, mbr ) // TODO - personality?
+
+// ----------------------------------------------------------------------------
+// TYPEDEFS
+
+#include "__size_t.h"
+#include "__wchar_t.h"
+
+typedef ptrdiff_t; // TODO - personality?
#endif // __STDDEF_H