Data Types
[cu: Common Infrastructure]

Modules
	cu/bool.h: Boolean Functions
	cu/box.h: Boxing and Unboxing Operations
	cu/idr.h: Identifiers (Strings with Pointer Equality)
	cu/int.h: Integer Functions
	cu/ptr.h: Pointer Arithmetic
	cu/size.h: Functions on Sizes and Pointer Diffs
	cu/str.h: Multi-Byte Strings
	cu/wchar.h: Unicode Characters
	cu/word.h: Functions on Machine Words
	cu/wstring.h: Unicode String