This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 12]

Cdoor::ANSIColor	Foreground, Background and Attributes
Cdoor::box_styles
Cdoor::Clrscr	Clear the screen
Cdoor::ColorOutput	This holds an ANSIColor and text position + length
Cdoor::Goto	ANSI Goto X, Y position
Cdoor::IConv	Converts from one encoding to another. Uses iconv (international conversion) API
Cdoor::Line	Text and ANSIColor
Cdoor::NewLine	CR+LF
▼Costream
Cdoor::Door
▼Cdoor::Panel
Cdoor::Menu
Cdoor::Render	Rendering a string with ANSIColor
Cdoor::Screen
▼Cstreambuf
Cdoor::Door