Constants and macros

Include OpenDoor.h rather than copying numeric values into an application. The reference is divided by purpose so every public value can be described individually.

• General and platform definitions covers the version, platform selection, booleans, timeouts, and child-process modes.
• Errors and exit levels covers API errors and configured process exit reasons.
• Colors covers foreground, background, blink, and compatibility color names.
• Input and editors covers translated keys, input modes, editor flags, formats, and results.
• Menus and screen covers popup menus, scrolling, status lines, box characters, and terminal detection.
• Session and connection covers door-information formats, communication methods, paging, events, and disabled behaviors.
• Components and personalities covers optional components, built-in personalities, and personality callback operations.

Compatibility aliases for older source are collected separately under Compatibility interfaces.