gh-152334: Add curses key-management functions#152338
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Add define_key(), key_defined() and keyok(), the ncurses extensions for managing how control strings are recognized as key codes, beyond the predefined terminfo keys and the all-or-nothing window.keypad(). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Add the ncurses key-management extensions
define_key(),key_defined()andkeyok(), which manage how control strings are recognized as key codes, beyond the predefined terminfo keys and the all-or-nothingwindow.keypad().define_key(definition, keycode)binds the control string definition to keycode (Noneremoves the binding for keycode; a non-positive keycode removes the binding for definition).key_defined(definition)returns the key code bound to definition,0if none, or-1if it is ambiguous.keyok(keycode, enable)enables or disables recognition of a single key code.They are available when built against an ncurses with
NCURSES_EXT_FUNCS.