extern NCURSES_EXPORT(bool) _nc_tty_beep (void);
extern NCURSES_EXPORT(bool) _nc_tty_check_resize (void);
extern NCURSES_EXPORT(bool) _nc_tty_cursor (int);
extern NCURSES_EXPORT(bool) _nc_tty_beep (void);
extern NCURSES_EXPORT(bool) _nc_tty_check_resize (void);
extern NCURSES_EXPORT(bool) _nc_tty_cursor (int);