extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list);
extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype);
extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype);
extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list);
extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype);
extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype);