_nc_export_termtype2
extern NCURSES_EXPORT(void) _nc_export_termtype2(TERMTYPE *, const TERMTYPE2 *);
_nc_export_termtype2(TERMTYPE *dst, const TERMTYPE2 *src)
_nc_export_termtype2(&termp->type, &TerminalType(termp));
_nc_export_termtype2(tp, &dummy);
_nc_export_termtype2(&termp->type, &TerminalType(termp));