doabbr
doabbr(result, zp->z_format, abbrvar, FALSE, TRUE);
doabbr(end(result), zp->z_format, dstrp->r_abbrvar, TRUE, TRUE);
doabbr(startbuf, zp->z_format,
doabbr(startbuf, zp->z_format,
doabbr(startbuf,
doabbr(ab, zp->z_format, rp->r_abbrvar,