XC_TAIL_DONE
if (!(cur->xc_flags & XC_TAIL_DONE) && xdrbuf->tail[0].iov_len &&
cur->xc_flags |= XC_TAIL_DONE;
} else if (!(cur->xc_flags & XC_TAIL_DONE) &&
cur->xc_flags |= XC_TAIL_DONE;
cur->xc_flags |= XC_TAIL_DONE;
XC_TAIL_DONE)) ==
(XC_HEAD_DONE | XC_PAGES_DONE | XC_TAIL_DONE);