fa3_fileid
nap->na_fileid = fxdr_hyper(&fp->fa3_fileid);
fp->fa3_fileid.nfsuquad[0] = 0;
fp->fa3_fileid.nfsuquad[1] = txdr_unsigned(nvap->na_fileid);
vap->va_fileid = fxdr_hyper(&fp->fa3_fileid);
txdr_hyper(vap->va_fileid, &fp->fa3_fileid);