cntobn
fileid = cntobn(&mnt->data, denode.de_StartCluster)
fileid = cntobn(&mnt->data, denode.de_dirclust) * dirsperblk;
bn = cntobn(pmp, eofentry);
cntobn(pmp, cn++),
*bnp = cntobn(pmp, cn);
error = bread(pmp->pm_devvp, cntobn(pmp, scn),
bn = cntobn(pmp, cn);
bn = cntobn(pmp, newcluster);
(uint64_t)cntobn(pmp, pmp->pm_rootdirblk) *
dirbuf.d_fileno = cntobn(pmp, cn) *
fileid = (uint64_t)cntobn(pmp, dep->de_StartCluster) *
fileid = (uint64_t)cntobn(pmp, dep->de_dirclust) *
: cntobn((pmp), (dirclu)))
bn = cntobn(pmp, eofentry);
cntobn(pmp, cn++),
*bnp = cntobn(pmp, cn);
bn = cntobn(pmp, newcluster);