cntobn
bn = cntobn(pmp, eofentry);
cntobn(pmp, cn++),
*bnp = cntobn(pmp, cn);
error = bread(pmp->pm_devvp, cntobn(pmp, scn),
: cntobn((pmp), (dirclu)))
daddr_t blockNumber = cntobn(fatVolume, clustNumber);
off_t startBlock = cntobn(fatVolume, newCluster);
rootDirSector = cntobn(fatVolume, fatVolume->pm_rootdirblk);
off_t cachedBlock = BLOCK_TO_SECTOR(fatVolume, cntobn(fatVolume, cluster));
off_t cachedBlock = BLOCK_TO_SECTOR(fatVolume, cntobn(fatVolume, cluster));
rootDirBlock = cntobn(volume, rootDirBlock);
= cntobn(csi->fatVolume, static_cast<off_t>(csi->cluster)) / csi->fatVolume->pm_BlkPerSec;