CLUST_FIRST
if (cn < CLUST_FIRST || cn > pmp->pm_maxcluster)
if (start < CLUST_FIRST || start + count - 1 > pmp->pm_maxcluster)
pmp->pm_nxtfree = CLUST_FIRST;
while (cluster >= CLUST_FIRST && cluster <= pmp->pm_maxcluster) {
(de_cn2bn((pmp), (cn)-CLUST_FIRST) + (pmp)->pm_firstcluster)
if (fatVolume->pm_maxcluster <= ((CLUST_RSRVD - CLUST_FIRST) & FAT12_MASK)) {
volume->pm_nxtfree = CLUST_FIRST;
if (volume->pm_nxtfree < CLUST_FIRST)
volume->pm_nxtfree = CLUST_FIRST;