Fat_entry.Chainval follow : Fat_format.t -> fat -> int -> tfollow_chain format fat cluster returns the list of sectors containing data according to FAT fat which is of type format.
val extend : Fat_boot_sector.t -> Fat_format.t -> fat -> int option -> int -> textend boot format fat last n allocates n free clusters to extend the chain whose current end is last
val to_sectors : Fat_boot_sector.t -> t -> int listto_sectors boot t converts the chain t into a sequence of sectors