sig
type t = int64 option
val string_of_bytes : int64 -> string
val to_string : ?r:ExtUnixSpecific.resource -> int64 option -> string
val compare : Int64.t option -> Int64.t option -> int
val eq : Int64.t option -> Int64.t option -> bool
val gt : Int64.t option -> Int64.t option -> bool
val ge : Int64.t option -> Int64.t option -> bool
val lt : Int64.t option -> Int64.t option -> bool
val le : Int64.t option -> Int64.t option -> bool
end