val marshal_blit : ?flags:Marshal.extern_flags list ->
'a -> ?pos:int -> ?len:int -> Bigstring.t -> int
val marshal : ?flags:Marshal.extern_flags list -> 'a -> Bigstring.t
val marshal_data_size : ?pos:int -> Bigstring.t -> int
val unmarshal : ?pos:int -> Bigstring.t -> 'a
val unmarshal_next : ?pos:int -> Bigstring.t -> 'a * int
val skip : ?pos:int -> Bigstring.t -> int