(* $Id: iovalue.mli,v 5.4 2007/02/18 19:26:34 ddr Exp $ *)
(* Copyright (c) 1998-2007 INRIA *)

value input : in_channel -> 'a;
value output : out_channel -> 'a -> unit;

value size : 'a -> int;
value digest : 'a -> Digest.t;

value sizeof_long : int;

(* making a header for input_value like output_value does *)

type header_pos = 'abstract;

value create_output_value_header : out_channel -> header_pos;
value patch_output_value_header : out_channel -> header_pos -> int;

(* generic functions *)

type in_funs 'a =
  { input_byte : 'a -> int;
    input_binary_int : 'a -> int;
    input : 'a -> string -> int -> int -> unit }
;
value gen_input : in_funs 'a -> 'a -> 'b;
value in_channel_funs : in_funs in_channel;

type out_funs 'a =
  { output_byte : 'a -> int -> unit;
    output_binary_int : 'a -> int -> unit;
    output : 'a -> string -> int -> int -> unit }
;
value gen_output : out_funs 'a -> 'a -> 'b -> unit;
value out_channel_funs : out_funs out_channel;

value output_block_header : out_channel -> int -> int -> unit;
value size_32 : ref int;
value size_64 : ref int;

value output_array_access : out_channel -> (int -> 'a) -> int -> int -> int;
