val really_input : in_channel -> bytes -> int -> int -> unitval input : in_channel -> bytes -> int -> int -> intval output : out_channel -> bytes -> int -> int -> unitval close_out : out_channel -> unitTar.IOval really_input : in_channel -> bytes -> int -> int -> unitval input : in_channel -> bytes -> int -> int -> intval output : out_channel -> bytes -> int -> int -> unitval close_out : out_channel -> unit