`sig
type t = Pervasives.in_channel
val stdin : In_channel.t
val create : ?binary:bool -> string -> In_channel.t
val with_file : ?binary:bool -> string -> f:(In_channel.t -> 'a) -> 'a
val close : In_channel.t -> unit
val input : In_channel.t -> buf:string -> pos:int -> len:int -> int
val really_input :
In_channel.t -> buf:string -> pos:int -> len:int -> unit option
val input_byte : In_channel.t -> int option
val input_char : In_channel.t -> char option
val input_binary_int : In_channel.t -> int option
val unsafe_input_value : In_channel.t -> 'a option
val input_all : In_channel.t -> string
val input_line : ?fix_win_eol:bool -> In_channel.t -> string option
val fold_lines :
?fix_win_eol:bool ->
In_channel.t -> init:'a -> f:('a -> string -> 'a) -> 'a
val input_lines : ?fix_win_eol:bool -> In_channel.t -> string list
val iter_lines :
?fix_win_eol:bool -> In_channel.t -> f:(string -> unit) -> unit
val seek : In_channel.t -> int64 -> unit
val pos : In_channel.t -> int64
val length : In_channel.t -> int64
val set_binary_mode : In_channel.t -> bool -> unit
val read_lines : string -> string list
val read_all : string -> string
end`