`sig
external raise : exn -> 'a = "%raise"
val invalid_arg : string -> 'a
val failwith : string -> 'a
exception Exit
external ( = ) : 'a -> 'a -> bool = "%equal"
external ( <> ) : 'a -> 'a -> bool = "%notequal"
external ( < ) : 'a -> 'a -> bool = "%lessthan"
external ( > ) : 'a -> 'a -> bool = "%greaterthan"
external ( <= ) : 'a -> 'a -> bool = "%lessequal"
external ( >= ) : 'a -> 'a -> bool = "%greaterequal"
external compare : 'a -> 'a -> int = "%compare"
val min : 'a -> 'a -> 'a
val max : 'a -> 'a -> 'a
external ( == ) : 'a -> 'a -> bool = "%eq"
external ( != ) : 'a -> 'a -> bool = "%noteq"
external not : bool -> bool = "%boolnot"
external ( && ) : bool -> bool -> bool = "%sequand"
external ( & ) : bool -> bool -> bool = "%sequand"
external ( || ) : bool -> bool -> bool = "%sequor"
external ( or ) : bool -> bool -> bool = "%sequor"
external ( ~- ) : int -> int = "%negint"
external succ : int -> int = "%succint"
external pred : int -> int = "%predint"
external ( + ) : int -> int -> int = "%addint"
external ( - ) : int -> int -> int = "%subint"
external ( * ) : int -> int -> int = "%mulint"
external ( / ) : int -> int -> int = "%divint"
external ( mod ) : int -> int -> int = "%modint"
val abs : int -> int
val max_int : int
val min_int : int
external ( land ) : int -> int -> int = "%andint"
external ( lor ) : int -> int -> int = "%orint"
external ( lxor ) : int -> int -> int = "%xorint"
val lnot : int -> int
external ( lsl ) : int -> int -> int = "%lslint"
external ( lsr ) : int -> int -> int = "%lsrint"
external ( asr ) : int -> int -> int = "%asrint"
external ( ~-. ) : float -> float = "%negfloat"
external ( +. ) : float -> float -> float = "%addfloat"
external ( -. ) : float -> float -> float = "%subfloat"
external ( *. ) : float -> float -> float = "%mulfloat"
external ( /. ) : float -> float -> float = "%divfloat"
external ( ** ) : float -> float -> float = "caml_power_float" "pow"
"float"
external sqrt : float -> float = "caml_sqrt_float" "sqrt" "float"
external exp : float -> float = "caml_exp_float" "exp" "float"
external log : float -> float = "caml_log_float" "log" "float"
external log10 : float -> float = "caml_log10_float" "log10" "float"
external cos : float -> float = "caml_cos_float" "cos" "float"
external sin : float -> float = "caml_sin_float" "sin" "float"
external tan : float -> float = "caml_tan_float" "tan" "float"
external acos : float -> float = "caml_acos_float" "acos" "float"
external asin : float -> float = "caml_asin_float" "asin" "float"
external atan : float -> float = "caml_atan_float" "atan" "float"
external atan2 : float -> float -> float = "caml_atan2_float" "atan2"
"float"
external cosh : float -> float = "caml_cosh_float" "cosh" "float"
external sinh : float -> float = "caml_sinh_float" "sinh" "float"
external tanh : float -> float = "caml_tanh_float" "tanh" "float"
external ceil : float -> float = "caml_ceil_float" "ceil" "float"
external floor : float -> float = "caml_floor_float" "floor" "float"
external abs_float : float -> float = "%absfloat"
external mod_float : float -> float -> float = "caml_fmod_float" "fmod"
"float"
external frexp : float -> float * int = "caml_frexp_float"
external ldexp : float -> int -> float = "caml_ldexp_float"
external modf : float -> float * float = "caml_modf_float"
external float : int -> float = "%floatofint"
external float_of_int : int -> float = "%floatofint"
external truncate : float -> int = "%intoffloat"
external int_of_float : float -> int = "%intoffloat"
val infinity : float
val neg_infinity : float
val nan : float
val max_float : float
val min_float : float
val epsilon_float : float
type fpclass = FP_normal | FP_subnormal | FP_zero | FP_infinite | FP_nan
external classify_float : float -> Pervasives.fpclass
= "caml_classify_float"
val ( ^ ) : string -> string -> string
external int_of_char : char -> int = "%identity"
val char_of_int : int -> char
external ignore : 'a -> unit = "%ignore"
val string_of_bool : bool -> string
val bool_of_string : string -> bool
val string_of_int : int -> string
external int_of_string : string -> int = "caml_int_of_string"
val string_of_float : float -> string
external float_of_string : string -> float = "caml_float_of_string"
external fst : 'a * 'b -> 'a = "%field0"
external snd : 'a * 'b -> 'b = "%field1"
val ( @ ) : 'a list -> 'a list -> 'a list
type in_channel
type out_channel
val stdin : Pervasives.in_channel
val stdout : Pervasives.out_channel
val stderr : Pervasives.out_channel
val print_char : char -> unit
val print_string : string -> unit
val print_int : int -> unit
val print_float : float -> unit
val print_endline : string -> unit
val print_newline : unit -> unit
val prerr_char : char -> unit
val prerr_string : string -> unit
val prerr_int : int -> unit
val prerr_float : float -> unit
val prerr_endline : string -> unit
val prerr_newline : unit -> unit
val read_line : unit -> string
val read_int : unit -> int
val read_float : unit -> float
type open_flag =
Open_rdonly
| Open_wronly
| Open_append
| Open_creat
| Open_trunc
| Open_excl
| Open_binary
| Open_text
| Open_nonblock
val open_out : string -> Pervasives.out_channel
val open_out_bin : string -> Pervasives.out_channel
val open_out_gen :
Pervasives.open_flag list -> int -> string -> Pervasives.out_channel
val flush : Pervasives.out_channel -> unit
val flush_all : unit -> unit
val output_char : Pervasives.out_channel -> char -> unit
val output_string : Pervasives.out_channel -> string -> unit
val output : Pervasives.out_channel -> string -> int -> int -> unit
val output_byte : Pervasives.out_channel -> int -> unit
val output_binary_int : Pervasives.out_channel -> int -> unit
val output_value : Pervasives.out_channel -> 'a -> unit
val seek_out : Pervasives.out_channel -> int -> unit
val pos_out : Pervasives.out_channel -> int
val out_channel_length : Pervasives.out_channel -> int
val close_out : Pervasives.out_channel -> unit
val close_out_noerr : Pervasives.out_channel -> unit
val set_binary_mode_out : Pervasives.out_channel -> bool -> unit
val open_in : string -> Pervasives.in_channel
val open_in_bin : string -> Pervasives.in_channel
val open_in_gen :
Pervasives.open_flag list -> int -> string -> Pervasives.in_channel
val input_char : Pervasives.in_channel -> char
val input_line : Pervasives.in_channel -> string
val input : Pervasives.in_channel -> string -> int -> int -> int
val really_input : Pervasives.in_channel -> string -> int -> int -> unit
val input_byte : Pervasives.in_channel -> int
val input_binary_int : Pervasives.in_channel -> int
val input_value : Pervasives.in_channel -> 'a
val seek_in : Pervasives.in_channel -> int -> unit
val pos_in : Pervasives.in_channel -> int
val in_channel_length : Pervasives.in_channel -> int
val close_in : Pervasives.in_channel -> unit
val close_in_noerr : Pervasives.in_channel -> unit
val set_binary_mode_in : Pervasives.in_channel -> bool -> unit
module LargeFile :
sig
val seek_out : Pervasives.out_channel -> int64 -> unit
val pos_out : Pervasives.out_channel -> int64
val out_channel_length : Pervasives.out_channel -> int64
val seek_in : Pervasives.in_channel -> int64 -> unit
val pos_in : Pervasives.in_channel -> int64
val in_channel_length : Pervasives.in_channel -> int64
end
type 'a ref = { mutable contents : 'a; }
external ref : 'a -> 'a Pervasives.ref = "%makemutable"
external ( ! ) : 'a Pervasives.ref -> 'a = "%field0"
external ( := ) : 'a Pervasives.ref -> 'a -> unit = "%setfield0"
external incr : int Pervasives.ref -> unit = "%incr"
external decr : int Pervasives.ref -> unit = "%decr"
type ('a, 'b, 'c) format = ('a, 'b, 'c, 'c) format4
val string_of_format : ('a, 'b, 'c, 'd) format4 -> string
external format_of_string :
('a, 'b, 'c, 'd) format4 -> ('a, 'b, 'c, 'd) format4 = "%identity"
val ( ^^ ) :
('a, 'b, 'c, 'd) format4 ->
('d, 'b, 'c, 'e) format4 -> ('a, 'b, 'c, 'e) format4
val exit : int -> 'a
val at_exit : (unit -> unit) -> unit
val valid_float_lexem : string -> string
val unsafe_really_input :
Pervasives.in_channel -> string -> int -> int -> unit
val do_at_exit : unit -> unit
end`