Module Caml_int64_extern

val of_int : int -> int64
val add : int64 -> int64 -> int64
val sub : int64 -> int64 -> int64
val mul : int64 -> int64 -> int64
val div : int64 -> int64 -> int64
val logor : int64 -> int64 -> int64
val neg : int64 -> int64
val to_int : int64 -> int
type t = {
  1. hi : int;
  2. lo : int;
}