val pp_time : float Lm_printf.t
(*  Print the location of the stack pointer for debugging. *)
(* val print_stack_pointer : unit -> unit *)


(*
 * Location of application data (this is the same as home_dir
 * except on Win32).
 *)
val application_dir : string

(*
 * Really read some number of bytes.
 *)
val really_read : Unix.file_descr -> bytes -> int -> int -> unit

(*
 * Copy an entire file.
 *)
val copy_file : string -> string -> int -> unit

(*
 * Make all the directories in a path.
 *)
val mkdirhier : string -> unit

(*
 * Home directory of the current user.
 *)
val home_dir : string

(*
 * C interface.
 *)
val int_of_fd : Unix.file_descr -> int

(*
 * Lock utilities.
 *)
val lockf : Unix.file_descr -> Unix.lock_command -> int -> unit
val getlk : Unix.file_descr -> Unix.lock_command -> int option

(*
 * File truncation.
 *)
val ftruncate : Unix.file_descr -> unit

(*
 * Get a value from the registry.
 * raises Not_found if the entry is not found or you are not using Win32.
 *)
type registry_hkey =
    HKEY_CLASSES_ROOT
  | HKEY_CURRENT_CONFIG
  | HKEY_CURRENT_USER
  | HKEY_LOCAL_MACHINE
  | HKEY_USERS

val registry_find  : registry_hkey -> string -> string -> string

(*
 * Open a file.
 * This is mainly for debugging.
 *)
val openfile : string -> Unix.open_flag list -> Unix.file_perm -> Unix.file_descr

(*
 * Simple file locking.
 *)
type flock_command =
   LOCK_UN
 | LOCK_SH
 | LOCK_EX
 | LOCK_TSH
 | LOCK_TEX

val flock : Unix.file_descr -> flock_command -> unit

(*
 * Scan the password database for entries.
 *)
val getpwents : unit -> Unix.passwd_entry list

val finally : 'a -> ('a -> 'b) -> ('a -> 'c) -> 'b

(** TODO: flags need to be documented *)
val with_file_fmt : string -> (Format.formatter -> 'a) -> 'a

(** TODO: using [Sys.readdir] instead *)
val list_directory : string -> string list


val try_unlink_file : string -> unit

val moncontrol : bool -> unit
(* control gprof activity *)