module Findlib:Support for finding in a directory hierarchy. -- From Xavier Leroy and Didier Remy's OS course, Chapter 2.sig
..end
exception Hidden of exn
val hide_exn : ('a -> 'b) -> 'a -> 'b
val reveal_exn : ('a -> 'b) -> 'a -> 'b
val find : (Unix.error * string * string -> unit) ->
(string -> Unix.stats -> bool) -> bool -> int -> string list -> unit