`sig
val root : string
val realpath : string -> string
val is_posix_pathname_component : string -> bool
val temp_file : ?perm:int -> ?in_dir:string -> string -> string -> string
val temp_dir : ?perm:int -> ?in_dir:string -> string -> string -> string
val temp_dir_name : string
val open_temp_file :
?perm:int -> ?in_dir:string -> string -> string -> string * out_channel
val current_dir_name : string
val parent_dir_name : string
val dir_sep : string
val concat : string -> string -> string
val is_relative : string -> bool
val is_absolute : string -> bool
val is_implicit : string -> bool
val check_suffix : string -> string -> bool
val chop_suffix : string -> string -> string
val chop_extension : string -> string
val split_extension : string -> string * string option
val basename : string -> string
val dirname : string -> string
val split : string -> string * string
val parts : string -> string list
val of_parts : string list -> string
val quote : string -> string
val normalize : string -> string
val parent : string -> string
val make_relative : ?to_:string -> string -> string
val make_absolute : string -> string
val expand : ?from:string -> string -> string
val explode : string -> string list
val implode : string list -> string
val normalize_path : string list -> string list
val compare : string -> string -> int
val with_open_temp_file :
?in_dir:string ->
?write:(out_channel -> unit) ->
f:(string -> 'a) -> string -> string -> 'a
val with_temp_dir :
?in_dir:string -> string -> string -> f:(string -> 'a) -> 'a
val is_parent : string -> string -> bool
end`