val human : bool ref (** Display human-readable. *)
val all : bool ref (** Show all or just active domains. *)
val test_files : string list ref (** In test mode (-t) list of files. *)
+val csv_mode : bool ref (** CSV mode. *)
(** State of command line arguments. *)
+val csv_write : (out_channel -> string list -> unit) option ref
+(** If virt_df_csv.ml is compiled in then this hook is overridden with
+ a function to write a single line to a CSV file.
+*)
+
(**
{2 Domain/device model}