external add_drive : t -> string -> unit = "ocaml_guestfs_add_drive"
external add_cdrom : t -> string -> unit = "ocaml_guestfs_add_cdrom"
external config : t -> string -> string option -> unit = "ocaml_guestfs_config"
+external set_qemu : t -> string -> unit = "ocaml_guestfs_set_qemu"
+external get_qemu : t -> string = "ocaml_guestfs_get_qemu"
external set_path : t -> string -> unit = "ocaml_guestfs_set_path"
external get_path : t -> string = "ocaml_guestfs_get_path"
external set_autosync : t -> bool -> unit = "ocaml_guestfs_set_autosync"
external tar_out : t -> string -> string -> unit = "ocaml_guestfs_tar_out"
external tgz_in : t -> string -> string -> unit = "ocaml_guestfs_tgz_in"
external tgz_out : t -> string -> string -> unit = "ocaml_guestfs_tgz_out"
+external mount_ro : t -> string -> string -> unit = "ocaml_guestfs_mount_ro"
+external mount_options : t -> string -> string -> string -> unit = "ocaml_guestfs_mount_options"
+external mount_vfs : t -> string -> string -> string -> string -> unit = "ocaml_guestfs_mount_vfs"
+external debug : t -> string -> string array -> string = "ocaml_guestfs_debug"