external mkswap : t -> string -> unit = "ocaml_guestfs_mkswap"
external mkswap_L : t -> string -> string -> unit = "ocaml_guestfs_mkswap_L"
external mkswap_U : t -> string -> string -> unit = "ocaml_guestfs_mkswap_U"
+external mknod : t -> int -> int -> int -> string -> unit = "ocaml_guestfs_mknod"
+external mkfifo : t -> int -> string -> unit = "ocaml_guestfs_mkfifo"
+external mknod_b : t -> int -> int -> int -> string -> unit = "ocaml_guestfs_mknod_b"
+external mknod_c : t -> int -> int -> int -> string -> unit = "ocaml_guestfs_mknod_c"
+external umask : t -> int -> int = "ocaml_guestfs_umask"