+external ls : t -> string -> string array = "ocaml_guestfs_ls"
+external list_devices : t -> string array = "ocaml_guestfs_list_devices"
+external list_partitions : t -> string array = "ocaml_guestfs_list_partitions"
+external pvs : t -> string array = "ocaml_guestfs_pvs"
+external vgs : t -> string array = "ocaml_guestfs_vgs"
+external lvs : t -> string array = "ocaml_guestfs_lvs"
+external pvs_full : t -> lvm_pv array = "ocaml_guestfs_pvs_full"
+external vgs_full : t -> lvm_vg array = "ocaml_guestfs_vgs_full"
+external lvs_full : t -> lvm_lv array = "ocaml_guestfs_lvs_full"
+external read_lines : t -> string -> string array = "ocaml_guestfs_read_lines"
+external aug_init : t -> string -> int -> unit = "ocaml_guestfs_aug_init"
+external aug_close : t -> unit = "ocaml_guestfs_aug_close"
+external aug_defvar : t -> string -> string option -> int = "ocaml_guestfs_aug_defvar"
+external aug_defnode : t -> string -> string -> string -> int * bool = "ocaml_guestfs_aug_defnode"
+external aug_get : t -> string -> string = "ocaml_guestfs_aug_get"
+external aug_set : t -> string -> string -> unit = "ocaml_guestfs_aug_set"
+external aug_insert : t -> string -> string -> bool -> unit = "ocaml_guestfs_aug_insert"
+external aug_rm : t -> string -> int = "ocaml_guestfs_aug_rm"
+external aug_mv : t -> string -> string -> unit = "ocaml_guestfs_aug_mv"
+external aug_match : t -> string -> string array = "ocaml_guestfs_aug_match"
+external aug_save : t -> unit = "ocaml_guestfs_aug_save"
+external aug_load : t -> unit = "ocaml_guestfs_aug_load"
+external aug_ls : t -> string -> string array = "ocaml_guestfs_aug_ls"
+external rm : t -> string -> unit = "ocaml_guestfs_rm"
+external rmdir : t -> string -> unit = "ocaml_guestfs_rmdir"
+external rm_rf : t -> string -> unit = "ocaml_guestfs_rm_rf"
+external mkdir : t -> string -> unit = "ocaml_guestfs_mkdir"
+external mkdir_p : t -> string -> unit = "ocaml_guestfs_mkdir_p"
+external chmod : t -> int -> string -> unit = "ocaml_guestfs_chmod"
+external chown : t -> int -> int -> string -> unit = "ocaml_guestfs_chown"
+external exists : t -> string -> bool = "ocaml_guestfs_exists"
+external is_file : t -> string -> bool = "ocaml_guestfs_is_file"
+external is_dir : t -> string -> bool = "ocaml_guestfs_is_dir"
+external pvcreate : t -> string -> unit = "ocaml_guestfs_pvcreate"
+external vgcreate : t -> string -> string array -> unit = "ocaml_guestfs_vgcreate"
+external lvcreate : t -> string -> string -> int -> unit = "ocaml_guestfs_lvcreate"
+external mkfs : t -> string -> string -> unit = "ocaml_guestfs_mkfs"
+external sfdisk : t -> string -> int -> int -> int -> string array -> unit = "ocaml_guestfs_sfdisk_byte" "ocaml_guestfs_sfdisk"
+external write_file : t -> string -> string -> int -> unit = "ocaml_guestfs_write_file"
+external umount : t -> string -> unit = "ocaml_guestfs_umount"
+external mounts : t -> string array = "ocaml_guestfs_mounts"
+external umount_all : t -> unit = "ocaml_guestfs_umount_all"
+external lvm_remove_all : t -> unit = "ocaml_guestfs_lvm_remove_all"
+external file : t -> string -> string = "ocaml_guestfs_file"
+external command : t -> string array -> string = "ocaml_guestfs_command"
+external command_lines : t -> string array -> string array = "ocaml_guestfs_command_lines"
+external stat : t -> string -> stat = "ocaml_guestfs_stat"
+external lstat : t -> string -> stat = "ocaml_guestfs_lstat"
+external statvfs : t -> string -> statvfs = "ocaml_guestfs_statvfs"
+external tune2fs_l : t -> string -> (string * string) list = "ocaml_guestfs_tune2fs_l"
+external blockdev_setro : t -> string -> unit = "ocaml_guestfs_blockdev_setro"
+external blockdev_setrw : t -> string -> unit = "ocaml_guestfs_blockdev_setrw"
+external blockdev_getro : t -> string -> bool = "ocaml_guestfs_blockdev_getro"
+external blockdev_getss : t -> string -> int = "ocaml_guestfs_blockdev_getss"
+external blockdev_getbsz : t -> string -> int = "ocaml_guestfs_blockdev_getbsz"
+external blockdev_setbsz : t -> string -> int -> unit = "ocaml_guestfs_blockdev_setbsz"
+external blockdev_getsz : t -> string -> int64 = "ocaml_guestfs_blockdev_getsz"
+external blockdev_getsize64 : t -> string -> int64 = "ocaml_guestfs_blockdev_getsize64"
+external blockdev_flushbufs : t -> string -> unit = "ocaml_guestfs_blockdev_flushbufs"
+external blockdev_rereadpt : t -> string -> unit = "ocaml_guestfs_blockdev_rereadpt"
+external upload : t -> string -> string -> unit = "ocaml_guestfs_upload"
+external download : t -> string -> string -> unit = "ocaml_guestfs_download"
+external checksum : t -> string -> string -> string = "ocaml_guestfs_checksum"
+external tar_in : t -> string -> string -> unit = "ocaml_guestfs_tar_in"
+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"
+external lvremove : t -> string -> unit = "ocaml_guestfs_lvremove"
+external vgremove : t -> string -> unit = "ocaml_guestfs_vgremove"
+external pvremove : t -> string -> unit = "ocaml_guestfs_pvremove"
+external set_e2label : t -> string -> string -> unit = "ocaml_guestfs_set_e2label"
+external get_e2label : t -> string -> string = "ocaml_guestfs_get_e2label"
+external set_e2uuid : t -> string -> string -> unit = "ocaml_guestfs_set_e2uuid"
+external get_e2uuid : t -> string -> string = "ocaml_guestfs_get_e2uuid"
+external fsck : t -> string -> string -> int = "ocaml_guestfs_fsck"
+external zero : t -> string -> unit = "ocaml_guestfs_zero"
+external grub_install : t -> string -> string -> unit = "ocaml_guestfs_grub_install"
+external cp : t -> string -> string -> unit = "ocaml_guestfs_cp"
+external cp_a : t -> string -> string -> unit = "ocaml_guestfs_cp_a"
+external mv : t -> string -> string -> unit = "ocaml_guestfs_mv"
+external drop_caches : t -> int -> unit = "ocaml_guestfs_drop_caches"
+external dmesg : t -> string = "ocaml_guestfs_dmesg"
+external ping_daemon : t -> unit = "ocaml_guestfs_ping_daemon"
+external equal : t -> string -> string -> bool = "ocaml_guestfs_equal"