extern int guestfs_mount_options (guestfs_h *handle, const char *options, const char *device, const char *mountpoint);
extern int guestfs_mount_vfs (guestfs_h *handle, const char *options, const char *vfstype, const char *device, const char *mountpoint);
extern char *guestfs_debug (guestfs_h *handle, const char *subcmd, char * const* const extraargs);
+extern int guestfs_lvremove (guestfs_h *handle, const char *device);
+extern int guestfs_vgremove (guestfs_h *handle, const char *vgname);
+extern int guestfs_pvremove (guestfs_h *handle, const char *device);