+__BEGIN_DECLS
+#ifdef BSD_KERNEL_PRIVATE
+int spec_blktooff (struct vnop_blktooff_args *);
+int spec_offtoblk (struct vnop_offtoblk_args *);
+int spec_fsync_internal (vnode_t, int, vfs_context_t);
+int spec_blockmap (struct vnop_blockmap_args *);
+int spec_kqfilter (vnode_t vp, struct knote *kn);
+#endif /* BSD_KERNEL_PRIVATE */
+