--- Net2/vm/vm.h	2018/04/24 18:03:57	1.1
+++ Net2/vm/vm.h	2018/04/24 18:15:01	1.1.1.2
@@ -30,11 +30,13 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)vm.h	7.1 (Berkeley) 5/5/91
+ *	from: @(#)vm.h	7.1 (Berkeley) 5/5/91
+ *	vm.h,v 1.5 1993/07/15 14:25:18 cgd Exp
  */
 
-#ifndef VM_H
-#define VM_H
+#ifndef _VM_VM_H_
+#define _VM_VM_H_
+
 #include <vm/vm_param.h>
 #include <vm/lock.h>
 #include <vm/queue.h>
@@ -71,4 +73,10 @@ struct	vmspace *vmspace_alloc __P((vm_of
 			int pageable));
 struct	vmspace *vmspace_fork __P((struct vmspace *));
 void	vmspace_free __P((struct vmspace *));
-#endif /* VM_H */
+
+int	vm_fault __P((vm_map_t, vm_offset_t, vm_prot_t, boolean_t));
+void	vm_fault_wire __P((vm_map_t, vm_offset_t, vm_offset_t));
+void	vm_fault_unwire __P((vm_map_t, vm_offset_t, vm_offset_t));
+void	vm_fault_copy_entry __P((vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t));
+
+#endif /* !_VM_VM_H_ */