--- Gnu-Mach/vm/vm_debug.c	2020/09/02 04:36:57	1.1
+++ Gnu-Mach/vm/vm_debug.c	2020/09/02 04:45:24	1.1.1.3
@@ -1,25 +1,25 @@
-/* 
+/*
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
- * 
+ *
  * Permission to use, copy, modify and distribute this software and its
  * documentation is hereby granted, provided that both the copyright
  * notice and this permission notice appear in all copies of the
  * software, derivative works or modified versions, and any portions
  * thereof, and that both notices appear in supporting documentation.
- * 
+ *
  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- * 
+ *
  * Carnegie Mellon requests users of this software to return to
- * 
+ *
  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  *  School of Computer Science
  *  Carnegie Mellon University
  *  Pittsburgh PA 15213-3890
- * 
+ *
  * any improvements or extensions that they make and grant Carnegie Mellon
  * the rights to redistribute these changes.
  */
@@ -31,9 +31,9 @@
  *	Exported kernel calls.  See mach_debug/mach_debug.defs.
  */
 
-#include <mach_vm_debug.h>
-#if MACH_VM_DEBUG
+#include <string.h>
 
+#include <kern/debug.h>
 #include <kern/thread.h>
 #include <mach/kern_return.h>
 #include <mach/machine/vm_types.h>
@@ -51,6 +51,7 @@
 #include <ipc/ipc_port.h>
 
 
+#if MACH_VM_DEBUG
 
 /*
  *	Routine:	vm_object_real_name
@@ -403,8 +404,8 @@ mach_vm_object_pages(object, pagesp, cou
 				  addr + rsize_used, size - rsize_used);
 
 		if (size_used != rsize_used)
-			bzero((char *) (addr + size_used),
-			      rsize_used - size_used);
+			memset((char *) (addr + size_used), 0, 
+			       rsize_used - size_used);
 
 		kr = vm_map_copyin(ipc_kernel_map, addr, rsize_used,
 				   TRUE, &copy);
@@ -417,7 +418,7 @@ mach_vm_object_pages(object, pagesp, cou
 	return KERN_SUCCESS;
 }
 
-#endif	MACH_VM_DEBUG
+#endif	/* MACH_VM_DEBUG */
 
 /*
  *	Routine:	host_virtual_physical_table_info