--- /dev/null
+++ Libc/Libc-583/gen/zone.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#import <objc/zone.h>
+#import <stdio.h>
+#import <libc.h>
+#import <pthread.h>
+#import <stdlib.h>
+#import <unistd.h>
+
+#define OBSOLETED
+
+static pthread_mutex_t _zone_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+enum {
+    nXDefaultMallocZone = 0,
+    nXCreateZone,
+    nXNameZone,
+    nXZoneMalloc,
+    nXZoneRealloc,
+    nXZoneCalloc,
+    nXZoneFree,
+    nXDestroyZone,
+    nXZoneFromPtr,
+    nXZonePtrInfo,
+    nXMallocCheck,
+    _nXMallocDumpZones
+};
+static char *once[] = {
+    "NXDefaultMallocZone",
+    "NXCreateZone",
+    "NXNameZone",
+    "NXZoneMalloc",
+    "NXZoneRealloc",
+    "NXZoneCalloc",
+    "NXZoneFree",
+    "NXDestroyZone",
+    "NXZoneFromPtr",
+    "NXZonePtrInfo",
+    "NXMallocCheck",
+    "_NXMallocDumpZones"
+};
+
+extern int __is_threaded;
+
+/*********	NX functions	************/
+
+static void
+_deprecated(int index)
+{
+    if(__is_threaded)
+	pthread_mutex_lock(&_zone_mutex);
+    if(once[index]) {
+	fprintf(stderr, "*** %s[%d]: %s() is deprecated and will be removed in the future\n", getprogname(), getpid(), once[index]);
+	once[index] = NULL;
+    }
+    if(__is_threaded)
+	pthread_mutex_unlock(&_zone_mutex);
+}
+
+malloc_zone_t *NXDefaultMallocZone() {
+    _deprecated(nXDefaultMallocZone);
+    return malloc_default_zone();
+}
+
+malloc_zone_t *NXCreateZone(size_t startsize, size_t granularity, int canfree) {
+    _deprecated(nXCreateZone);
+    return malloc_create_zone(startsize, 0);
+}
+
+void NXNameZone(malloc_zone_t *z, const char *name) {
+    _deprecated(nXNameZone);
+    malloc_set_zone_name(z, name);
+}
+
+void *NXZoneMalloc(malloc_zone_t *zone, size_t size) {
+    _deprecated(nXZoneMalloc);
+    return malloc_zone_malloc(zone, size);
+}
+
+void *NXZoneRealloc(malloc_zone_t *zone, void *ptr, size_t size) {
+    _deprecated(nXZoneRealloc);
+    return malloc_zone_realloc(zone, ptr, size);
+}
+
+void *NXZoneCalloc(malloc_zone_t *zone, size_t num_items, size_t size) {
+    _deprecated(nXZoneCalloc);
+    return malloc_zone_calloc(zone, num_items, size);
+}
+
+void NXZoneFree(malloc_zone_t *zone, void *ptr) {
+    _deprecated(nXZoneFromPtr);
+    malloc_zone_free(zone, ptr);
+}
+
+void NXDestroyZone(malloc_zone_t *zone) {
+    _deprecated(nXDestroyZone);
+    if (zone == malloc_default_zone()) return; // we avoid destroying child zones
+    malloc_destroy_zone(zone);
+}
+
+NXZone *NXZoneFromPtr(void *ptr) {
+    NXZone	*zone = malloc_zone_from_ptr(ptr);
+    _deprecated(nXZoneFromPtr);
+    if (!zone) {
+        malloc_printf("*** NXZoneFromPtr() did not find any zone for %p; returning default\n", ptr);
+        zone = NX_NOZONE;
+    }
+    return zone;
+}
+
+#ifndef OBSOLETED
+void NXAddRegion(void *start, size_t size, malloc_zone_t *zone) {
+    malloc_printf("*** OBSOLETE: NXAddRegion()\n");
+}
+
+void NXRemoveRegion(void *start) {
+    malloc_printf("*** OBSOLETE: NXRemoveRegion()\n");
+}
+#endif /* OBSOLETED */
+
+void NXZonePtrInfo(void *ptr) {
+    _deprecated(nXZonePtrInfo);
+    malloc_zone_print_ptr_info(ptr);
+}
+
+int NXMallocCheck(void) {
+    _deprecated(nXMallocCheck);
+    malloc_zone_check(NULL);
+    return 1;
+}
+
+void _NXMallocDumpZones(void) {
+    _deprecated(_nXMallocDumpZones);
+    malloc_zone_print(NULL, 0);
+}
+
+/*****************	UNIMPLEMENTED ENTRY POINTS	********************/
+
+#ifndef OBSOLETED
+void NXMergeZone(malloc_zone_t *z) {
+    static char warned = 0;
+    if (!warned) {
+        malloc_printf("*** NXMergeZone() now obsolete, does nothing\n");
+        warned = 1;
+    }
+}
+
+boolean_t NXProtectZone(malloc_zone_t *zone, int protection) {
+    malloc_printf("*** NXProtectZone() is obsolete\n");
+    return 0;
+}
+
+malloc_zone_t *NXCreateChildZone(malloc_zone_t *parentzone, size_t startsize, size_t granularity, int canfree) {
+    // We can not remove this one as it is still used by IndexingKit
+    static char warned = 0;
+    if (!warned) {
+        malloc_printf("*** NXCreateChildZone() now obsolete, has been defined to create new zone\n");
+        warned = 1;
+    }
+    return NXCreateZone(startsize, granularity, canfree);
+}
+
+void _NXMallocDumpFrees(void) {
+    malloc_printf("*** OBSOLETE: _NXMallocDumpFrees()\n");
+}
+#endif /* OBSOLETED */