--- /dev/null
+++ Libc/Libc-262/gen/zone.c
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
+ * 
+ * This 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 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>
+
+/*********	NX functions	************/
+
+malloc_zone_t *NXDefaultMallocZone() {
+    return malloc_default_zone();
+}
+
+malloc_zone_t *NXCreateZone(size_t startsize, size_t granularity, int canfree) {
+    return malloc_create_zone(startsize, 0);
+}
+
+void NXNameZone(malloc_zone_t *z, const char *name) {
+    malloc_set_zone_name(z, name);
+}
+
+void *NXZoneMalloc(malloc_zone_t *zone, size_t size) {
+    return malloc_zone_malloc(zone, size);
+}
+
+void *NXZoneRealloc(malloc_zone_t *zone, void *ptr, size_t size) {
+    return malloc_zone_realloc(zone, ptr, size);
+}
+
+void *NXZoneCalloc(malloc_zone_t *zone, size_t num_items, size_t size) {
+    return malloc_zone_calloc(zone, num_items, size);
+}
+
+void NXZoneFree(malloc_zone_t *zone, void *ptr) {
+    malloc_zone_free(zone, ptr);
+}
+
+void NXDestroyZone(malloc_zone_t *zone) {
+    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);
+    if (!zone) {
+        fprintf(stderr, "*** malloc[%d]: NXZoneFromPtr() did not find any zone for %p; returning default\n", getpid(), ptr);
+        zone = NX_NOZONE;
+    }
+    return zone;
+}
+
+void NXAddRegion(void *start, size_t size, malloc_zone_t *zone) {
+    fprintf(stderr, "*** malloc[%d]: OBSOLETE: NXAddRegion()\n", getpid());
+}
+
+void NXRemoveRegion(void *start) {
+    fprintf(stderr, "*** malloc[%d]: OBSOLETE: NXRemoveRegion()\n", getpid());
+}
+
+void NXZonePtrInfo(void *ptr) {
+    malloc_zone_print_ptr_info(ptr);
+}
+
+int NXMallocCheck(void) {
+    malloc_zone_check(NULL);
+    return 1;
+}
+
+void _NXMallocDumpZones(void) {
+    malloc_zone_print(NULL, 0);
+}
+
+/*****************	UNIMPLEMENTED ENTRY POINTS	********************/
+
+void NXMergeZone(malloc_zone_t *z) {
+    static char warned = 0;
+    if (!warned) {
+        fprintf(stderr, "*** malloc[%d]: NXMergeZone() now obsolete, does nothing\n", getpid());
+        warned = 1;
+    }
+}
+
+boolean_t NXProtectZone(malloc_zone_t *zone, int protection) {
+    fprintf(stderr, "*** malloc[%d]: NXProtectZone() is obsolete\n", getpid());
+    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) {
+        fprintf(stderr, "*** malloc[%d]: NXCreateChildZone() now obsolete, has been defined to create new zone\n", getpid());
+        warned = 1;
+    }
+    return NXCreateZone(startsize, granularity, canfree);
+}
+
+void _NXMallocDumpFrees(void) {
+    fprintf(stderr, "*** malloc[%d]: OBSOLETE: _NXMallocDumpFrees()\n", getpid());
+}
+