diff --git a/Headers/gnustep/base/NSZone.h b/Headers/gnustep/base/NSZone.h
new file mode 100644
index 000000000..0cea3ff92
--- /dev/null
+++ b/Headers/gnustep/base/NSZone.h
@@ -0,0 +1,155 @@
+/* NSZone memory management.
+   Copyright (C) 1994 NeXT Computer, Inc.
+ 
+   This file is part of the GNU Objective C Class Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+   See NSZone.c for additional information. */
+
+#ifndef h_zone_NS_h
+#define h_zone_NS_h
+
+#ifdef __NeXT__
+#import <objc/zone.h>
+#define NSZone NXZone
+#else
+#include <stdio.h>
+#include <stdlib.h>
+
+/*
+ * This the NeXTStep zone typedef.   It is nothing like the implementation
+ * below.
+ */
+/*
+typedef struct _NSZone {
+    void *(*realloc)(struct _NSZone *zonep, void *ptr, size_t size);
+    void *(*malloc)(struct _NSZone *zonep, size_t size);
+    void (*free)(struct _NSZone *zonep, void *ptr);
+    void (*destroy)(struct _NSZone *zonep);
+} NSZone;
+*/
+
+#define MAXZONENAMELENGTH 20
+
+typedef struct _llist {
+    int Count,Size;
+    int ElementSize;
+    void *LList;
+} llist;
+
+typedef struct _NSZone {
+    void *base;
+    size_t size;
+    size_t granularity;
+    int canFree;
+    char name[MAXZONENAMELENGTH+1];
+    llist heap;
+    struct _NSZone *parent;
+} NSZone;
+
+/* 
+ * try to find the page size.   If these fail on your system,
+ * consider some other methods used by Emacs.   See the file
+ * getpagesize.h of the Emacs source code
+ */
+#ifndef vm_page_size
+#include <unistd.h>
+#ifdef _SC_PAGESIZE
+#define vm_page_size sysconf(_SC_PAGESIZE)
+#else
+#ifdef _SC_PAGE_SIZE
+#define vm_page_size sysconf(_SC_PAGE_SIZE)
+#else
+#ifndef HAVE_LIBC_H
+int getpagesize(void);
+#endif /* not HAVE_LIBC_H */
+#define vm_page_size getpagesize()
+#endif /* _SC_PAGE_SIZE */
+#endif /* _SC_PAGESIZE */
+#endif /* vm_page_size */
+
+#define NS_NOZONE  ((NSZone *)0)
+
+/*
+ * Returns the default zone used by the malloc(3) calls.
+ */
+extern NSZone *NSDefaultMallocZone(void);
+
+/* 
+ * Create a new zone with its own memory pool.
+ * If canfree is 0 the allocator will never free memory and mallocing will be fast
+ */
+extern NSZone *NSCreateZone(size_t startSize, size_t granularity, int canFree);
+
+/*
+ * Create a new zone who obtains memory from another zone.
+ * Returns NS_NOZONE if the passed zone is already a child.
+ */
+extern NSZone  *NSCreateChildZone(NSZone *parentZone, size_t startSize,
+                                  size_t granularity, int canFree);
+
+/*
+ * The zone is destroyed and all memory reclaimed.
+ */
+extern void NSDestroyZone(NSZone *zonep);
+        
+/*
+ * Will merge zone with the parent zone. Malloced areas are still valid.
+ * Must be an child zone.
+ */
+extern void NSMergeZone(NSZone *zonep);
+
+extern void *NSZoneMalloc(NSZone *zonep, size_t size);
+
+extern void *NSZoneRealloc(NSZone *zonep, void *ptr, size_t size);
+extern void NSZoneFree(NSZone *zonep, void *ptr);
+
+/*
+ * Calls NSZoneMalloc and then bzero.
+ */
+extern void *NSZoneCalloc(NSZone *zonep, size_t numElems, size_t byteSize);
+
+/*
+ * Returns the zone for a pointer.
+ * NS_NOZONE if not in any zone.
+ * The ptr must have been returned from a malloc or realloc call.
+ */
+extern NSZone *NSZoneFromPtr(void *ptr);
+
+/*
+ * Debugging Helpers.
+ */
+ 
+ /*  
+  * Will print to stdout if this pointer is in the malloc heap, free status, and size.
+  */
+extern void NSZonePtrInfo(void *ptr);
+
+/*
+ * Will verify all internal malloc information.
+ * This is what malloc_debug calls.
+ */
+extern int NSMallocCheck(void);
+
+/*
+ * Give a zone a name.
+ *
+ * The string will be copied.
+ */
+extern void NSNameZone(NSZone *z, const char *name);
+
+#endif /* __NeXT__ */
+#endif /* h_zone_NS_h */