--- Libc/Libc-583/include/crt_externs.h
+++ Libc/Libc-320/include/crt_externs.h
@@ -2,6 +2,8 @@
  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
+ * 
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
@@ -38,10 +40,5 @@
 extern int *_NSGetArgc(void);
 extern char ***_NSGetEnviron(void);
 extern char **_NSGetProgname(void);
-#ifdef __LP64__
-extern struct mach_header_64 *
-#else /* !__LP64__ */
-extern struct mach_header *
-#endif /* __LP64__ */
-				_NSGetMachExecuteHeader(void);
+extern struct mach_header *_NSGetMachExecuteHeader(void);
 __END_DECLS