--- Libc/Libc-320.1.3/sys/sigaction.c
+++ Libc/Libc-262.2.12/sys/sigaction.c
@@ -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
@@ -27,7 +29,6 @@
  */
 
 #include <sys/syscall.h>
-#include <unistd.h>
 #include <signal.h>
 #include <sys/signal.h>
 #include <errno.h>
@@ -48,6 +49,8 @@
 	register struct sigaction *nsv, *osv;
         int bind;
 {
+	struct sigaction vec;
+	void (*prevsig)();
 	extern void _sigtramp();
 	struct __sigaction sa;
 	struct __sigaction *sap;