Re-implement for unix target, address checking in ND_Address_Check: now use sigaction() and siglingjmp() instead of signal().

Minor code clean-up.

include/node.h

@@ -1,9 +1,9 @@
 /*---------------------------------------------------------------------------------*/
 /* $RCSfile: node.h,v $					       			   */
 /*---------------------------------------------------------------------------------*/
-/* $Revision: 2.7 $			      					   */
+/* $Revision: 2.8 $			      					   */
 /* $Name:  $									   */
-/* $Date: 2004/08/01 23:18:37 $							   */
+/* $Date: 2004/08/02 21:26:03 $							   */
 /* $Author: agibert $								   */
 /*---------------------------------------------------------------------------------*/
 
@@ -37,10 +37,9 @@
 extern "C" {
 #endif
 
-#include <stdio.h>
 #include <stdlib.h>
+#include <stdio.h>
 #include <string.h>
-#include <signal.h>
 #include <stdarg.h>
 
 #ifdef _LIBVER_SUPPORT