--- global_structures.h.orig	Tue Feb 16 00:04:11 1999
+++ global_structures.h	Tue Feb 16 00:04:31 1999
@@ -162,6 +162,7 @@
   int udpscan;
   int noresolve;
   int force; /* force nmap to continue on even when the outcome seems somewhat certain */
+  int vulnerability_scan;
   FILE *logfd; /* Output log file descriptor */
   FILE *machinelogfd; /* Machine parseable log file descriptor */
 };