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-rw-r--r--sys/netinet/ip_var.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/netinet/ip_var.h b/sys/netinet/ip_var.h
index be83cde..ff616fb 100644
--- a/sys/netinet/ip_var.h
+++ b/sys/netinet/ip_var.h
@@ -147,6 +147,7 @@ extern u_short ip_id; /* ip packet ctr, for ids */
#endif
extern int ip_defttl; /* default IP ttl */
extern int ipforwarding; /* ip forwarding */
+extern int ip_doopts; /* process or ignore IP options */
#ifdef IPSTEALTH
extern int ipstealth; /* stealth forwarding */
#endif
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