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-rw-r--r--lib/sockopt.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/sockopt.h b/lib/sockopt.h
index aced6d489f..cb14efc7ba 100644
--- a/lib/sockopt.h
+++ b/lib/sockopt.h
@@ -100,6 +100,7 @@ extern int getsockopt_ifindex (int, struct msghdr *);
extern void sockopt_iphdrincl_swab_htosys (struct ip *iph);
extern void sockopt_iphdrincl_swab_systoh (struct ip *iph);
+extern int sockopt_tcp_rtt (int);
extern int sockopt_tcp_signature(int sock, union sockunion *su,
const char *password);
#endif /*_ZEBRA_SOCKOPT_H */