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-rw-r--r--nest/iface.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/nest/iface.h b/nest/iface.h
index e8e4e733..8540a4de 100644
--- a/nest/iface.h
+++ b/nest/iface.h
@@ -121,6 +121,8 @@ void neigh_if_up(struct iface *);
void neigh_if_down(struct iface *);
void neigh_init(struct pool *);
+extern int if_connected(ip_addr *a, struct iface *i) /* -1=error, 1=match, 0=no match */
+
/*
* Interface Pattern Lists
*/