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-rw-r--r--common/discover.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/common/discover.c b/common/discover.c
index 6c721f26..ca4f4d55 100644
--- a/common/discover.c
+++ b/common/discover.c
@@ -3,7 +3,7 @@
Find and identify the network interfaces. */
/*
- * Copyright (c) 2004-2019 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 2004-2020 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1995-2003 by Internet Software Consortium
*
* This Source Code Form is subject to the terms of the Mozilla Public
@@ -39,7 +39,10 @@
# include <net/if6.h>
#endif
-struct interface_info *interfaces, *dummy_interfaces, *fallback_interface;
+struct interface_info *interfaces = 0;
+struct interface_info *dummy_interfaces = 0;
+struct interface_info *fallback_interface = 0;
+
int interfaces_invalidated;
int quiet_interface_discovery;
u_int16_t local_port;