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+/*
+ * Copyright (c) 1998-2006 The TCPDUMP project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code
+ * distributions retain the above copyright notice and this paragraph
+ * in its entirety, and (2) distributions including binary code include
+ * the above copyright notice and this paragraph in its entirety in
+ * the documentation or other materials provided with the distribution.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
+ * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
+ * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE.
+ *
+ * Original code by Hannes Gredler (hannes@gredler.at)
+ */
+
+extern const struct tok af_values[];
+extern const struct tok bsd_af_values[];
+
+/* RFC1700 address family numbers */
+#define AFNUM_INET 1
+#define AFNUM_INET6 2
+#define AFNUM_NSAP 3
+#define AFNUM_HDLC 4
+#define AFNUM_BBN1822 5
+#define AFNUM_802 6
+#define AFNUM_E163 7
+#define AFNUM_E164 8
+#define AFNUM_F69 9
+#define AFNUM_X121 10
+#define AFNUM_IPX 11
+#define AFNUM_ATALK 12
+#define AFNUM_DECNET 13
+#define AFNUM_BANYAN 14
+#define AFNUM_E164NSAP 15
+#define AFNUM_VPLS 25
+/* draft-kompella-ppvpn-l2vpn */
+#define AFNUM_L2VPN 196 /* still to be approved by IANA */
+
+/*
+ * BSD AF_ values.
+ *
+ * Unfortunately, the BSDs don't all use the same value for AF_INET6,
+ * so, because we want to be able to read captures from all of the BSDs,
+ * we check for all of them.
+ */
+#define BSD_AFNUM_INET 2
+#define BSD_AFNUM_NS 6 /* XEROX NS protocols */
+#define BSD_AFNUM_ISO 7
+#define BSD_AFNUM_APPLETALK 16
+#define BSD_AFNUM_IPX 23
+#define BSD_AFNUM_INET6_BSD 24 /* NetBSD, OpenBSD, BSD/OS, Npcap */
+#define BSD_AFNUM_INET6_FREEBSD 28 /* FreeBSD */
+#define BSD_AFNUM_INET6_DARWIN 30 /* macOS, iOS, other Darwin-based OSes */