As reported by Dmitry Levin, the TC_NUM_RULES and TC_GET_RULE exports
clash. His patch below, resolving bug #456
#define TC_FREE iptc_free
#define TC_COMMIT iptc_commit
#define TC_STRERROR iptc_strerror
+#define TC_NUM_RULES iptc_num_rules
+#define TC_GET_RULE iptc_get_rule
#define TC_AF AF_INET
#define TC_IPPROTO IPPROTO_IP
#define TC_FREE ip6tc_free
#define TC_COMMIT ip6tc_commit
#define TC_STRERROR ip6tc_strerror
+#define TC_NUM_RULES ip6tc_num_rules
+#define TC_GET_RULE ip6tc_get_rule
#define TC_AF AF_INET6
#define TC_IPPROTO IPPROTO_IPV6