Extern or forward variable declaration at include/net/netfilter/nf_conntrack.h, line 224 References: include/net/netfilter/nf_conntrack.h, line 224 include/net/netfilter/nf_conntrack.h, line 249 net/ipv4/netfilter/nf_nat_core.c, line 664 net/ipv4/netfilter/nf_nat_standalone.c, line 107 net/netfilter/nf_conntrack_core.c, line 59 net/netfilter/nf_conntrack_core.c, line 60 net/netfilter/nf_conntrack_core.c, line 980 net/netfilter/nf_conntrack_core.c, line 1132 net/netfilter/nf_conntrack_core.c, line 1134 net/netfilter/nf_conntrack_netlink.c, line 350 net/netfilter/xt_conntrack.c, line 41 net/netfilter/xt_NOTRACK.c, line 30