Extern or forward variable declaration at include/net/netfilter/nf_conntrack_l4proto.h, line 16 References: net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 28 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 44 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 59 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 69 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 76 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 82 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 88 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 182 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 196 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 211 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 221 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 228 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 234 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 240 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 286 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 304 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 319 net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c, line 323 net/netfilter/nf_conntrack_expect.c, line 430 net/netfilter/nf_conntrack_expect.c, line 444 net/netfilter/nf_conntrack_expect.c, line 459 net/netfilter/nf_conntrack_expect.c, line 469 net/netfilter/nf_conntrack_expect.c, line 476 net/netfilter/nf_conntrack_expect.c, line 482 net/netfilter/nf_conntrack_expect.c, line 488 net/netfilter/nf_conntrack_standalone.c, line 34 net/netfilter/nf_conntrack_standalone.c, line 47 net/netfilter/nf_conntrack_standalone.c, line 63 net/netfilter/nf_conntrack_standalone.c, line 78 net/netfilter/nf_conntrack_standalone.c, line 88 net/netfilter/nf_conntrack_standalone.c, line 95 net/netfilter/nf_conntrack_standalone.c, line 101 net/netfilter/nf_conntrack_standalone.c, line 108 net/netfilter/nf_conntrack_standalone.c, line 195 net/netfilter/nf_conntrack_standalone.c, line 213 net/netfilter/nf_conntrack_standalone.c, line 228 net/netfilter/nf_conntrack_standalone.c, line 232