Function prototype or declaration at net/ipv4/tcp.c, line 1971 References: net/ipv4/tcp.c, line 331 net/ipv4/tcp.c, line 662 net/ipv4/tcp.c, line 1445 net/ipv4/tcp.c, line 1839 net/ipv4/tcp.c, line 1850 net/ipv4/tcp.c, line 1971 net/ipv4/tcp.c, line 2022 net/ipv4/tcp.c, line 2027 net/ipv4/tcp.c, line 2036 net/ipv4/tcp.c, line 2168 net/ipv4/tcp.c, line 2174 net/ipv4/tcp.c, line 2251 net/ipv4/tcp.c, line 2270 net/ipv4/tcp.c, line 2378 net/ipv4/tcp.c, line 3121