tag	line	file	source code
res2	1073	net/tcp/sock.c	sk->dummy_th.res2=0;
res2	135	net/tcp/tcp.c	th->res1, th->res2));
res2	619	net/tcp/tcp.c	t1->res2=0;
res2	1029	net/tcp/tcp.c	t1->res2=0;
res2	1709	net/tcp/tcp.c	newsk->dummy_th.res2=0;
res2	1778	net/tcp/tcp.c	t1->res2=0;
res2	2618	net/tcp/tcp.c	t1->res2=0;
res2	2760	net/tcp/tcp.c	t1->res2=0;
res2	3343	net/tcp/tcp.c	t1->res2= 0;
res2	61	net/tcp/tcp.h	ack:1, urg:1,res2:2;