taglinefilesource code
TCP_LAST_ACK2300net/inet/tcp.ccase TCP_LAST_ACK:
TCP_LAST_ACK2787net/inet/tcp.cif (sk->state == TCP_LAST_ACK || sk->state == TCP_FIN_WAIT2) 
TCP_LAST_ACK3057net/inet/tcp.csk->state = TCP_LAST_ACK;
TCP_LAST_ACK3144net/inet/tcp.csk->state = TCP_LAST_ACK;
TCP_LAST_ACK3562net/inet/tcp.ccase TCP_LAST_ACK:
TCP_LAST_ACK184net/inet/timer.c|| sk->state == TCP_LAST_ACK)