HelenOS sources

st_last_ack       407 uspace/srv/net/tcp/conn.c 		tcp_conn_state_set(conn, st_last_ack);
st_last_ack       503 uspace/srv/net/tcp/conn.c 	case st_last_ack:
st_last_ack       722 uspace/srv/net/tcp/conn.c 	case st_last_ack:
st_last_ack       991 uspace/srv/net/tcp/conn.c 	case st_last_ack:
st_last_ack      1039 uspace/srv/net/tcp/conn.c 	case st_last_ack:
st_last_ack      1153 uspace/srv/net/tcp/conn.c 		case st_last_ack:
st_last_ack      1297 uspace/srv/net/tcp/conn.c 	case st_last_ack:
HelenOS homepage, sources at GitHub