tcps_rcvackbyte
tcpstat_pkt(tcps_rcvackpack, tcps_rcvackbyte, acked);
tcpstat_pkt(tcps_rcvackpack, tcps_rcvackbyte,
ASSIGN(tcps_rcvackbyte);
u_int64_t tcps_rcvackbyte; /* bytes acked by rcvd acks */
p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%u ack%s (for %llu byte%s)\n");