>>-TCPHDR--+-tcp_header_address--------+--+------+-------------->
+-tcp_control_block_address-+ +-size-+
+-skdb_address--------------+ '-*----'
+-skmb_address--------------+
'-*-------------------------'
>--+--------------------------+--------------------------------><
| .-ALL------. |
'-HELP--(--+----------+--)-'
+-FUNCTION-+
+-OPERANDS-+
'-SYNTAX---'