>>-ICMPHDR--+-icmp_address-+--+------+-------------------------->
+-skdb_address-+ +-size-+
+-skmb_address-+ '-*----'
'-*------------'
>--+--------------------------+--------------------------------><
| .-ALL------. |
'-HELP--(--+----------+--)-'
+-FUNCTION-+
+-OPERANDS-+
'-SYNTAX---'