Rev 1.13 deraadt:
do not warn about valid options; invalid options correctly quit
Rev 1.12 deraadt:
need not clear options since bad ones cause exit;
provos@ws1.physnet.uni-hamburg.de
Rev 1.11 deraadt:
IPOPT_LSRR/IPOPT_SSRR must exit() due to tcp sequencing; pointed
out by provos@wserver.physnet.uni-hamburg.de. also another 1-char
buffer overflow.
Reviewed by: Peter Wemm
Obtained from: OpenSBD
2631d5a8d1