parsing bug

[Aaron Campbell]

$ uname -a
OpenBSD killswitch 2.8 GENERIC#299 i386
$ /usr/bin/tic /dev/zero
Memory fault (core dumped) 
$ /usr/bin/captoinfo /dev/zero
Memory fault (core dumped)

bash$ uname -a
Linux linux 2.2.17 #1 Fri Sep 8 15:49:43 ADT 2000 i686 unknown
bash$ /usr/bin/tic /dev/zero      
Segmentation fault (core dumped)
bash$ /usr/bin/captoinfo /dev/zero
Segmentation fault (core dumped)

As far as I can see, tic calls nc_read_entry_source, then that calls
nc_parse_entry, etc. etc. Don't really feel like following the whole
chain, thought I'd report it here instead. :)

Aaron