I posted a question a few hours ago about the strange problems
I had been having with some FreeBSD systems and the use of /dev/ttyd0
as an input device for logging data.
After searching the FreeBSD handbook, I found the discussion
of the "callout ports" cuaaN which do not use hardw
I wrote a C program that opens /dev/ttyd0 for reading data
from an external device. I had beginner's luck because it worked in
Linux (actually that device is called /dev/ttyS0) and on the first
FreeBSD box I tried it as /dev/ttyd0. The /etc/ttys file had
/dev/ttyd0 set to off so there was
