remove clumsy stack hack. fix exec. fix nthreads maintenance. fix threadexitsall not to kill self. add sun support.

use $HOME/mnt/plumb as named pipe.

change %u from verb to flag.

Turn window destruction into "hangup" note. Fix (?) snarf buffer management. Add latin1 keyboard translation.

add Bfdopen.

the .C files compile but are renamed to avoid building automatically.

not a clear win over byron's, but at least it has the right syntax.