Well we got a real reply.

Why did c2 work and client not?

Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Parsing the returned packet mostly.

No idea what YI, etc. etc. are.

Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Further progress, time to merge with upstream, which won't be fun.

Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
renaming c2.go to the right new place in src/cmds/dhcp

Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>