From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Thu, 18 Mar 1999 09:40:11 +0000
From: forsyth@caldo.demon.co.uk forsyth@caldo.demon.co.uk
Subject: [9fans] socket
Topicbox-Message-UUID: 93bcc03c-eac8-11e9-9e20-41e7f4b1d025
Message-ID: <19990318094011.DVhr_RXCG36O6WFDGnbsFtxKwIPb-lKAeKVdAr0UxiE@z>

you can ignore the keepalive option; you don't need it.
i can't remember what SO_BROADCAST was supposed to do.
it's possible you don't need that either.