Returns the local address and port number for an async-io-state state that has a connected socket.
async-io-state-peer-address async-io-state => address, port
An integer, an ipv6-address or
An integer or
async-io-state-peer-address returns the remote address and port number for async-io-state if it has a socket which is connected.
address is the remote host address of the socket in the state.
port is the remote port number of the socket in the state.
For an unconnected socket both address and port are
LispWorks User Guide and Reference Manual - 20 Sep 2017