SE_UNKNOWN_DOMAIN</DT><DD>
The Socket library didn't recognize the domain name.</DD>
<DT>
SE_DESTINATION_UNREACHABLE</DT><DD>
The requested destination address was unreachable over the network.</DD>
<DT>
SE_LINK_FAILED</DT><DD>
The low-level link used for this connection failed or could not be established. There may have been a problem with the physical connection or with the domain-specific software.</DD>
<DT>
SE_SYSTEM_SHUTDOWN</DT><DD>
This error signals that GEOS is shutting down. Your program should pr