[fpc-pascal] lNet getting the local IP

[Marco van de Voort]

In our previous episode, Felipe Monteiro de Carvalho said:

> function ChessGetLocalIP(): string;

>         VProcess.CommandLine :=
>           'sh -c "ifconfig eth0 | awk ''/inet end/ {print $3}''"';


Fails if eth0 is not the primary NIC. Doesn't work on non-linux (that use
other ethernet naming schemes)

A safe solution will probably boil down to walking the list of ethernet
adapters and routes to find the default route on *nix.