# just the basics
use strict;
use warnings;

use Socket;

    # start up the server
socket    (SERVER, PF_INET, SOCK_STREAM, getprotobyname('tcp'));
setsockopt(SERVER, SOL_SOCKET, SO_REUSEADDR, 1);

    # My book says to use inet_aton($host)
    # that would be inet_aton('localhost')
    # but inet_aton seems to return v127.0.0.1 so I prefer to use that

my $addr = sockaddr_in(110, v127.0.0.1);
bind(SERVER, $addr)         or die "Could not bind to port";
listen(SERVER, SOMAXCONN)   or die "Could nit listen to port";

my $lines = 0; # how many lines are sent by the client
my $line;      # current line

accept(CLIENT, SERVER);

    # just to be sure:    
binmode CLIENT;  
binmode SERVER;

print "Nieuwe verbinding...\n";  # Dutch for 'new connection'

    # new connection? Send something to client
print CLIENT "+OK\n";

# ... code goes on, but the above line seems never sended to the client.