Solved: C++ send lines of text to an UDP-server

Hi guys. I have created this php-script:

<?php
$user_name1 = 3064;
$ip_adr = "192.168.50.64";
$sip_port = 2058;
$message = $argv[1];
$length = strlen($message);

$sippacket = "MESSAGE sip:$user_name1@$ip_adr:$sip_port SIP/2.0
Via: SIP/2.0/UDP 192.168.50.2:47942;branch=z9hG4bK.1a041dd5;rport;alias
To: sip:$user_name1@$ip_adr:$sip_port
Call-ID: 751288264@192.168.50.2
CSeq: 1 MESSAGE
Content-Type: text/plain
Max-Forwards: 70
User-Agent: PHP script
From: sip:phpscript@192.168.50.2:2057;tag=2cc7bfc8
Content-Length: $length

$message";

$fp = fsockopen("udp://$ip_adr", $sip_port, $errno, $errstr);
if (!$fp) {
   echo "ERROR: $errno - $errstr<br />\n";
} else {
   fwrite($fp, $sippacket);
   fclose($fp);
}
?>

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...which sends these lines of text:

MESSAGE sip:$user_name1@$ip_adr:$sip_port SIP/2.0
Via: SIP/2.0/UDP 192.168.50.2:47942;branch=z9hG4bK.1a041dd5;rport;alias
To: sip:$user_name1@$ip_adr:$sip_port
Call-ID: 751288264@192.168.50.2
CSeq: 1 MESSAGE
Content-Type: text/plain
Max-Forwards: 70
User-Agent: PHP script
From: sip:phpscript@192.168.50.2:2057;tag=2cc7bfc8
Content-Length: $length

$message

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... to 192.168.50.64 UDP port 2058. How can I accomplish this with C++ in a Mac OS X environment? I am using netbeans as IDE and please note that some of the values in the text are variables.

I am totally new to C++ :)