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#include <QtCore>
#include <QtNetwork>

int main(int argc, char** argv)
{
	QCoreApplication app(argc, argv);
	QNetworkProxy proxy;
	proxy.setType(QNetworkProxy::HttpProxy);
	proxy.setHostName("10.10.10.202");
	proxy.setPort(8080);
	proxy.setUser("username");
	proxy.setPassword("password");
	QNetworkProxy::setApplicationProxy(proxy);
	QTcpSocket s;
	s.setProxy(proxy);
	s.connectToHost(QHostAddress(QString("74.125.77.147")), 80, QIODevice::ReadWrite);
	if(s.waitForConnected(2000)) {
		qDebug() << "connectToHost!";
		s.disconnectFromHost();
	} else {
		qDebug() << s.error();
		qDebug() << s.errorString();
	}
	return 0;
}

s.connectToHost(QHostAddress("74.125.77.147"), 80, QIODevice::ReadWrite);

qDebug() << QHostInfo::fromName(QString("google.com")).addresses();

	 QHostInfo hi(QHostInfo::fromName("google.com"));
	 qDebug() << hi.addresses() << "hi";
	qDebug() << hi.error();
	qDebug() << hi.errorString();