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diff --git a/src/network/kernel/qnetworkinterface.h b/src/network/kernel/qnetworkinterface.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtNetwork module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QNETWORKINTERFACE_H
+#define QNETWORKINTERFACE_H
+
+#include <QtCore/qshareddata.h>
+#include <QtCore/qscopedpointer.h>
+#include <QtNetwork/qhostaddress.h>
+
+#ifndef QT_NO_NETWORKINTERFACE
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Network)
+
+template<typename T> class QList;
+
+class QNetworkAddressEntryPrivate;
+class Q_NETWORK_EXPORT QNetworkAddressEntry
+{
+public:
+    QNetworkAddressEntry();
+    QNetworkAddressEntry(const QNetworkAddressEntry &other);
+    QNetworkAddressEntry &operator=(const QNetworkAddressEntry &other);
+    ~QNetworkAddressEntry();
+    bool operator==(const QNetworkAddressEntry &other) const;
+    inline bool operator!=(const QNetworkAddressEntry &other) const
+    { return !(*this == other); }
+
+    QHostAddress ip() const;
+    void setIp(const QHostAddress &newIp);
+
+    QHostAddress netmask() const;
+    void setNetmask(const QHostAddress &newNetmask);
+    int prefixLength() const;
+    void setPrefixLength(int length);
+
+    QHostAddress broadcast() const;
+    void setBroadcast(const QHostAddress &newBroadcast);
+
+private:
+    QScopedPointer<QNetworkAddressEntryPrivate> d;
+};
+
+class QNetworkInterfacePrivate;
+class Q_NETWORK_EXPORT QNetworkInterface
+{
+public:
+    enum InterfaceFlag {
+        IsUp = 0x1,
+        IsRunning = 0x2,
+        CanBroadcast = 0x4,
+        IsLoopBack = 0x8,
+        IsPointToPoint = 0x10,
+        CanMulticast = 0x20
+    };
+    Q_DECLARE_FLAGS(InterfaceFlags, InterfaceFlag)
+    
+    QNetworkInterface();
+    QNetworkInterface(const QNetworkInterface &other);
+    QNetworkInterface &operator=(const QNetworkInterface &other);
+    ~QNetworkInterface();
+
+    bool isValid() const;
+
+    int index() const;
+    QString name() const;
+    QString humanReadableName() const;
+    InterfaceFlags flags() const;
+    QString hardwareAddress() const;
+    QList<QNetworkAddressEntry> addressEntries() const;
+
+    static QNetworkInterface interfaceFromName(const QString &name);
+    static QNetworkInterface interfaceFromIndex(int index);
+    static QList<QNetworkInterface> allInterfaces();
+    static QList<QHostAddress> allAddresses();
+
+private:
+    friend class QNetworkInterfacePrivate;
+    QSharedDataPointer<QNetworkInterfacePrivate> d;
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QNetworkInterface::InterfaceFlags)
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_NETWORK_EXPORT QDebug operator<<(QDebug debug, const QNetworkInterface &networkInterface);
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QT_NO_NETWORKINTERFACE
+
+#endif