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diff --git a/src/network/socket/qudpsocket.h b/src/network/socket/qudpsocket.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QUDPSOCKET_H
+#define QUDPSOCKET_H
+
+#include <QtNetwork/qabstractsocket.h>
+#include <QtNetwork/qhostaddress.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Network)
+
+#ifndef QT_NO_UDPSOCKET
+
+class QUdpSocketPrivate;
+
+class Q_NETWORK_EXPORT QUdpSocket : public QAbstractSocket
+{
+    Q_OBJECT
+public:
+    enum BindFlag {
+        DefaultForPlatform = 0x0,
+        ShareAddress = 0x1,
+        DontShareAddress = 0x2,
+        ReuseAddressHint = 0x4
+    };
+    Q_DECLARE_FLAGS(BindMode, BindFlag)
+
+    explicit QUdpSocket(QObject *parent = 0);
+    virtual ~QUdpSocket();
+
+    bool bind(const QHostAddress &address, quint16 port);
+    bool bind(quint16 port = 0);
+    bool bind(const QHostAddress &address, quint16 port, BindMode mode);
+    bool bind(quint16 port, BindMode mode);
+    // ### Qt 5: Merge the bind functions
+
+    bool hasPendingDatagrams() const;
+    qint64 pendingDatagramSize() const;
+    qint64 readDatagram(char *data, qint64 maxlen, QHostAddress *host = 0, quint16 *port = 0);
+    qint64 writeDatagram(const char *data, qint64 len, const QHostAddress &host, quint16 port);
+    inline qint64 writeDatagram(const QByteArray &datagram, const QHostAddress &host, quint16 port)
+        { return writeDatagram(datagram.constData(), datagram.size(), host, port); }
+
+private:
+    Q_DISABLE_COPY(QUdpSocket)
+    Q_DECLARE_PRIVATE(QUdpSocket)
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QUdpSocket::BindMode)
+
+#endif // QT_NO_UDPSOCKET
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QUDPSOCKET_H