Add Qt libs and headers

paho-mqtt3as-proxy/Qt/include/QtNetwork/qtcpsocket.h

@@ -0,0 +1,43 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QTCPSOCKET_H
+#define QTCPSOCKET_H
+
+#include <QtNetwork/qtnetworkglobal.h>
+#include <QtNetwork/qabstractsocket.h>
+#include <QtNetwork/qhostaddress.h>
+#include <QtCore/qvariant.h>
+
+QT_BEGIN_NAMESPACE
+
+
+class QTcpSocketPrivate;
+
+class Q_NETWORK_EXPORT QTcpSocket : public QAbstractSocket
+{
+    Q_OBJECT
+public:
+    explicit QTcpSocket(QObject *parent = nullptr);
+    virtual ~QTcpSocket();
+
+#if QT_VERSION < QT_VERSION_CHECK(7,0,0) && !defined(Q_QDOC)
+    // ### Qt7: move into QAbstractSocket
+    using QAbstractSocket::bind;
+    bool bind(QHostAddress::SpecialAddress addr, quint16 port = 0, BindMode mode = DefaultForPlatform)
+    { return bind(QHostAddress(addr), port, mode); }
+#endif
+
+protected:
+    QTcpSocket(QTcpSocketPrivate &dd, QObject *parent = nullptr);
+    QTcpSocket(QAbstractSocket::SocketType socketType, QTcpSocketPrivate &dd,
+               QObject *parent = nullptr);
+
+private:
+    Q_DISABLE_COPY_MOVE(QTcpSocket)
+    Q_DECLARE_PRIVATE(QTcpSocket)
+};
+
+QT_END_NAMESPACE
+
+#endif // QTCPSOCKET_H