#include <QtNetwork/qnetworkinterface.h> #ifndef QNETWORKINTERFACE_H class QNetworkInterface{ /* Some contents are skipped to improve readability */ public: enum InterfaceFlag{ IsUp = 1, IsRunning = 2, CanBroadcast = 4, IsLoopBack = 8, IsPointToPoint = 16, CanMulticast = 32, }; /* ... */ }; #endif