warning C4190:有指定的 C 链接,但回到了与 C 不兼容的 UDT

warning C4190:有指定的 C 链接,但返回了与 C 不兼容的 UDT
返回一个自定义义结构，出现的警告

C/C++ code

// C4190.cpp// compile with: /W1 /LDstruct X{   int i;   X ();   virtual ~X ();};extern "C" X func ();   // C4190

C/C++ code

class ConnectAddrInfo{public:    ConnectAddrInfo()    {        nSrcIp = 0;        nSrcPort = 0;        nDstIp = 0;        nDstPort = 0;    }    unsigned int nSrcIp;    unsigned short nSrcPort;    unsigned int nDstIp;    unsigned short nDstPort;};

C/C++ code

ConnectAddrInfo NetObject::GetConnectAddrInfo(){    return ConnectAddrInfo();}