C++ - dll _bstr_t to char*

char* runCOMMANDKeysight(char* cmd, char* ipaddress, char* port)
{

  _bstr_t cmd2(cmd);
  _bstr_t ipaddress2(ipaddress);
  _bstr_t port2(port);
  _bstr_t msg;
  char str[1024];

  KeysightInterface* keysight = NULL;
  CoInitialize(NULL);

  HRESULT hr = CoCreateInstance(CLSID_Keysight, NULL, CLSCTX_INPROC_SERVER, IID_KeysightInterface, reinterpret_cast<void**>(&keysight));

  if (SUCCEEDED(hr))
  {
    msg = keysight->runCOMMAND(cmd2, ipaddress2, port2);
  }

  strcpy_s(str, (char*)msg);
  return str;//str;

}