C / C++ / MFC

SOCKET sock = (SOCKET) wParam;
if(WSAGETSELECTERROR(lParam)){
       DeleteClient(sock);
       return;
}

switch(WSAGETSELECTEVENT(lParam)){
case FD_ACCEPT:
          sClient = accept(wParam, (struct sockaddr *)&client, &iAddrSize);
          // Add to the CPtrList
          // ......
          WSAAsyncSelect(sClient, hwnd, WM_SOCKET, FD_READ | FD_CLOSE);
          break;

case FD_READ:
          ReadData(sock);         // Paser the data.
          break;

case FD_CLOSE:
          DeleteClient(sock);     //Del from the CPtrList.
          break;

default:
          break;
}

struct MyStruct{
    int int1;
    bool bool1;
};

void MyFunction(MyStruct myStruct)
{
	cout << myStruct.bool1 << endl;
}

int _tmain(int argc, _TCHAR* argv[])
{
	list<MyStruct> structList;
	list<MyStruct>::iterator structIterator;
	
	MyStruct myStruct;
	MyStruct myStruct2;

	myStruct.int1 = 2;
	myStruct.bool1 = true;

	myStruct2.bool1 = false;
	myStruct2.int1 = 5;

	structList.push_back(myStruct);
	structList.push_back(myStruct2);

	structIterator = structList.begin();

	while (structIterator != structList.end())
	{
		MyFunction(structIterator);  
		structIterator++;
	}
	return 0;
}