C / C++ / MFC

std::vector<char> v(1);
size_t extra_space=0;
int len=0;
do
{
  if(!extra_space){ 
    v.resize(v.size()+512);
    extra_space=511; // reserve one char for the terminating null
  }
  char * p=&v[0]+v.size()-extra_space-1;
  len= recv(socket, p, extra_space, 0);
  extra_space-=len;
}while (len > 0);
v[v.size()-extra_space-1]='0';

template <typename A> class MyTemplateClass{...};
 
template <> MyTemplateClass<int>{...}; // full specialization for ints
template <typename A> MyTemplateClass<A *>{...}; // partial specialization for pointers

static UINT run(LPVOID p);
void run();
volatile BOOL running;

void CMyView::TransferFile()
    {
     running = TRUE;
     AfxBeginThread(run, this);
    }
 
UINT CMyView::run(LPVOID p)
    {
     CMyView * me = (CMyView *)p;
     me->run();
     return 0;
    }
 
void CMyView::run()
   {
     // do the transfer
    running = FALSE;
   }