C / C++ / MFC

while (totalbyteswritten != totalsize)
{
   CeWriteFile(hDest, buff+totalbyteswritten, min(chunksize, totalsize-totalbyteswritten), &byteswritten, 0))
  
    totalbyteswritten += byteswritten;
    // update gui here as you see fit
}

char b[sizeof(int)];
int i=*reinterpret_cast<int *>(&b);
...
int i=...;
char b[4];
mempcy(b,&i,sizeof(int));

AgxGetApp()->SetDialogBkColor( COLORREF clrCtlBk = RGB(192, 192, 192), COLORREF clrCtlText = RGB(0, 0, 0) );

while (::RegEnumKeyEx(hKey, i++, achKey, &cbName, NULL, NULL, NULL, &ftLastWriteTime) == ERROR_NO_MORE_ITEMS)
    ...

s_recv sRecv; // Receive structure
int nRecvSize = 0;
char outBuff[sizeof(s_recv)];

while(nRecvSize < sizeof(s_recv))
{	
	char inBuff[sizeof(s_recv)];
	int nRecv = recv((SOCKET)wParam, inBuff, sizeof(inBuff), 0);
	
	TRACE("Received %d of %d\n", nRecv, sizeof(s_recv));

	if(nRecv == SOCKET_ERROR)
	{
		TRACE("MainFrm Recv Error %d\n", WSAGetLastError());
		break;
	}
	else
	{
		if(nRecv == 0)
			break;
		
		// If we didn't receive the whole structure keep looping
		// until we do.
		strcat(outBuff, inBuff); // This doesn't work how I want it to..
		
		nRecvSize = nRecvSize + nRecv;
	}
}
 
// Finally copy the whole receive buffer into the structure..
memcpy(&sRecv, outBuff, sizeof(outBuff));

int nOffset = 0;
...
memcpy(outBuff + nOffset, inBuff, nRecv);
nOffset += nRecv;