C / C++ / MFC

maheen zahra wrote:

please send me topics

maheen zahra wrote:

<layer> or data

maheen zahra wrote:

that are related to loops&functions

while(stillstupid  || stilllazy)
{
buybook(*dollars);
readbook(*brain);
understand(*hardwork);
)

makemoney(*moredollars);

Class Math <---  error
{
public float add(float a, float b)
{
return a+b;
}
}<---  error

char*               szSendBuf                       = "STX";
    char                recvbuf[DEFAULT_BUFLEN];
    int                 iResult;
    int                 recvbuflen                      = DEFAULT_BUFLEN;

    // Initialize Winsock
    iResult = WSAStartup(MAKEWORD(2,2), &wsaData);
    if (iResult != 0) {
        printf("WSAStartup failed with error: %d\n", iResult);
        return 1;
    }

    ZeroMemory( &hints, sizeof(hints) );
    hints.ai_family = AF_INET;
    hints.ai_socktype = SOCK_DGRAM;
    hints.ai_protocol = IPPROTO_UDP;

    // Resolve the server address and port
    iResult = getaddrinfo(
        "255.255.255.255",
        "ms-sql-m",
        &hints,
        &result
    );

    if ( iResult != 0 ) {
        printf("getaddrinfo failed with error: %d\n", iResult);
        WSACleanup();
        //return 1;
    }

    // Attempt to connect to an address until one succeeds
    for(ptr=result; ptr != NULL ;ptr=ptr->ai_next) {

        // Create a SOCKET for connecting to server
        ConnectSocket = socket(ptr->ai_family, ptr->ai_socktype, ptr->ai_protocol);

        if (ConnectSocket == INVALID_SOCKET) {
            printf("socket failed with error: %ld\n", WSAGetLastError());
            WSACleanup();
            return 1;
        }

        // Connect to server.
        iResult = connect( ConnectSocket, ptr->ai_addr, (int)ptr->ai_addrlen);
        if (iResult == SOCKET_ERROR) {
            closesocket(ConnectSocket);
            ConnectSocket = INVALID_SOCKET;
            continue;
        }
        break;
    }

    freeaddrinfo(result);

    if (ConnectSocket == INVALID_SOCKET) {
        printf("Unable to connect to server!\n");
        WSACleanup();
        return 1;
    }

    // Send an initial buffer
    iResult = send(
        ConnectSocket,
        szSendBuf,
        (int)strlen(szSendBuf),
        0
    );

//Only define data here not the UDP header info
const char RequestBuffer[] = {0xff,0xff,...,0x02} //pseudo-code, enter all numbers one byte at a time
//Remember char type is one byte... and one byte is two hex digits