[PWŚS] TCP Normalizacja

#include "stdafx.h"
#include <winsock.h>
#include <conio.h>

#pragma comment(lib,"ws2_32.lib")

void main()
{
    WSADATA wsadata;
    if( WSAStartup(MAKEWORD(2,2), &wsadata) != 0)
    {
        printf("WSAStartup failed with error: %d\n", WSAGetLastError());
        _getch();
        return;
    }

    SOCKET s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
    if (s == INVALID_SOCKET)
    {
        WSACleanup();
        printf("Creating socket failed with error: %d\n", WSAGetLastError());
        _getch();
        return;
    }
    sockaddr_in serwer;
    serwer.sin_family = AF_INET;
    serwer.sin_port = htons(7801);
    serwer.sin_addr.s_addr = inet_addr("192.168.0.13");

    while(true)
    {
        if(connect(s, (sockaddr*) &serwer, sizeof(serwer)) < 0)
        {
            printf("Polaczenie z serwerem nieudane!\n");
            _getch();
            continue;
        }
        send(s, "NORM", sizeof("NORM"), 0);

        while (true)
        {
            signed char znak;
            int ilosc, wartosc, Result;
            Result = recv(s, (char*)&znak, sizeof(znak), 0);
            if (Result == SOCKET_ERROR)
            {
                break;
            }
            wartosc = znak;
            ilosc = abs(wartosc);
            float *tab = new float[ilosc];

            Result = recv(s, (char*)&(*tab), sizeof(float) * ilosc, 0);
            if (Result == SOCKET_ERROR)
            {
                break;
            }

            int min, max, newMin, newMax = 1;
            min = max = tab[0];

            printf("Otrzymane liczby:\n");

            for (int i = 0; i < ilosc; i++)
            {
                printf("%f; ", tab[i]);
                if (tab[i] < min)
                    min = tab[i];
                else if (tab[i] > max)
                    max = tab[i];
            }
            if (wartosc < 0)
            {
                newMin = -1;
            }
            else if (wartosc > 0)
            {
                newMin = 0;
            }
            else
            {
                continue;
            }
            printf("\nZnormalizowane liczby do przedzialu <%d, %d>:\n", newMin, newMax);
            for (int i = 0; i < ilosc; i++)
            {
                tab[i] = newMin + (((tab[i] - min) * (newMax - newMin)) / (max - min) );
                printf("%f; ", tab[i]);
            }
            delete[] tab;
            getch();
        }
    }

    printf("Konczenie dzialania programu\n");
    shutdown(s, 2);
    closesocket(s);
    WSACleanup();
    getch();
}