//====================TCP====================================
    char a, b, w;

    struct sockaddr_in k;

    k.sin_family=AF_INET;
    k.sin_port=htons(parametry->number_port);
    //sprawdzić czy oddaje -1

    if((inet_pton(AF_INET, "127.0.0.1", &k.sin_addr.s_addr)) != 1)
    {
        printf("pton error\n");
        exit(1);
    }

    int sa;
    sa=socket(PF_INET, SOCK_STREAM, 0);

    if(sa==-1)
    {
        printf("socket error\n");
        exit(1);
    }

    if((connect(sa, (struct sockaddr*) &k, sizeof(k)) ==-1))// sa?
    {
        printf("connect error\n");
        exit(1);
    }