adas

 if((count = recvfrom(_socket, buffer_2, BUFSIZE, 0, (struct sockaddr*) &addr, &_addr)) == -1){
            cerr << "Error recv data";
            return -1;
        }

        printPacket(buffer_2, count);           // prijde mi OACK

        char myString[100];
        char first_answer[100];

        int i = 0;
        int j = 2;

        while(i < count-1){
            myString[i] = buffer_2[j];
            atoi(myString);
            if( myString[i] == 0 ){
                break;
            }
            i++;
            j++;
        }

     printPacket(myString, i);      // tady je napsany tsize

        int xx = 0;


        i++;
        i++;
        i++;

        while(i < count){
            first_answer[xx] = buffer_2[i];


            //printf("%d\n",first_answer[xx]);

            atoi(first_answer);
            if(first_answer[xx] == 0){
                //printf("%d\n",first_answer[xx]);
                if(buffer_2[++i] == 't'){           // podminka, pokud bude dalsi znak t - jako timeout,
                                // blksize jsem k tomu jeste neresil
                    break;
                }
                else if(buffer_2[++i] == '\0'){
                    break;
                }
            }

            i++;
            xx++;
        }

        printPacket(first_answer, (xx));