How to process information from Ethercard

Using Arduino Networking, Protocols, and Devices
3 
// Includes and defines

#include <EtherCard.h>

#define REQUEST_RATE 5000 // milliseconds

static byte mymac[] = { 0x74,0x69,0x69,0x2D,0x30,0x31 };

char website[] PROGMEM = "jecom.nl";

byte Ethernet::buffer[700];
static long timer;

// called when the client request is complete
static void my_result_cb (byte status, word off, word len) {
  Serial.print("<<< reply ");
  Serial.print(millis() - timer);
  Serial.println(" ms");
  Serial.println((const char*) Ethernet::buffer + off);
}

#include <SoftwareSerial.h>

int  val = 0; 
char code[10]; 
char route[] = "020083741B";
int bytesread = 0; 

#define rxPin 7
#define txPin 6



void setup () {
  Serial.begin(57600);
  Serial.println("\n[getDHCPandDNS]");
  
  if (ether.begin(sizeof Ethernet::buffer, mymac) == 0) 
    Serial.println( "Failed to access Ethernet controller");

  if (!ether.dhcpSetup())
    Serial.println("DHCP failed");
  
  ether.printIp("My IP: ", ether.myip);
  // ether.printIp("Netmask: ", ether.mymask);
  ether.printIp("GW IP: ", ether.gwip);
  ether.printIp("DNS IP: ", ether.dnsip);

  if (!ether.dnsLookup(website))
    Serial.println("DNS failed");
  ether.printIp("Server: ", ether.hisip);
  
  timer = - REQUEST_RATE; // start timing out right away
}

void loop()
{
  ether.packetLoop(ether.packetReceive());
  
  SoftwareSerial RFID = SoftwareSerial(rxPin,txPin); 
  RFID.begin(2400);

  if((val = RFID.read()) == 10)
  {   // check for header 
    bytesread = 0; 
    while(bytesread<10)
    {  // read 10 digit code 
      val = RFID.read(); 
      if((val == 10)||(val == 13))
      {  // if header or stop bytes before the 10 digit reading 
        break;                       // stop reading 
      } 
      code[bytesread] = val;         // add the digit       
      bytesread++;                   // ready to read next digit  
    } 

    if(bytesread == 10)
    {  // if 10 digit read is complete 
      Serial.print("TAG code is: ");   // possibly a good TAG 
      Serial.println(code);            // print the TAG code 
      
      if (millis() > timer + REQUEST_RATE) {
    timer = millis();
    Serial.println("\n>>> REQ");
    ether.browseUrl(PSTR("/"), "frizzbar.php", website, my_result_cb);
  }
    }
    bytesread = 0; 
    delay(5000);                       // wait for a second
  } 
}

The contents of the page is only 1234 and I would like to put it into an variable which I can compare.