arduino reciver relay code

arduino_reciver_relay.cc

/*
  RF_Sniffer
 
  Hacked from http://code.google.com/p/rc-switch/
 
  by @justy to provide a handy RF code sniffer
*/
 
#include "RCSwitch.h"
#include <stdlib.h>
#include <stdio.h>
RCSwitch mySwitch = RCSwitch();
int msg;
int relayPin = 5;
 
void setup() {
  Serial.begin(9600);
  mySwitch.enableReceive(0);  // Receiver on inerrupt 0 =&gt; that is pin #2
}
 
void loop() {
  if (mySwitch.available()) 
  {
    int value = mySwitch.getReceivedValue();
 
    if (value == 0) {
      	Serial.print("Unknown encoding");
    } 
    else 
    {
   		msg = mySwitch.getReceivedValue();
     	Serial.println( msg );  
     	
      	if( msg == 1111)
      	{
      		digitalWrite(relayPin, LOW);
      	}
      	
      	if( msg == 1000)
      	{
      		digitalWrite(relayPin, HIGH);
      	}
      	
      	msg = 0;
    }
 
    mySwitch.resetAvailable();
 
  }
}