Dns.h

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// Arduino DNS client for WizNet5100-based Ethernet shield
// (c) Copyright 2009-2010 MCQN Ltd.
// Released under Apache License, version 2.0
 
#ifndef DNSClient_h
#define DNSClient_h
 
#include <EthernetUdp.h>
 
class DNSClient {
  public:
    void begin(const IPAddress &aDNSServer);
 
    int inet_aton(const char *address, IPAddress &result);
 
    int getHostByName(const char *aHostname, IPAddress &aResult);
 
  protected:
    uint16_t BuildRequest(const char *aName);
    uint16_t ProcessResponse(uint16_t aTimeout, IPAddress &aAddress);
 
    IPAddress iDNSServer;
};
 
#endif