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/**
* \addtogroup resolv
* @{
*/
/**
* \file
* DNS resolver code header file.
* \author Adam Dunkels <adam@dunkels.com>
*/
/*
* Copyright (c) 2002-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: resolv.h,v 1.4 2006/06/11 21:46:37 adam Exp $
*
*/
#ifndef __RESOLV_H__
#define __RESOLV_H__
typedef int uip_udp_appstate_t;
void resolv_appcall(void);
#define UIP_UDP_APPCALL resolv_appcall
#include "uipopt.h"
/**
* Callback function which is called when a hostname is found.
*
* This function must be implemented by the module that uses the DNS
* resolver. It is called when a hostname is found, or when a hostname
* was not found.
*
* \param name A pointer to the name that was looked up. \param
* ipaddr A pointer to a 4-byte array containing the IP address of the
* hostname, or NULL if the hostname could not be found.
*/
void resolv_found(char *name, u16_t *ipaddr);
/* Functions. */
void resolv_conf(u16_t *dnsserver);
u16_t *resolv_getserver(void);
void resolv_init(void);
u16_t *resolv_lookup(char *name);
void resolv_query(char *name);
#endif /* __RESOLV_H__ */
/** @} */
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