www.pudn.com > UIP09_ADSP-BF537_Blackfin_org.zip > resolv.h

/** 
 * \addtogroup uipdns 
 * @{ 
 */ 
/** 
 * \file 
 * DNS resolver code header file. 
 * \author Adam Dunkels  
 */ 
 
/* 
 * 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 1.1.2.3 2003/10/04 21:18:59 adam Exp $ 
 * 
 */ 
#ifndef __RESOLV_H__ 
#define __RESOLV_H__ 
 
#include "uip.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__ */ 
 
/** @} */