6f1e5c74ef
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@308 42af7a65-404d-4744-a932-0658087f49c3
61 lines
2.3 KiB
C
61 lines
2.3 KiB
C
/* resolv.h
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* DNS resolver code header file.
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* Authtor Adam Dunkels <adam@dunkels.com>
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*
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* Copyright (c) 2002-2003, Adam Dunkels.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __UIP_RESOLV_H__
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#define __UIP_RESOLV_H__
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#include <sys/types.h>
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#include <net/uip/uipopt.h>
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/* Callback function which is called when a hostname is found.
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*
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* This function must be implemented by the module that uses the DNS
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* resolver. It is called when a hostname is found, or when a hostname
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* was not found.
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*
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* name A pointer to the name that was looked up. \param
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* ipaddr A pointer to a 4-byte array containing the IP address of the
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* hostname, or NULL if the hostname could not be found.
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*/
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extern void resolv_found(char *name, uint16 *ipaddr);
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/* Functions. */
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extern void resolv_conf(uint16 *dnsserver);
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extern uint16 *resolv_getserver(void);
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extern void resolv_init(void);
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extern uint16 *resolv_lookup(char *name);
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extern void resolv_query(char *name);
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#endif /* __UIP_RESOLV_H__ */
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