nuttx/include/net/uip/resolv.h
patacongo 6f1e5c74ef Import of uIP 1.0
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@308 42af7a65-404d-4744-a932-0658087f49c3
2007-08-26 23:12:17 +00:00

61 lines
2.3 KiB
C

/* resolv.h
* DNS resolver code header file.
* Authtor 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.
*/
#ifndef __UIP_RESOLV_H__
#define __UIP_RESOLV_H__
#include <sys/types.h>
#include <net/uip/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.
*
* 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.
*/
extern void resolv_found(char *name, uint16 *ipaddr);
/* Functions. */
extern void resolv_conf(uint16 *dnsserver);
extern uint16 *resolv_getserver(void);
extern void resolv_init(void);
extern uint16 *resolv_lookup(char *name);
extern void resolv_query(char *name);
#endif /* __UIP_RESOLV_H__ */