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/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by David Mosberger (davidm@azstarnet.com).

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

#ifndef _RES_HCONF_H_

#define _RES_HCONF_H_

#include <netdb.h>

#define TRIMDOMAINS_MAX 4

enum Name_Service

{

  SERVICE_NONE = 0,

  SERVICE_BIND, SERVICE_HOSTS, SERVICE_NIS,

  SERVICE_MAX

};

struct hconf

{

  int initialized;

  int num_services;

  enum Name_Service service[SERVICE_MAX];

  int num_trimdomains;

  const char *trimdomain[TRIMDOMAINS_MAX];

  unsigned int flags;

#  define HCONF_FLAG_INITED     (1 << 0) /* initialized? */

#  define HCONF_FLAG_SPOOF      (1 << 1) /* refuse spoofed addresses */

#  define HCONF_FLAG_SPOOFALERT (1 << 2) /* syslog warning of spoofed */

#  define HCONF_FLAG_REORDER    (1 << 3) /* list best address first */

#  define HCONF_FLAG_MULTI      (1 << 4) /* see comments for gethtbyname() */

};

extern struct hconf _res_hconf;

extern void _res_hconf_init (void);

extern void _res_hconf_trim_domain (char *domain);

extern void _res_hconf_trim_domains (struct hostent *hp);

extern void _res_hconf_reorder_addrs (struct hostent *hp);

#endif /* _RES_HCONF_H_ */