text: /*
   * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
   * Copyright (C) 1998-2001  Internet Software Consortium.
   *
   * Permission to use, copy, modify, and/or distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
   * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
   * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
   * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
   * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
   * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
   * PERFORMANCE OF THIS SOFTWARE.
   */
  
  #ifndef GENERIC_OPT_41_H
  #define GENERIC_OPT_41_H 1
  
  /* $Id: opt_41.h,v 1.18 2007-06-19 23:47:17 tbox Exp $ */
  
  /*!
   *  \brief Per RFC2671 */
  
  typedef struct dns_rdata_opt_opcode {
  		isc_uint16_t	opcode;
  		isc_uint16_t	length;
  		unsigned char	*data;
  } dns_rdata_opt_opcode_t;
  
  typedef struct dns_rdata_opt {
  	dns_rdatacommon_t	common;
  	isc_mem_t		*mctx;
  	unsigned char		*options;
  	isc_uint16_t		length;
  	/* private */
  	isc_uint16_t		offset;
  } dns_rdata_opt_t;
  
  /*
   * ISC_LANG_BEGINDECLS and ISC_LANG_ENDDECLS are already done
   * via rdatastructpre.h and rdatastructsuf.h.
   */
  
  isc_result_t
  dns_rdata_opt_first(dns_rdata_opt_t *);
  
  isc_result_t
  dns_rdata_opt_next(dns_rdata_opt_t *);
  
  isc_result_t
  dns_rdata_opt_current(dns_rdata_opt_t *, dns_rdata_opt_opcode_t *);
  
  #endif /* GENERIC_OPT_41_H */
  