.TH ldns 3 "30 May 2006"
.SH NAME
ldns_rr_descriptor, ldns_rr_descript, ldns_rr_descriptor_minimum, ldns_rr_descriptor_maximum, ldns_rr_descriptor_field_type\-

.SH SYNOPSIS
#include <stdint.h>
.br
#include <stdbool.h>
.br
.PP
#include <ldns/ldns.h>
.PP
const ldns_rr_descriptor* ldns_rr_descript(uint16_t type);
.PP
size_t ldns_rr_descriptor_minimum(const ldns_rr_descriptor *descriptor);
.PP
size_t ldns_rr_descriptor_maximum(const ldns_rr_descriptor *descriptor);
.PP
ldns_rdf_type ldns_rr_descriptor_field_type(const ldns_rr_descriptor *descriptor, size_t field);
.PP

.SH DESCRIPTION
.HP
\fIldns_rr_descriptor\fR
.br
Contains all information about resource record types.
.br

.br
This structure contains, for all rr types, the rdata fields that are defined.
.br
struct ldns_struct_rr_descriptor
.br
{
.br
	\fBType of the RR that is described here:\fR
.br
	ldns_rr_type    _type;
.br
	\fBTextual name of the RR type.:\fR
.br
	const char *_name;
.br
	\fBMinimum number of rdata fields in the RRs of this type.:\fR
.br
	uint8_t     _minimum;
.br
	\fBMaximum number of rdata fields in the RRs of this type.:\fR
.br
	uint8_t     _maximum;
.br
	\fBWireformat specification for the rr, i.e. the types of rdata fields in their respective order.:\fR
.br
	const ldns_rdf_type *_wireformat;
.br
	\fBSpecial rdf types:\fR
.br
	ldns_rdf_type _variable;
.br
	\fBSpecifies whether compression can be used for dnames in this RR type.:\fR
.br
	ldns_rr_compress _compress;
.br
	\fBThe number of DNAMEs in the _wireformat string, for parsing.:\fR
.br
	uint8_t _dname_count;
.br
};
.br
typedef struct ldns_struct_rr_descriptor ldns_rr_descriptor;
.PP
.HP
\fIldns_rr_descript\fR()
returns the resource record descriptor for the given rr type.

\.br
\fBtype\fR: the type value of the rr type
\.br
Returns the ldns_rr_descriptor for this type
.PP
.HP
\fIldns_rr_descriptor_minimum\fR()
returns the minimum number of rdata fields of the rr type this descriptor describes.

\.br
\fBdescriptor\fR: for an rr type
\.br
Returns the minimum number of rdata fields
.PP
.HP
\fIldns_rr_descriptor_maximum\fR()
returns the maximum number of rdata fields of the rr type this descriptor describes.

\.br
\fBdescriptor\fR: for an rr type
\.br
Returns the maximum number of rdata fields
.PP
.HP
\fIldns_rr_descriptor_field_type\fR()
returns the rdf type for the given rdata field number of the rr type for the given descriptor.

\.br
\fBdescriptor\fR: for an rr type
\.br
\fBfield\fR: the field number
\.br
Returns the rdf type for the field
.PP
.SH AUTHOR
The ldns team at NLnet Labs. Which consists out of
Jelte Jansen and Miek Gieben.

.SH REPORTING BUGS
Please report bugs to ldns-team@nlnetlabs.nl or in 
our bugzilla at
http://www.nlnetlabs.nl/bugs/index.html

.SH COPYRIGHT
Copyright (c) 2004 - 2006 NLnet Labs.
.PP
Licensed under the BSD License. There is NO warranty; not even for
MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.

.SH SEE ALSO
\fIldns_rr\fR, \fIldns_rdf\fR.
And \fBperldoc Net::DNS\fR, \fBRFC1034\fR,
\fBRFC1035\fR, \fBRFC4033\fR, \fBRFC4034\fR  and \fBRFC4035\fR.
.SH REMARKS
This manpage was automaticly generated from the ldns source code by
use of Doxygen and some perl.