.ad l
.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 \- rdata field descriptors

.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.

.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 automatically generated from the ldns source code.