.ad l
.TH ldns 3 "30 May 2006"
.SH NAME
ldns_dname_is_subdomain, ldns_dname_str_absolute, ldns_dname_label \- check properties of dnames

.SH SYNOPSIS
#include <stdint.h>
.br
#include <stdbool.h>
.br
.PP
#include <ldns/ldns.h>
.PP
bool ldns_dname_is_subdomain(const ldns_rdf *sub, const ldns_rdf *parent);
.PP
bool ldns_dname_str_absolute(const char *dname_str);
.PP
ldns_rdf * ldns_dname_label(const ldns_rdf *rdf, uint8_t labelpos);
.PP

.SH DESCRIPTION
.HP
\fIldns_dname_is_subdomain\fR()
test whether the name sub falls under parent (i.e. is a subdomain
of parent). This function will return false if the given dnames are
equal.
\.br
\fBsub\fR: the name to test
\.br
\fBparent\fR: the parent's name
\.br
Returns true if sub falls under parent, otherwise false
.PP
.HP
\fIldns_dname_str_absolute\fR()
Checks whether the given dname string is absolute (i.e. ends with a '.')
\.br
\fB*dname_str\fR: a string representing the dname
\.br
Returns true or false
.PP
.HP
\fIldns_dname_label\fR()
look inside the rdf and if it is an \%LDNS_RDF_TYPE_DNAME
try and retrieve a specific label. The labels are numbered
starting from 0 (left most).
\.br
\fBrdf\fR: the rdf to look in
\.br
\fBlabelpos\fR: return the label with this number
\.br
Returns a ldns_rdf* with the label as name or \%NULL on error
.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
\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.