'\" te
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.TH LDAP_FIRST_ENTRY 3LDAP "Jan 27, 2002"
.SH NAME
ldap_first_entry, ldap_next_entry, ldap_count_entries, ldap_count_references,
ldap_first_reference, ldap_next_reference \- LDAP entry parsing and counting
functions
.SH SYNOPSIS
.LP
.nf
cc[ \fIflag\fR... ] \fIfile\fR... -lldap[ \fIlibrary\fR... ]
#include <lber.h>
#include <ldap.h>

\fBLDAPMessage *\fR\fBldap_first_entry\fR(\fBLDAP\fR\fI*ld\fR, \fBLDAPMessage\fR \fI*result\fR);
.fi

.LP
.nf
\fBLDAPMessage *\fR\fBldap_next_entry\fR(\fBLDAP\fR \fI*ld\fR, \fBLDAPMessage\fR \fI*entry\fR);
.fi

.LP
.nf
\fB\fR\fBldap_count_entries\fR(\fBLDAP\fR \fI*ld\fR, \fBLDAPMessage\fR \fI*result\fR);
.fi

.LP
.nf
\fBLDAPMessage *\fR\fBldap_first_reference\fR(\fBLDAP\fR \fI*ld\fR, \fBLDAPMessage\fR \fI*res\fR);
.fi

.LP
.nf
\fBLDAPMessage *\fR\fBldap_next_reference\fR(\fBLDAP\fR \fI*ld\fR, \fBLDAPMessage\fR \fI*res\fR);
.fi

.LP
.nf
\fBint\fR \fBldap_count_references\fR(\fBLDAP\fR \fI*ld\fR, \fBLDAPMessage\fR \fI*res\fR);
.fi

.SH DESCRIPTION
.sp
.LP
These functions are used to parse results received from
\fBldap_result\fR(3LDAP) or the synchronous LDAP search operation functions
\fBldap_search_s\fR(3LDAP) and \fBldap_search_st\fR(3LDAP).
.sp
.LP
The \fBldap_first_entry()\fR function is used to retrieve the first entry in a
chain of search results.  It takes the \fIresult\fR as returned by a call to
\fBldap_result\fR(3LDAP) or \fBldap_search_s\fR(3LDAP) or
\fBldap_search_st\fR(3LDAP) and returns a pointer to the first entry in the
result.
.sp
.LP
This pointer should be supplied on a subsequent call to \fBldap_next_entry()\fR
to get the next entry, the result of which should be supplied to the next call
to \fBldap_next_entry()\fR, etc. \fBldap_next_entry()\fR will return
\fINULL\fR when there are no more entries.  The entries returned from these
calls are used in calls to the functions described in \fBldap_get_dn\fR(3LDAP),
\fBldap_first_attribute\fR(3LDAP), \fBldap_get_values\fR(3LDAP), etc.
.sp
.LP
A count of the number of entries in the search result can be obtained by
calling \fBldap_count_entries()\fR.
.sp
.LP
\fBldap_first_reference()\fR and   \fBldap_next_reference()\fR are used to step
through and retrieve the list of continuation references from a search result
chain.
.sp
.LP
The \fBldap_count_references()\fR function is used to count the number of
references that are contained in and remain in a search result chain.
.SH ERRORS
.sp
.LP
If an error occurs in \fBldap_first_entry()\fR or \fBldap_next_entry()\fR,
\fINULL\fR is returned and the  \fBld_errno\fR field in the \fIld\fR parameter
is set to indicate the error.  If an error occurs in
\fBldap_count_entries()\fR, \fB\(mi1\fR is returned, and \fBld_errno\fR is set
appropriately.  See \fBldap_error\fR(3LDAP) for a description of possible error
codes.
.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(7) for a description of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
Interface Stability	Evolving
.TE

.SH SEE ALSO
.sp
.LP
.BR ldap (3LDAP),
.BR ldap_first_attribute (3LDAP),
.BR ldap_get_dn (3LDAP),
.BR ldap_get_values (3LDAP),
.BR ldap_result (3LDAP),
.BR ldap_search (3LDAP),
.BR attributes (7)