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LDAP_FIRST_REFERENCE(3)    Library Functions Manual    LDAP_FIRST_REFERENCE(3)



NAME
       ldap_first_reference, ldap_next_reference, ldap_count_references -
       Stepping through continuation references in a result chain

LIBRARY
       OpenLDAP LDAP (libldap, -lldap)

SYNOPSIS
       #include <&lt;ldap.h>&gt;

       int ldap_count_references( LDAP *ld, LDAPMessage *result )

       LDAPMessage *ldap_first_reference( LDAP *ld, LDAPMessage *result )

       LDAPMessage *ldap_next_reference( LDAP *ld, LDAPMessage *reference )

DESCRIPTION
       These routines are used to step through the continuation references in
       a result chain received from ldap_result(3) or the synchronous LDAP
       search operation routines.

       The ldap_first_reference() routine is used to retrieve the first
       reference message in a result chain.  It takes the result as returned
       by a call to ldap_result(3), ldap_search_s(3) or ldap_search_st(3) and
       returns a pointer to the first reference message in the result chain.

       This pointer should be supplied on a subsequent call to
       ldap_next_reference() to get the next reference message, the result of
       which should be supplied to the next call to ldap_next_reference(),
       etc.  ldap_next_reference() will return NULL when there are no more
       reference messages.  The reference messages returned from these calls
       are used by ldap_parse_reference(3) to extract referrals and controls.

       A count of the number of reference messages in the search result can be
       obtained by calling ldap_count_references(). It can also be used to
       count the number of reference messages remaining in a result chain.

ERRORS
       If an error occurs in ldap_first_reference() or ldap_next_reference(),
       NULL is returned.  If an error occurs in ldap_count_references(), -1 is
       returned.

SEE ALSO
       ldap(3), ldap_result(3), ldap_search(3), ldap_parse_reference(3)

ACKNOWLEDGEMENTS
       OpenLDAP Software is developed and maintained by The OpenLDAP Project
       <http://www.openldap.org/>;.  OpenLDAP Software is derived from
       University of Michigan LDAP 3.3 Release.



OpenLDAP 2.4.23                   2010/06/30           LDAP_FIRST_REFERENCE(3)