LDAP_FIRST_REFERENCE(3)    Library Functions Manual    LDAP_FIRST_REFERENCE(3)

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

       OpenLDAP LDAP (libldap, -lldap)

       #include <ldap.h>

       int ldap_count_references( LDAP *ld, LDAPMessage *result )

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

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

       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 refer-
       ence  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  re-
       turns a pointer to the first reference message in the result chain.

       This  pointer should be supplied on a subsequent call to ldap_next_ref-
       erence() 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.

       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

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

       OpenLDAP Software is developed and maintained by The  OpenLDAP  Project
       <http://www.openldap.org/>.  OpenLDAP Software is derived from the Uni-
       versity of Michigan LDAP 3.3 Release.

OpenLDAP                          2020/01/30           LDAP_FIRST_REFERENCE(3)
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