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LDAP_FIRST_ENTRY(3)        Library Functions Manual        LDAP_FIRST_ENTRY(3)

       ldap_first_entry, ldap_next_entry, ldap_count_entries - LDAP result
       entry parsing and counting routines

       OpenLDAP LDAP (libldap, -lldap)

       #include <ldap.h>

       int ldap_count_entries( LDAP *ld, LDAPMessage *result )

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

       LDAPMessage *ldap_next_entry( LDAP *ld, LDAPMessage *entry )

       These routines are used to parse results received from ldap_result(3)
       or the synchronous LDAP search operation routines ldap_search_s(3) and

       The ldap_first_entry() routine is used to retrieve the first entry in a
       chain of search results.  It takes the result as returned by a call to
       ldap_result(3) or ldap_search_s(3) or ldap_search_st(3) and returns a
       pointer to the first entry in the result.

       This pointer should be supplied on a subsequent call to
       ldap_next_entry() to get the next entry, the result of which should be
       supplied to the next call to ldap_next_entry(), etc.  ldap_next_entry()
       will return NULL when there are no more entries.  The entries returned
       from these calls are used in calls to the routines described in
       ldap_get_dn(3), ldap_first_attribute(3), ldap_get_values(3), etc.

       A count of the number of entries in the search result can be obtained
       by calling ldap_count_entries().

       If an error occurs in ldap_first_entry() or ldap_next_entry(), NULL is
       returned and the ld_errno field in the ld parameter is set to indicate
       the error.  If an error occurs in ldap_count_entries(), -1 is returned,
       and ld_errno is set appropriately.  See ldap_error(3) for a description
       of possible error codes.

       ldap(3), ldap_result(3), ldap_search(3), ldap_first_attribute(3),
       ldap_get_values(3), ldap_get_dn(3)

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

OpenLDAP 2.4.50                   2020/04/28               LDAP_FIRST_ENTRY(3)