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LDAP_COMPARE(3)                                                LDAP_COMPARE(3)

       ldap_compare, ldap_compare_s, ldap_compare_ext, ldap_compare_ext_s - Perform an LDAP compare operation.

       OpenLDAP LDAP (libldap, -lldap)

       #include <ldap.h>

       int ldap_compare_ext(
              LDAP *ld,
              char *dn,
              char *attr,
              const struct berval *bvalue,
              LDAPControl **serverctrls,
              LDAPControl **clientctrls,
              int *msgidp );

       int ldap_compare_ext_s(
              LDAP *ld,
              char *dn,
              char *attr,
              const struct berval *bvalue,
              LDAPControl **serverctrls,
              LDAPControl **clientctrls );

       The  ldap_compare_ext_s() routine is used to perform an LDAP compare operation synchronously.  It takes dn, the
       DN of the entry upon which to perform the compare, and attr and value, the attribute description and  value  to
       compare  to those found in the entry.  It returns a code, which will be LDAP_COMPARE_TRUE if the entry contains
       the attribute value and LDAP_COMPARE_FALSE if it does not.  Otherwise, an error code is returned that indicates
       the nature of the problem.  See ldap(3) for details.

       The  ldap_compare_ext() routine is used to perform an LDAP compare operation asynchronously.  It takes the same
       parameters as ldap_compare_ext_s(), but provides the message id of the request  it  initiated  in  the  integer
       pointed to msgidp.  The result of the compare can be obtained by a subsequent call to ldap_result(3).

       Both routines allow server and client controls to be specified to extend the compare request.

       The  routines  ldap_compare()  and ldap_compare_s() are deprecated in favor of ldap_compare_ext() and ldap_com-
       pare_ext_s(), respectively.

       Deprecated interfaces generally remain in the library.  The macro LDAP_DEPRECATED can be defined to a  non-zero
       value  (e.g.,  -DLDAP_DEPRECATED=1) when compiling program designed to use deprecated interfaces.  It is recom-
       mended that developers writing new programs, or updating old programs,  avoid  use  of  deprecated  interfaces.
       Over  time, it is expected that documentation (and, eventually, support) for deprecated interfaces to be elimi-

       ldap(3), ldap_error(3)

       OpenLDAP Software is developed and maintained by The  OpenLDAP  Project  <>;.   OpenLDAP
       Software is derived from University of Michigan LDAP 3.3 Release.

OpenLDAP 2.4.40                   2014/09/20                   LDAP_COMPARE(3)