LDAP_COMPARE(3)            Library Functions Manual            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

       The ldap_compare_ext() routine is used to perform an LDAP compare oper-
       ation asynchronously.   It  takes  the  same  parameters  as  ldap_com-
       pare_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_compare_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_DEPRE-
       CATED=1)  when compiling program designed to use deprecated interfaces.
       It is recommended 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 eliminated.

       ldap(3), ldap_error(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                          2017/06/01                   LDAP_COMPARE(3)
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