LDAP_OPT_CLIENT_CONTROLS
Use the LDAP_OPT_CLIENT_CONTROLS setting
to specify a default list of client controls to be processed by the
client library with each request.
Because client controls are not defined for this version
of the library, the ldap_set_option() API can
be used to define a set of default, non-critical client controls.
If one or more client controls in the set are critical, the entire
list is rejected with a return code as follows:
LDAP_UNAVAILABLE_CRITICAL_EXTENSION