процедуры обработки опций LDAP (LDAP option handling routines)
TCP OPTIONS
The TCP options are OpenLDAP specific. Mainly intended
for use with Linux, they may not be portable.
LDAP_OPT_X_KEEPALIVE_IDLE
Sets/gets the number of seconds a connection needs to
remain idle before TCP starts sending keepalive probes.
invalue must be const int *; outvalue must be int *.
LDAP_OPT_X_KEEPALIVE_PROBES
Sets/gets the maximum number of keepalive probes TCP
should send before dropping the connection. invalue must
be const int *; outvalue must be int *.
LDAP_OPT_X_KEEPALIVE_INTERVAL
Sets/gets the interval in seconds between individual
keepalive probes. invalue must be const int *; outvalue
must be int *.
