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   ldap_count_messages    ( 3 )

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Имя (Name)

ldap_first_message, ldap_next_message, ldap_count_messages -
       Stepping through messages in a result chain

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Библиотека (Library)

OpenLDAP LDAP (libldap, -lldap)

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Синопсис (Synopsis)

#include <ldap.h>

       int ldap_count_messages( LDAP *ld, LDAPMessage *result )

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

       LDAPMessage *ldap_next_message( LDAP *ld, LDAPMessage *message )

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Описание (Description)

These routines are used to step through the messages in a result
       chain received from ldap_result(3).  For search operations, the
       result chain can contain referral, entry and result messages. The
       ldap_msgtype(3) function can be used to distinguish between the
       different message types.

       The ldap_first_message() routine is used to retrieve the first
       message in a result chain.  It takes the result as returned by a
       call to ldap_result(3), ldap_search_s(3) or ldap_search_st(3) and
       returns a pointer to the first message in the result chain.

       This pointer should be supplied on a subsequent call to
       ldap_next_message() to get the next message, the result of which
       should be supplied to the next call to ldap_next_message(), etc.
       ldap_next_message() will return NULL when there are no more
       messages.

       These functions are useful when using routines like
       ldap_parse_result(3) that only operate on the first result in the
       chain.

       A count of the number of messages in the result chain can be
       obtained by calling ldap_count_messages().  It can also be used
       to count the number of remaining messages in a chain if called
       with a message, entry or reference returned by
       ldap_first_message() , ldap_next_message() , ldap_first_entry(3),
       ldap_next_entry(3), ldap_first_reference(3),
       ldap_next_reference(3).

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Ошибки (Error)

If an error occurs in ldap_first_message() or
       ldap_next_message(), NULL is returned.  If an error occurs in
       ldap_count_messages(), -1 is returned.

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Смотри также (See also)

ldap(3), ldap_search(3), ldap_result(3), ldap_parse_result(3),
       ldap_first_entry(3), ldap_first_reference(3)

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