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LDAP_FIRST_ATTRIBUTE(3) Library Functions Manual LDAP_FIRST_ATTRIBUTE(3)
NAME
ldap_first_attribute, ldap_next_attribute - step through LDAP entry
attributes
LIBRARY
OpenLDAP LDAP (libldap, -lldap)
SYNOPSIS
#include <ldap.h>
char *ldap_first_attribute(
LDAP *ld, LDAPMessage *entry, BerElement **berptr )
char *ldap_next_attribute(
LDAP *ld, LDAPMessage *entry, BerElement *ber )
DESCRIPTION
The ldap_first_attribute() and ldap_next_attribute() routines are used
to step through the attributes in an LDAP entry.
ldap_first_attribute() takes an entry as returned by
ldap_first_entry(3) or ldap_next_entry(3) and returns a pointer to
character string containing the first attribute description in the
entry. ldap_next_attribute() returns the next attribute description in
the entry.
It also returns, in berptr, a pointer to a BerElement it has allocated
to keep track of its current position. This pointer should be passed
to subsequent calls to ldap_next_attribute() and is used to effectively
step through the entry's attributes. The caller is solely responsible
for freeing the BerElement pointed to by berptr when it is no longer
needed by calling ber_free(3). When calling ber_free(3) in this
instance, be sure the second argument is 0.
The attribute names returned are suitable for inclusion in a call to
ldap_get_values(3) to retrieve the attribute's values.
ERRORS
If an error occurs, NULL is returned and the ld_errno field in the ld
parameter is set to indicate the error. See ldap_error(3) for a
description of possible error codes.
NOTES
The ldap_first_attribute() and ldap_next_attribute() return dynamically
allocated memory that must be freed by the caller via ldap_memfree(3).
SEE ALSO
ldap(3), ldap_first_entry(3), ldap_get_values(3), ldap_error(3)
ACKNOWLEDGEMENTS
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 2.4.46 2018/03/22 LDAP_FIRST_ATTRIBUTE(3)
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