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Manpage of LDAP_FIRST_ATTRIBUTE

LDAP_FIRST_ATTRIBUTE

Section: C Library Functions (3)
Updated: 4 October 2000
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NAME

ldap_first_attribute, ldap_next_attribute - step through LDAP entry attributes  

SYNOPSIS

#include <ldap.h>

char *ldap_first_attribute(ld, entry, berptr)
LDAP *ld;
LDAPMessage *entry;
BerElement **berptr;

char *ldap_next_attribute(ld, entry, ber)
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 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() routine dyanamically 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

is developed and maintained by The OpenLDAP Project (http://www.openldap.org/). is derived from University of Michigan LDAP 3.3 Release.


 

Index

NAME
SYNOPSIS
DESCRIPTION
ERRORS
NOTES
SEE ALSO
ACKNOWLEDGEMENTS

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