dbm_nextkey Subroutine

Purpose

Returns the next key in a database.

Library

C Library (libc.a)

Syntax

#include <ndbm.h>

datum dbm_nextkey ( db)
DBM *db;

Description

The dbm_nextkey subroutine returns the next key in a database.

Parameters

Item Description
db Specifies the database to access.

Return Values

Upon successful completion, this subroutine returns a datum structure containing the value returned for the specified key. If the subroutine is unsuccessful, a null value is indicated in the dptr field of the datum structure.