fetch Subroutine

Purpose

Accesses data stored under a key.

Library

DBM Library (libdbm.a)

Syntax

#include <dbm.h>

datum fetch ( key)
datum key;

Description

The fetch subroutine accesses data stored under a key.

Parameters

Item Description
key Specifies the input key.

Return Values

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