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CBKCURSO.C
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1989-08-31
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/* Copyright (c) 1989 Citadel */
/* All Rights Reserved */
/* #ident "cbkcurso.c 1.1 - 89/08/31" */
/*man---------------------------------------------------------------------------
NAME
cbkcursor - cbase key cursor
SYNOPSIS
#include <cbase.h>
void *cbkcursor(cbp, field)
cbase_t * cbp;
int field;
DESCRIPTION
cbkcursor is used to determine if the cursor for cbase cbp is currently
positioned on a key or is null. If the cursor is set to null, NULL
is returned. If the cursor is positioned to a key, a non-NULL value
is returned. If cbp does not point to a valid open cbase, the results
are undefined. If kn is less than 1 or greater than the number of keys
defined for cbp, the results are undefined. cbkcursor is a macro.
SEE ALSO
cbkeyfirst, cbkeylast, cbkeynext, cbkeyprev.
------------------------------------------------------------------------------*/
/* cbkcursor is #defined in cbase.h. */