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Cream of the Crop 1
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CBASE102.ARJ
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BTCURSOR.C
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1991-09-23
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879b
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29 lines
/* Copyright (c) 1989 Citadel */
/* All Rights Reserved */
/* #ident "@(#)btcursor.c 1.5 - 91/09/23" */
/*man---------------------------------------------------------------------------
NAME
btcursor - btree cursor
SYNOPSIS
#include <btree.h>
void *btcursor(btp)
btree_t *btp;
DESCRIPTION
btcursor is used to determine if the cursor for btree btp is
currently positioned on a key or is null. If the cursor is set
to null, the NULL pointer is returned. If the cursor is
positioned to a key, a non-NULL value is returned. If btp does
not point to a valid open btree, the results are undefined.
btcursor is a macro.
SEE ALSO
btfirst, btlast, btnext, btgetk, btprev.
------------------------------------------------------------------------------*/
/* btcursor defined in btree.h. */