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- /* 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. */