1*40412Sbostic /*
2*40412Sbostic  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
3*40412Sbostic  * All rights reserved.
440411Sbostic  *
5*40412Sbostic  * This code is derived from software contributed to Berkeley by
6*40412Sbostic  * Adam de Boor.
740411Sbostic  *
8*40412Sbostic  * Redistribution and use in source and binary forms are permitted
9*40412Sbostic  * provided that the above copyright notice and this paragraph are
10*40412Sbostic  * duplicated in all such forms and that any documentation,
11*40412Sbostic  * advertising materials, and other materials related to such
12*40412Sbostic  * distribution and use acknowledge that the software was developed
13*40412Sbostic  * by the University of California, Berkeley.  The name of the
14*40412Sbostic  * University may not be used to endorse or promote products derived
15*40412Sbostic  * from this software without specific prior written permission.
16*40412Sbostic  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
17*40412Sbostic  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
18*40412Sbostic  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
1940411Sbostic  */
20*40412Sbostic 
2140411Sbostic #ifndef lint
22*40412Sbostic static char sccsid[] = "@(#)lstDatum.c	5.2 (Berkeley) 03/11/90";
23*40412Sbostic #endif /* not lint */
2440411Sbostic 
25*40412Sbostic /*-
26*40412Sbostic  * LstDatum.c --
27*40412Sbostic  *	Return the datum associated with a list node.
28*40412Sbostic  */
29*40412Sbostic 
3040411Sbostic #include	"lstInt.h"
3140411Sbostic 
3240411Sbostic /*-
3340411Sbostic  *-----------------------------------------------------------------------
3440411Sbostic  * Lst_Datum --
3540411Sbostic  *	Return the datum stored in the given node.
3640411Sbostic  *
3740411Sbostic  * Results:
3840411Sbostic  *	The datum or (ick!) NIL if the node is invalid.
3940411Sbostic  *
4040411Sbostic  * Side Effects:
4140411Sbostic  *	None.
4240411Sbostic  *
4340411Sbostic  *-----------------------------------------------------------------------
4440411Sbostic  */
4540411Sbostic ClientData
4640411Sbostic Lst_Datum (ln)
4740411Sbostic     LstNode	ln;
4840411Sbostic {
4940411Sbostic     if (ln != NILLNODE) {
5040411Sbostic 	return (((ListNode)ln)->datum);
5140411Sbostic     } else {
5240411Sbostic 	return ((ClientData) NIL);
5340411Sbostic     }
5440411Sbostic }
5540411Sbostic 
56