1 /* 2 * Copyright (c) 1988, 1989, 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Adam de Boor. 7 * 8 * %sccs.include.redist.c% 9 */ 10 11 #ifndef lint 12 static char sccsid[] = "@(#)lstDatum.c 8.2 (Berkeley) 04/28/95"; 13 #endif /* not lint */ 14 15 /*- 16 * LstDatum.c -- 17 * Return the datum associated with a list node. 18 */ 19 20 #include "lstInt.h" 21 22 /*- 23 *----------------------------------------------------------------------- 24 * Lst_Datum -- 25 * Return the datum stored in the given node. 26 * 27 * Results: 28 * The datum or (ick!) NIL if the node is invalid. 29 * 30 * Side Effects: 31 * None. 32 * 33 *----------------------------------------------------------------------- 34 */ 35 ClientData Lst_Datum(ln)36Lst_Datum (ln) 37 LstNode ln; 38 { 39 if (ln != NILLNODE) { 40 return (((ListNode)ln)->datum); 41 } else { 42 return ((ClientData) NIL); 43 } 44 } 45 46