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36 * $FreeBSD: src/usr.bin/make/lst.lib/lstEnQueue.c,v 1.6 1999/08/28 01:03:50 peter Exp $
37 * $DragonFly: src/usr.bin/make/lst.lib/Attic/lstEnQueue.c,v 1.2 2003/06/17 04:29:29 dillon Exp $
39 * @(#)lstEnQueue.c 8.1 (Berkeley) 6/6/93
44 * Treat the list as a queue and place a datum at its end
50 *-----------------------------------------------------------------------
52 * Add the datum to the tail of the given list.
55 * SUCCESS or FAILURE as returned by Lst_Append.
58 * the lastPtr field is altered all the time and the firstPtr field
59 * will be altered if the list used to be empty.
61 *-----------------------------------------------------------------------
68 if (LstValid (l) == FALSE) {
72 return (Lst_Append (l, Lst_Last(l), d));