+// $Id: list-at.c,v 1.1 2005/03/17 14:47:21 ensc Exp $ --*- c -*--
+
+// Copyright (C) 2005 Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; version 2 of the License.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "list.h"
+#include "list-internal.h"
+
+void const *
+List_at_const(struct List const *l, size_t idx)
+{
+ struct ListItem const *itm = l->root;
+
+ for (; itm!=0 && idx>0; --idx)
+ itm = itm->next;
+
+ if (itm!=0) return itm->data;
+ else return 0;
+}