2014-09-08 00:55:34 +04:00
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/* $NetBSD: lst.h,v 1.20 2014/09/07 20:55:34 joerg Exp $ */
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1995-06-14 19:18:37 +04:00
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1993-03-21 12:45:37 +03:00
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/*
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* Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
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2003-08-07 15:13:06 +04:00
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Adam de Boor.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)lst.h 8.1 (Berkeley) 6/6/93
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*/
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/*
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1993-03-21 12:45:37 +03:00
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* Copyright (c) 1988, 1989 by Adam de Boor
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* Copyright (c) 1989 by Berkeley Softworks
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Adam de Boor.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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1996-11-06 20:58:58 +03:00
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* from: @(#)lst.h 8.1 (Berkeley) 6/6/93
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1993-03-21 12:45:37 +03:00
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*/
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/*-
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* lst.h --
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* Header for using the list library
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*/
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#ifndef _LST_H_
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#define _LST_H_
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1996-02-05 01:20:27 +03:00
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#include <sys/param.h>
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1994-03-05 03:34:29 +03:00
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#include <stdlib.h>
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2002-06-15 22:24:55 +04:00
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1999-07-29 23:45:32 +04:00
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#include "sprite.h"
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1993-03-21 12:45:37 +03:00
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/*
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* basic typedef. This is what the Lst_ functions handle
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*/
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2006-10-28 01:37:25 +04:00
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typedef struct List *Lst;
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typedef struct ListNode *LstNode;
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1993-03-21 12:45:37 +03:00
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2009-01-24 00:26:30 +03:00
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typedef void *DuplicateProc(void *);
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typedef void FreeProc(void *);
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2005-08-10 01:36:42 +04:00
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1993-03-21 12:45:37 +03:00
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#define LST_CONCNEW 0 /* create new LstNode's when using Lst_Concat */
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#define LST_CONCLINK 1 /* relink LstNode's when using Lst_Concat */
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/*
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* Creation/destruction functions
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*/
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1994-06-07 02:45:17 +04:00
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/* Create a new list */
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2002-06-15 22:24:55 +04:00
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Lst Lst_Init(Boolean);
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1994-06-07 02:45:17 +04:00
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/* Duplicate an existing list */
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2005-08-10 01:36:42 +04:00
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Lst Lst_Duplicate(Lst, DuplicateProc *);
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1994-06-07 02:45:17 +04:00
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/* Destroy an old one */
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2005-08-10 01:36:42 +04:00
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void Lst_Destroy(Lst, FreeProc *);
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1994-06-07 02:45:17 +04:00
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/* True if list is empty */
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Boolean Lst_IsEmpty(Lst);
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1993-03-21 12:45:37 +03:00
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/*
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* Functions to modify a list
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*/
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1994-06-07 02:45:17 +04:00
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/* Insert an element before another */
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2009-01-24 00:26:30 +03:00
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ReturnStatus Lst_InsertBefore(Lst, LstNode, void *);
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1994-06-07 02:45:17 +04:00
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/* Insert an element after another */
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ReturnStatus Lst_InsertAfter(Lst, LstNode, void *);
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1994-06-07 02:45:17 +04:00
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/* Place an element at the front of a lst. */
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ReturnStatus Lst_AtFront(Lst, void *);
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1994-06-07 02:45:17 +04:00
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/* Place an element at the end of a lst. */
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ReturnStatus Lst_AtEnd(Lst, void *);
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1994-06-07 02:45:17 +04:00
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/* Remove an element */
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ReturnStatus Lst_Remove(Lst, LstNode);
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1994-06-07 02:45:17 +04:00
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/* Replace a node with a new value */
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ReturnStatus Lst_Replace(LstNode, void *);
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1994-06-07 02:45:17 +04:00
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/* Concatenate two lists */
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2002-06-15 22:24:55 +04:00
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ReturnStatus Lst_Concat(Lst, Lst, int);
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1993-03-21 12:45:37 +03:00
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/*
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* Node-specific functions
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*/
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1994-06-07 02:45:17 +04:00
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/* Return first element in list */
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2002-06-15 22:24:55 +04:00
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LstNode Lst_First(Lst);
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1994-06-07 02:45:17 +04:00
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/* Return last element in list */
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2002-06-15 22:24:55 +04:00
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LstNode Lst_Last(Lst);
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1994-06-07 02:45:17 +04:00
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/* Return successor to given element */
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2002-06-15 22:24:55 +04:00
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LstNode Lst_Succ(LstNode);
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2006-10-26 00:05:59 +04:00
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/* Return predecessor to given element */
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LstNode Lst_Prev(LstNode);
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1994-06-07 02:45:17 +04:00
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/* Get datum from LstNode */
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void *Lst_Datum(LstNode);
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/*
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* Functions for entire lists
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*/
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1994-06-07 02:45:17 +04:00
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/* Find an element in a list */
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2009-01-24 00:58:27 +03:00
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LstNode Lst_Find(Lst, const void *, int (*)(const void *, const void *));
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1994-06-07 02:45:17 +04:00
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/* Find an element starting from somewhere */
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2009-01-24 00:58:27 +03:00
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LstNode Lst_FindFrom(Lst, LstNode, const void *,
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int (*cProc)(const void *, const void *));
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1996-11-06 20:58:58 +03:00
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/*
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1994-06-07 02:45:17 +04:00
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* See if the given datum is on the list. Returns the LstNode containing
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* the datum
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*/
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2009-01-24 00:26:30 +03:00
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LstNode Lst_Member(Lst, void *);
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/* Apply a function to all elements of a lst */
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2009-01-24 00:26:30 +03:00
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int Lst_ForEach(Lst, int (*)(void *, void *), void *);
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1994-06-07 02:45:17 +04:00
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/*
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* Apply a function to all elements of a lst starting from a certain point.
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* If the list is circular, the application will wrap around to the
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* beginning of the list again.
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*/
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2009-01-24 00:26:30 +03:00
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int Lst_ForEachFrom(Lst, LstNode, int (*)(void *, void *),
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void *);
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1993-03-21 12:45:37 +03:00
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/*
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* these functions are for dealing with a list as a table, of sorts.
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* An idea of the "current element" is kept and used by all the functions
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* between Lst_Open() and Lst_Close().
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*/
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1994-06-07 02:45:17 +04:00
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/* Open the list */
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2002-06-15 22:24:55 +04:00
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ReturnStatus Lst_Open(Lst);
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1994-06-07 02:45:17 +04:00
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/* Next element please */
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2002-06-15 22:24:55 +04:00
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LstNode Lst_Next(Lst);
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2014-09-08 00:55:34 +04:00
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/* Done yet? */
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2002-06-15 22:24:55 +04:00
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Boolean Lst_IsAtEnd(Lst);
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1994-06-07 02:45:17 +04:00
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/* Finish table access */
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2002-06-15 22:24:55 +04:00
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void Lst_Close(Lst);
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1993-03-21 12:45:37 +03:00
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/*
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* for using the list as a queue
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*/
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1994-06-07 02:45:17 +04:00
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/* Place an element at tail of queue */
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2009-01-24 00:26:30 +03:00
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ReturnStatus Lst_EnQueue(Lst, void *);
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1994-06-07 02:45:17 +04:00
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/* Remove an element from head of queue */
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2009-01-24 00:26:30 +03:00
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void *Lst_DeQueue(Lst);
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1993-03-21 12:45:37 +03:00
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1994-06-07 02:45:17 +04:00
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#endif /* _LST_H_ */
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