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Amiga MA Magazine 1998 #3
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amigamamagazinepolishissue1998.iso
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szachy
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gnu
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amyboard-3.2.pl2
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lists.h
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1995-05-23
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/*
* lists.c -- Includefile of lists.c
* XBoard $Id: $
*
* Copyright 1995 Free Software Foundation, Inc.
*
* ------------------------------------------------------------------------
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
* ------------------------------------------------------------------------
*
* This file could well be a part of backend.c, but I prefer it this
* way.
*/
#ifndef _LISTS_H
#define _LISTS_H
/* Type definition: Node of a double linked list.
*/
typedef struct _ListNode {
struct _ListNode *succ;
struct _ListNode *pred;
} ListNode;
/* Type definition: Double linked list.
*
* The list structure consists of two ListNode's: The pred entry of
* the head being the succ entry of the tail. Thus a list is empty
* if and only if it consists of 2 nodes. :-)
*/
typedef struct {
struct _ListNode *head; /* The list structure consists of two */
struct _ListNode *tail; /* ListNode's: The pred entry of the */
struct _ListNode *tailPred; /* head being the succ entry of the */
} List; /* tail. */
/* Function prototypes
*/
extern int ListEmpty P((List *));
void ListNew P((List *));
void ListRemove P((ListNode *));
void ListNodeFree P((ListNode *));
ListNode *ListNodeCreate P((size_t));
void ListInsert P((ListNode *, ListNode *));
void ListAddHead P((List *, ListNode *));
void ListAddTail P((List *, ListNode *));
ListNode *ListElem P((List *, int));
#endif