lista.h

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/***************************************************************************
 *   Copyright (C) 2008 by Mateus "Zarnick" Interciso                      *
 *   zarnick@geekvault.org                                                 *
 *                                                                         *
 *   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 3 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.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef __LISTA_H
#define __LISTA_H

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <assert.h>

typedef struct node{
  int num; 
  struct node *next; 
  struct node *prev; 
}node;

unsigned long int size(node *l);

node *search(node *l, int num);

void add_node(node *l, int num);

node *rem_node(node *l, int num);

void add_after(node *n, int num);

void delete_list(node *l);

#endif

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