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/*
 * List.h -- Header of list module.
 *
 * Authors              : Patrick Lecoanet.
 * Creation date        : Tue Mar 15 17:24:51 1994
 *
 * $Id$
 */

/*
 *  Copyright (c) 1993 - 1999 CENA, Patrick Lecoanet --
 *
 * This code is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This code 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this code; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */


#ifndef _List_h
#define _List_h


#ifdef __CPLUSPLUS__
extern "C" {
#endif


#define ZnListHead      0
#define ZnListTail      (~(1 << ((8*sizeof(int)) - 1)))


typedef void    *ZnList;


ZnList  ZnListNew(unsigned int  /* initial_size */,
                  unsigned int  /* element_size */);
ZnList  ZnListDuplicate(ZnList  /* list */);
void    ZnListEmpty(ZnList      /* list */);
ZnList  ZnListFromArray(void    * /* array */,
                        unsigned int    /* array_size */,
                        unsigned int    /* element_size */);
void    *ZnListArray(ZnList     /* list */);
void    ZnListFree(ZnList       /* list */);
unsigned int ZnListSize(ZnList  /* list */);
void    ZnListAssertSize(ZnList /* list */,
                         unsigned int   /* size */);
void    ZnListCopy(ZnList       /* to */,
                   ZnList       /* from */);
void    ZnListAppend(ZnList     /* to */,
                     ZnList     /* from */);
void    ZnListAdd(ZnList        /* list */,
                  void          * /* value */,
                  unsigned int  /* index */);
void    *ZnListAt(ZnList        /* list */,
                  unsigned int  /* index */);
void    ZnListAtPut(ZnList              /* list */,
                    void       * /* value */,
                    unsigned int /* index */);
void    ZnListDelete(ZnList             /* list */,
                     unsigned int       /* index */);
void    ZnListTruncate(ZnList           /* list */,
                       unsigned int     /* index */);

#ifdef __CPLUSPLUS__
}
#endif

#endif /* _List_h */