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swdict.h

/***********************************************************************
  This file is part of HA, a general purpose file archiver.
  Copyright (C) 1995 Harri Hirvola

  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.
************************************************************************
      HA sliding window dictionary
***********************************************************************/

void swd_init(U16B maxl, U16B bufl);      /* maxl=max len to be found  */
                              /* bufl=dictionary buffer len */
                              /* bufl+2*maxl-1<32768 !!! */
void swd_cleanup(void);
void swd_accept(void);
void swd_findbest(void);
void swd_dinit(U16B bufl);
void swd_dpair(U16B l, U16B p);
void swd_dchar(S16B c);

#define MINLEN    3     /* Minimum possible match lenght for this */
                  /* implementation */

extern U16B swd_bpos,swd_mlf;
extern S16B swd_char;   


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