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/*$Source: /usr/home/dhesi/zoo/RCS/lzh.h,v $*/
/*$Id: lzh.h,v 1.3 91/07/09 01:39:23 dhesi Exp $*/
/*
Adapted from "ar" archiver written by Haruhiko Okumura.
*/
/* Define some things if they aren't defined in header files */
#ifndef CHAR_BIT
# define CHAR_BIT 8
#endif
#ifndef UCHAR_MAX
# define UCHAR_MAX 255
#endif
/* io.c */
extern FILE *arcfile, *lzh_infile, *lzh_infile;
extern t_uint16 bitbuf;
#define BITBUFSIZ (CHAR_BIT * sizeof bitbuf)
/* encode.c and decode.c */
#define MATCHBIT 8 /* bits for MAXMATCH - THRESHOLD */
#define MAXMATCH 256 /* formerly F (not more than UCHAR_MAX + 1) */
#define THRESHOLD 3 /* choose optimal value */
#define PERC_FLAG ((unsigned) 0x8000)
/* huf.c */
#define NC (UCHAR_MAX + MAXMATCH + 2 - THRESHOLD)
/* alphabet = {0, 1, 2, ..., NC - 1} */
#define CBIT 9 /* $\lfloor \log_2 NC \rfloor + 1$ */
#define CODE_BIT 16 /* codeword length */
extern ushort left[], right[];
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