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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
-
- #ifdef _DCC /* Hack around a bug */
- #undef UCHAR_MAX
- #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[];
-