/* inftrees.h -- header to use inftrees.c * Copyright (C) 1995-2002 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ /* WARNING: this file should *not* be used by applications. It is   part of the implementation of the compression library and is   subject to change. Applications should only use zlib.h. */ /* Huffman code lookup table entry--this entry is four bytes for machines   that have 16-bit pointers (e.g. PC's in the small or medium model). */ #ifndef _INFTREES_H#define _INFTREES_H typedef struct inflate_huft_s FAR inflate_huft; struct inflate_huft_s {  union {    struct {      Byte Exop;        /* number of extra bits or operation */      Byte Bits;        /* number of bits in this code or subcode */    } what;    uInt pad;           /* pad structure to a power of 2 (4 bytes for */  } word;               /*  16-bit, 8 bytes for 32-bit int's) */  uInt base;            /* literal, length base, distance base,                           or table offset */}; /* Maximum size of dynamic tree.  The maximum found in a long but non-   exhaustive search was 1004 huft structures (850 for length/literals   and 154 for distances, the latter actually the result of an   exhaustive search).  The actual maximum is not known, but the   value below is more than safe. */#define MANY 1440 local  int inflate_trees_bits OF((    uIntf *,                    /* 19 code lengths */    uIntf *,                    /* bits tree desired/actual depth */    inflate_huft * FAR *,       /* bits tree result */    inflate_huft *,             /* space for trees */    z_streamp));                /* for messages */ local  int inflate_trees_dynamic OF((    uInt,                       /* number of literal/length codes */    uInt,                       /* number of distance codes */    uIntf *,                    /* that many (total) code lengths */    uIntf *,                    /* literal desired/actual bit depth */    uIntf *,                    /* distance desired/actual bit depth */    inflate_huft * FAR *,       /* literal/length tree result */    inflate_huft * FAR *,       /* distance tree result */    inflate_huft *,             /* space for trees */    z_streamp));                /* for messages */ local  int inflate_trees_fixed OF((    uIntf *,                    /* literal desired/actual bit depth */    uIntf *,                    /* distance desired/actual bit depth */    inflate_huft * FAR *,       /* literal/length tree result */    inflate_huft * FAR *,       /* distance tree result */    z_streamp));                /* for memory allocation */ #endif /* _INFTREES_H */