/usr/include/hdf/cskphuff.h is in libhdf4-dev 4.2.13-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF. The full HDF copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF/releases/. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* $Id$ */
/*-----------------------------------------------------------------------------
* File: cskphuff.h
* Purpose: Header file for skipping huffman encoding information.
* Dependencies: should only be included from hcompi.h
* Invokes: none
* Contents: Structures & definitions for skipping huffman encoding.
* Structure definitions:
* Constant definitions:
*---------------------------------------------------------------------------*/
/* avoid re-inclusion */
#ifndef __CSKPHUFF_H
#define __CSKPHUFF_H
#if defined c_plusplus || defined __cplusplus
extern "C"
{
#endif /* c_plusplus || __cplusplus */
/*
** from cskphuff.c
*/
extern int32 HCPcskphuff_stread
(accrec_t * rec);
extern int32 HCPcskphuff_stwrite
(accrec_t * rec);
extern int32 HCPcskphuff_seek
(accrec_t * access_rec, int32 offset, int origin);
extern int32 HCPcskphuff_inquire
(accrec_t * access_rec, int32 *pfile_id, uint16 *ptag, uint16 *pref,
int32 *plength, int32 *poffset, int32 *pposn, int16 *paccess,
int16 *pspecial);
extern int32 HCPcskphuff_read
(accrec_t * access_rec, int32 length, void * data);
extern int32 HCPcskphuff_write
(accrec_t * access_rec, int32 length, const void * data);
extern intn HCPcskphuff_endaccess
(accrec_t * access_rec);
#if defined c_plusplus || defined __cplusplus
}
#endif /* c_plusplus || __cplusplus */
/* The maximum source character code: */
#define SKPHUFF_MAX_CHAR 255
/* One greater than the maximum source character code: */
#define SUCCMAX (SKPHUFF_MAX_CHAR+1)
/* Twice the maximum source character code: */
#define TWICEMAX (2*SUCCMAX+1)
/* The root node in the tree */
#define ROOT 0
/* Skipping huffman [en|de]coding information */
typedef struct
{
intn skip_size; /* number of bytes in each element */
uintn **left, /* define the left and right pointer arrays */
**right;
uint8 **up; /* define the up pointer array */
intn skip_pos; /* current byte to read or write */
int32 offset; /* offset in the de-compressed array */
}
comp_coder_skphuff_info_t;
#ifndef CSKPHUFF_MASTER
extern funclist_t cskphuff_funcs; /* functions to perform skipping huffman encoding */
#else
funclist_t cskphuff_funcs =
{ /* functions to perform skipping huffman encoding */
HCPcskphuff_stread,
HCPcskphuff_stwrite,
HCPcskphuff_seek,
HCPcskphuff_inquire,
HCPcskphuff_read,
HCPcskphuff_write,
HCPcskphuff_endaccess
};
#endif
#endif /* __CSKPHUFF_H */
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