2021-05-28 16:25:55 -04:00
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* ZLIB.INC - Interface to the general purpose compression library
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*
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* ILE RPG400 version by Patrick Monnerat, DATASPHERE.
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2025-07-27 18:51:52 -04:00
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* Version 1.3.1
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2021-05-28 16:25:55 -04:00
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*
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*
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* WARNING:
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* Procedures inflateInit(), inflateInit2(), deflateInit(),
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* deflateInit2() and inflateBackInit() need to be called with
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* two additional arguments:
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* the package version string and the stream control structure.
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* size. This is needed because RPG lacks some macro feature.
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* Call these procedures as:
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* inflateInit(...: ZLIB_VERSION: %size(z_stream))
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*
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/if not defined(ZLIB_H_)
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/define ZLIB_H_
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*
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**************************************************************************
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* Constants
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**************************************************************************
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*
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* Versioning information.
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*
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2025-07-27 18:51:52 -04:00
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D ZLIB_VERSION C '1.3.1'
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2021-05-28 16:25:55 -04:00
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D ZLIB_VERNUM C X'12a0'
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D ZLIB_VER_MAJOR C 1
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2025-07-27 18:51:52 -04:00
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D ZLIB_VER_MINOR C 3
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2021-05-28 16:25:55 -04:00
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D ZLIB_VER_REVISION...
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2025-07-27 18:51:52 -04:00
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D C 1
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2021-05-28 16:25:55 -04:00
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D ZLIB_VER_SUBREVISION...
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D C 0
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*
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* Other equates.
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*
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D Z_NO_FLUSH C 0
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D Z_PARTIAL_FLUSH...
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D C 1
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D Z_SYNC_FLUSH C 2
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D Z_FULL_FLUSH C 3
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D Z_FINISH C 4
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D Z_BLOCK C 5
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D Z_TREES C 6
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*
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D Z_OK C 0
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D Z_STREAM_END C 1
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D Z_NEED_DICT C 2
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D Z_ERRNO C -1
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D Z_STREAM_ERROR C -2
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D Z_DATA_ERROR C -3
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D Z_MEM_ERROR C -4
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D Z_BUF_ERROR C -5
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D Z_VERSION_ERROR C -6
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*
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D Z_NO_COMPRESSION...
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D C 0
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D Z_BEST_SPEED C 1
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D Z_BEST_COMPRESSION...
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D C 9
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D Z_DEFAULT_COMPRESSION...
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D C -1
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*
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D Z_FILTERED C 1
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D Z_HUFFMAN_ONLY C 2
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D Z_RLE C 3
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D Z_DEFAULT_STRATEGY...
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D C 0
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*
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D Z_BINARY C 0
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D Z_ASCII C 1
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D Z_UNKNOWN C 2
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*
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D Z_DEFLATED C 8
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*
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D Z_NULL C 0
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*
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**************************************************************************
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* Types
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**************************************************************************
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*
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D z_streamp S * Stream struct ptr
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D gzFile S * File pointer
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D gz_headerp S *
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D z_off_t S 10i 0 Stream offsets
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D z_off64_t S 20i 0 Stream offsets
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*
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**************************************************************************
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* Structures
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**************************************************************************
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*
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* The GZIP encode/decode stream support structure.
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*
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D z_stream DS align based(z_streamp)
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D zs_next_in * Next input byte
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D zs_avail_in 10U 0 Byte cnt at next_in
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D zs_total_in 10U 0 Total bytes read
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D zs_next_out * Output buffer ptr
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D zs_avail_out 10U 0 Room left @ next_out
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D zs_total_out 10U 0 Total bytes written
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D zs_msg * Last errmsg or null
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D zs_state * Internal state
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D zs_zalloc * procptr Int. state allocator
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D zs_free * procptr Int. state dealloc.
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D zs_opaque * Private alloc. data
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D zs_data_type 10i 0 ASC/BIN best guess
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D zs_adler 10u 0 Uncompr. adler32 val
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D 10U 0 Reserved
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D 10U 0 Ptr. alignment
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*
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**************************************************************************
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* Utility function prototypes
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**************************************************************************
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*
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D compress PR 10I 0 extproc('compress')
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D dest 65535 options(*varsize) Destination buffer
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D destLen 10U 0 Destination length
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D source 65535 const options(*varsize) Source buffer
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D sourceLen 10u 0 value Source length
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*
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D compress2 PR 10I 0 extproc('compress2')
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D dest 65535 options(*varsize) Destination buffer
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D destLen 10U 0 Destination length
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D source 65535 const options(*varsize) Source buffer
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D sourceLen 10U 0 value Source length
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D level 10I 0 value Compression level
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*
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D compressBound PR 10U 0 extproc('compressBound')
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D sourceLen 10U 0 value
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*
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D uncompress PR 10I 0 extproc('uncompress')
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D dest 65535 options(*varsize) Destination buffer
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D destLen 10U 0 Destination length
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D source 65535 const options(*varsize) Source buffer
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D sourceLen 10U 0 value Source length
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*
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D uncompress2 PR 10I 0 extproc('uncompress2')
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D dest 65535 options(*varsize) Destination buffer
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D destLen 10U 0 Destination length
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D source 65535 const options(*varsize) Source buffer
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D sourceLen 10U 0 Source length
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*
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/if not defined(LARGE_FILES)
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D gzopen PR extproc('gzopen')
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D like(gzFile)
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D path * value options(*string) File pathname
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D mode * value options(*string) Open mode
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/else
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D gzopen PR extproc('gzopen64')
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D like(gzFile)
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D path * value options(*string) File pathname
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D mode * value options(*string) Open mode
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*
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D gzopen64 PR extproc('gzopen64')
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D like(gzFile)
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D path * value options(*string) File pathname
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D mode * value options(*string) Open mode
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/endif
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*
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D gzdopen PR extproc('gzdopen')
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D like(gzFile)
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D fd 10I 0 value File descriptor
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D mode * value options(*string) Open mode
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*
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D gzbuffer PR 10I 0 extproc('gzbuffer')
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D file value like(gzFile) File pointer
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D size 10U 0 value
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*
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D gzsetparams PR 10I 0 extproc('gzsetparams')
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D file value like(gzFile) File pointer
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D level 10I 0 value
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D strategy 10I 0 value
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*
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D gzread PR 10I 0 extproc('gzread')
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D file value like(gzFile) File pointer
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D buf 65535 options(*varsize) Buffer
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D len 10u 0 value Buffer length
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*
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D gzfread PR 20I 0 extproc('gzfread')
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D buf 65535 options(*varsize) Buffer
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D size 20u 0 value Buffer length
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D nitems 20u 0 value Buffer length
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D file value like(gzFile) File pointer
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*
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D gzwrite PR 10I 0 extproc('gzwrite')
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D file value like(gzFile) File pointer
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D buf 65535 const options(*varsize) Buffer
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D len 10u 0 value Buffer length
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*
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D gzfwrite PR 20I 0 extproc('gzfwrite')
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D buf 65535 options(*varsize) Buffer
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D size 20u 0 value Buffer length
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D nitems 20u 0 value Buffer length
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D file value like(gzFile) File pointer
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*
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D gzputs PR 10I 0 extproc('gzputs')
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D file value like(gzFile) File pointer
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D s * value options(*string) String to output
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*
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D gzgets PR * extproc('gzgets')
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D file value like(gzFile) File pointer
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D buf 65535 options(*varsize) Read buffer
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D len 10i 0 value Buffer length
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*
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D gzputc PR 10i 0 extproc('gzputc')
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D file value like(gzFile) File pointer
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D c 10I 0 value Character to write
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*
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D gzgetc PR 10i 0 extproc('gzgetc')
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D file value like(gzFile) File pointer
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*
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D gzgetc_ PR 10i 0 extproc('gzgetc_')
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D file value like(gzFile) File pointer
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*
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D gzungetc PR 10i 0 extproc('gzungetc')
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D c 10I 0 value Character to push
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D file value like(gzFile) File pointer
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*
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D gzflush PR 10i 0 extproc('gzflush')
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D file value like(gzFile) File pointer
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D flush 10I 0 value Type of flush
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*
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/if not defined(LARGE_FILES)
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D gzseek PR extproc('gzseek')
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D like(z_off_t)
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D file value like(gzFile) File pointer
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D offset value like(z_off_t) Offset
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D whence 10i 0 value Origin
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/else
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D gzseek PR extproc('gzseek64')
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D like(z_off_t)
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D file value like(gzFile) File pointer
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D offset value like(z_off_t) Offset
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D whence 10i 0 value Origin
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*
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D gzseek64 PR extproc('gzseek64')
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D like(z_off64_t)
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D file value like(gzFile) File pointer
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D offset value like(z_off64_t) Offset
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D whence 10i 0 value Origin
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/endif
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*
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D gzrewind PR 10i 0 extproc('gzrewind')
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D file value like(gzFile) File pointer
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*
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/if not defined(LARGE_FILES)
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D gztell PR extproc('gztell')
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D like(z_off_t)
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D file value like(gzFile) File pointer
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/else
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D gztell PR extproc('gztell64')
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D like(z_off_t)
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D file value like(gzFile) File pointer
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*
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D gztell64 PR extproc('gztell64')
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D like(z_off64_t)
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D file value like(gzFile) File pointer
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/endif
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*
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/if not defined(LARGE_FILES)
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D gzoffset PR extproc('gzoffset')
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D like(z_off_t)
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D file value like(gzFile) File pointer
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/else
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D gzoffset PR extproc('gzoffset64')
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D like(z_off_t)
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D file value like(gzFile) File pointer
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*
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D gzoffset64 PR extproc('gzoffset64')
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D like(z_off64_t)
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D file value like(gzFile) File pointer
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/endif
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*
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D gzeof PR 10i 0 extproc('gzeof')
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D file value like(gzFile) File pointer
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*
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D gzdirect PR 10i 0 extproc('gzdirect')
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D file value like(gzFile) File pointer
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*
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D gzclose_r PR 10i 0 extproc('gzclose_r')
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D file value like(gzFile) File pointer
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*
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D gzclose_w PR 10i 0 extproc('gzclose_w')
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D file value like(gzFile) File pointer
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*
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D gzclose PR 10i 0 extproc('gzclose')
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D file value like(gzFile) File pointer
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*
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D gzerror PR * extproc('gzerror') Error string
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D file value like(gzFile) File pointer
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D errnum 10I 0 Error code
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*
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D gzclearerr PR extproc('gzclearerr')
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D file value like(gzFile) File pointer
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*
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**************************************************************************
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* Basic function prototypes
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**************************************************************************
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*
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D zlibVersion PR * extproc('zlibVersion') Version string
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*
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D deflateInit PR 10I 0 extproc('deflateInit_') Init. compression
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D strm like(z_stream) Compression stream
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D level 10I 0 value Compression level
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D version * value options(*string) Version string
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D stream_size 10i 0 value Stream struct. size
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*
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D deflate PR 10I 0 extproc('deflate') Compress data
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D strm like(z_stream) Compression stream
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D flush 10I 0 value Flush type required
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*
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D deflateEnd PR 10I 0 extproc('deflateEnd') Termin. compression
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D strm like(z_stream) Compression stream
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*
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D inflateInit PR 10I 0 extproc('inflateInit_') Init. expansion
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D strm like(z_stream) Expansion stream
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D version * value options(*string) Version string
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D stream_size 10i 0 value Stream struct. size
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*
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D inflate PR 10I 0 extproc('inflate') Expand data
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D strm like(z_stream) Expansion stream
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D flush 10I 0 value Flush type required
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*
|
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|
D inflateEnd PR 10I 0 extproc('inflateEnd') Termin. expansion
|
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|
|
D strm like(z_stream) Expansion stream
|
|
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|
*
|
|
|
|
|
**************************************************************************
|
|
|
|
|
* Advanced function prototypes
|
|
|
|
|
**************************************************************************
|
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*
|
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|
D deflateInit2 PR 10I 0 extproc('deflateInit2_') Init. compression
|
|
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|
D strm like(z_stream) Compression stream
|
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|
|
D level 10I 0 value Compression level
|
|
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|
D method 10I 0 value Compression method
|
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|
D windowBits 10I 0 value log2(window size)
|
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|
D memLevel 10I 0 value Mem/cmpress tradeoff
|
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|
|
D strategy 10I 0 value Compression strategy
|
|
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|
|
D version * value options(*string) Version string
|
|
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|
|
D stream_size 10i 0 value Stream struct. size
|
|
|
|
|
*
|
|
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|
|
D deflateSetDictionary...
|
|
|
|
|
D PR 10I 0 extproc('deflateSetDictionary') Init. dictionary
|
|
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|
D strm like(z_stream) Compression stream
|
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|
|
|
D dictionary 65535 const options(*varsize) Dictionary bytes
|
|
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|
D dictLength 10U 0 value Dictionary length
|
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|
|
*
|
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|
|
D deflateCopy PR 10I 0 extproc('deflateCopy') Compress strm 2 strm
|
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|
D dest like(z_stream) Destination stream
|
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|
D source like(z_stream) Source stream
|
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*
|
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|
D deflateReset PR 10I 0 extproc('deflateReset') End and init. stream
|
|
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|
|
D strm like(z_stream) Compression stream
|
|
|
|
|
*
|
|
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|
|
D deflateParams PR 10I 0 extproc('deflateParams') Change level & strat
|
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|
|
D strm like(z_stream) Compression stream
|
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|
|
D level 10I 0 value Compression level
|
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|
D strategy 10I 0 value Compression strategy
|
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*
|
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|
|
D deflateTune PR 10I 0 extproc('deflateTune')
|
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D strm like(z_stream) Compression stream
|
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|
|
D good 10I 0 value
|
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|
D lazy 10I 0 value
|
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|
|
D nice 10I 0 value
|
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|
|
D chain 10I 0 value
|
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|
*
|
|
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|
|
D deflateBound PR 10U 0 extproc('deflateBound') Change level & strat
|
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|
|
D strm like(z_stream) Compression stream
|
|
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|
|
D sourcelen 10U 0 value Compression level
|
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*
|
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|
|
D deflatePending PR 10I 0 extproc('deflatePending') Change level & strat
|
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|
D strm like(z_stream) Compression stream
|
|
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|
|
D pending 10U 0 Pending bytes
|
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|
D bits 10I 0 Pending bits
|
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|
|
*
|
|
|
|
|
D deflatePrime PR 10I 0 extproc('deflatePrime') Change level & strat
|
|
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|
|
D strm like(z_stream) Compression stream
|
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|
|
D bits 10I 0 value # of bits to insert
|
|
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|
|
D value 10I 0 value Bits to insert
|
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|
*
|
|
|
|
|
D inflateInit2 PR 10I 0 extproc('inflateInit2_') Init. expansion
|
|
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|
|
D strm like(z_stream) Expansion stream
|
|
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|
|
D windowBits 10I 0 value log2(window size)
|
|
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|
|
D version * value options(*string) Version string
|
|
|
|
|
D stream_size 10i 0 value Stream struct. size
|
|
|
|
|
*
|
|
|
|
|
D inflateSetDictionary...
|
|
|
|
|
D PR 10I 0 extproc('inflateSetDictionary') Init. dictionary
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
D dictionary 65535 const options(*varsize) Dictionary bytes
|
|
|
|
|
D dictLength 10U 0 value Dictionary length
|
|
|
|
|
*
|
|
|
|
|
D inflateGetDictionary...
|
|
|
|
|
D PR 10I 0 extproc('inflateGetDictionary') Get dictionary
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
D dictionary 65535 options(*varsize) Dictionary bytes
|
|
|
|
|
D dictLength 10U 0 Dictionary length
|
|
|
|
|
*
|
|
|
|
|
D deflateGetDictionary...
|
|
|
|
|
D PR 10I 0 extproc('deflateGetDictionary') Get dictionary
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
D dictionary 65535 options(*varsize) Dictionary bytes
|
|
|
|
|
D dictLength 10U 0 Dictionary length
|
|
|
|
|
*
|
|
|
|
|
D inflateSync PR 10I 0 extproc('inflateSync') Sync. expansion
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
*
|
|
|
|
|
D inflateCopy PR 10I 0 extproc('inflateCopy')
|
|
|
|
|
D dest like(z_stream) Destination stream
|
|
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|
|
D source like(z_stream) Source stream
|
|
|
|
|
*
|
|
|
|
|
D inflateReset PR 10I 0 extproc('inflateReset') End and init. stream
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
*
|
|
|
|
|
D inflateReset2 PR 10I 0 extproc('inflateReset2') End and init. stream
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
D windowBits 10I 0 value Log2(buffer size)
|
|
|
|
|
*
|
|
|
|
|
D inflatePrime PR 10I 0 extproc('inflatePrime') Insert bits
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
D bits 10I 0 value Bit count
|
|
|
|
|
D value 10I 0 value Bits to insert
|
|
|
|
|
*
|
|
|
|
|
D inflateMark PR 10I 0 extproc('inflateMark') Get inflate info
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
*
|
|
|
|
|
D inflateCodesUsed...
|
|
|
|
|
PR 20U 0 extproc('inflateCodesUsed')
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
*
|
|
|
|
|
D inflateValidate...
|
|
|
|
|
PR 20U 0 extproc('inflateValidate')
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
D check 10I 0 value
|
|
|
|
|
*
|
|
|
|
|
D inflateGetHeader...
|
|
|
|
|
PR 10U 0 extproc('inflateGetHeader')
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
D head like(gz_headerp)
|
|
|
|
|
*
|
|
|
|
|
D deflateSetHeader...
|
|
|
|
|
PR 10U 0 extproc('deflateSetHeader')
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
D head like(gz_headerp)
|
|
|
|
|
*
|
|
|
|
|
D inflateBackInit...
|
|
|
|
|
D PR 10I 0 extproc('inflateBackInit_')
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
D windowBits 10I 0 value Log2(buffer size)
|
|
|
|
|
D window 65535 options(*varsize) Buffer
|
|
|
|
|
D version * value options(*string) Version string
|
|
|
|
|
D stream_size 10i 0 value Stream struct. size
|
|
|
|
|
*
|
|
|
|
|
D inflateBack PR 10I 0 extproc('inflateBack')
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
D in * value procptr Input function
|
|
|
|
|
D in_desc * value Input descriptor
|
|
|
|
|
D out * value procptr Output function
|
|
|
|
|
D out_desc * value Output descriptor
|
|
|
|
|
*
|
|
|
|
|
D inflateBackEnd PR 10I 0 extproc('inflateBackEnd')
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
*
|
|
|
|
|
D zlibCompileFlags...
|
|
|
|
|
D PR 10U 0 extproc('zlibCompileFlags')
|
|
|
|
|
*
|
|
|
|
|
**************************************************************************
|
|
|
|
|
* Checksum function prototypes
|
|
|
|
|
**************************************************************************
|
|
|
|
|
*
|
|
|
|
|
D adler32 PR 10U 0 extproc('adler32') New checksum
|
|
|
|
|
D adler 10U 0 value Old checksum
|
|
|
|
|
D buf 65535 const options(*varsize) Bytes to accumulate
|
|
|
|
|
D len 10U 0 value Buffer length
|
|
|
|
|
*
|
|
|
|
|
D adler32_combine...
|
|
|
|
|
PR 10U 0 extproc('adler32_combine') New checksum
|
|
|
|
|
D adler1 10U 0 value Old checksum
|
|
|
|
|
D adler2 10U 0 value Old checksum
|
|
|
|
|
D len2 20U 0 value Buffer length
|
|
|
|
|
*
|
|
|
|
|
D adler32_z PR 10U 0 extproc('adler32_z') New checksum
|
|
|
|
|
D adler 10U 0 value Old checksum
|
|
|
|
|
D buf 65535 const options(*varsize) Bytes to accumulate
|
|
|
|
|
D len 20U 0 value Buffer length
|
|
|
|
|
*
|
|
|
|
|
D crc32 PR 10U 0 extproc('crc32') New checksum
|
|
|
|
|
D crc 10U 0 value Old checksum
|
|
|
|
|
D buf 65535 const options(*varsize) Bytes to accumulate
|
|
|
|
|
D len 10U 0 value Buffer length
|
|
|
|
|
*
|
|
|
|
|
D crc32_combine...
|
|
|
|
|
PR 10U 0 extproc('crc32_combine') New checksum
|
|
|
|
|
D crc1 10U 0 value Old checksum
|
|
|
|
|
D crc2 10U 0 value Old checksum
|
|
|
|
|
D len2 20U 0 value Buffer length
|
|
|
|
|
*
|
|
|
|
|
D crc32_z PR 10U 0 extproc('crc32_z') New checksum
|
|
|
|
|
D crc 10U 0 value Old checksum
|
|
|
|
|
D buf 65535 const options(*varsize) Bytes to accumulate
|
|
|
|
|
D len 20U 0 value Buffer length
|
|
|
|
|
*
|
|
|
|
|
**************************************************************************
|
|
|
|
|
* Miscellaneous function prototypes
|
|
|
|
|
**************************************************************************
|
|
|
|
|
*
|
|
|
|
|
D zError PR * extproc('zError') Error string
|
|
|
|
|
D err 10I 0 value Error code
|
|
|
|
|
*
|
|
|
|
|
D inflateSyncPoint...
|
|
|
|
|
D PR 10I 0 extproc('inflateSyncPoint')
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
*
|
|
|
|
|
D get_crc_table PR * extproc('get_crc_table') Ptr to ulongs
|
|
|
|
|
*
|
|
|
|
|
D inflateUndermine...
|
|
|
|
|
D PR 10I 0 extproc('inflateUndermine')
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
D arg 10I 0 value Error code
|
|
|
|
|
*
|
|
|
|
|
D inflateResetKeep...
|
|
|
|
|
D PR 10I 0 extproc('inflateResetKeep') End and init. stream
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
*
|
|
|
|
|
D deflateResetKeep...
|
|
|
|
|
D PR 10I 0 extproc('deflateResetKeep') End and init. stream
|
|
|
|
|
D strm like(z_stream) Expansion stream
|
|
|
|
|
*
|
|
|
|
|
/endif
|
