332 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			332 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
      *  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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      *  Version 1.2.3
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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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     D ZLIB_VERSION    C                   '1.2.3'
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     D ZLIB_VERNUM     C                   X'1230'
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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_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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      *
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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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     DZ_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 z_off_t         S             10i 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                      32767    options(*varsize)                    Destination buffer
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     D  destLen                      10U 0                                      Destination length
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     D  source                    32767    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                      32767    options(*varsize)                    Destination buffer
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     D  destLen                      10U 0                                      Destination length
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     D  source                    32767    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                      32767    options(*varsize)                    Destination buffer
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     D  destLen                      10U 0                                      Destination length
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     D  source                    32767    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 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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      *
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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 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                       32767    options(*varsize)                    Buffer
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     D  len                          10u 0 value                                Buffer length
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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                       32767    const options(*varsize)              Buffer
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     D  len                          10u 0 value                                Buffer length
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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                       32767    options(*varsize)                    Read buffer
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     D  len                          10i 0 value                                Buffer length
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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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     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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      *
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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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     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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      *
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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 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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      *
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      **************************************************************************
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      *                        Advanced function prototypes
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      **************************************************************************
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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 stategy
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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 deflateSetDictionary...
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     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                32767    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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      *
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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 stategy
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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 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                                Number of bits to insert
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     D  value                        10I 0 value                                Bits to insert
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      *
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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
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     D  stream_size                  10i 0 value                                Stream struct. size
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      *
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     D inflateSetDictionary...
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     D                 PR            10I 0 extproc('inflateSetDictionary')      Init. dictionary
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     D  strm                               like(z_stream)                       Expansion stream
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     D  dictionary                32767    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 inflateSync     PR            10I 0 extproc('inflateSync')               Sync. expansion
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     D  strm                               like(z_stream)                       Expansion stream
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      *
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     D inflateCopy     PR            10I 0 extproc('inflateCopy')
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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 inflateReset    PR            10I 0 extproc('inflateReset')              End and init. stream
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     D  strm                               like(z_stream)                       Expansion stream
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      *
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     D inflateBackInit...
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     D                 PR            10I 0 extproc('inflateBackInit_')
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     D  strm                               like(z_stream)                       Expansion stream
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     D  windowBits                   10I 0 value                                Log2(buffer size)
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     D  window                    32767    options(*varsize)                    Buffer
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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 inflateBack     PR            10I 0 extproc('inflateBack')
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     D  strm                               like(z_stream)                       Expansion stream
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     D  in                             *   value procptr                        Input function
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     D  in_desc                        *   value                                Input descriptor
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     D  out                            *   value procptr                        Output function
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     D  out_desc                       *   value                                Output descriptor
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      *
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     D inflateBackEnd  PR            10I 0 extproc('inflateBackEnd')
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     D  strm                               like(z_stream)                       Expansion stream
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      *
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     D zlibCompileFlags...
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     D                 PR            10U 0 extproc('zlibCompileFlags')
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      *
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      **************************************************************************
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      *                        Checksum function prototypes
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      **************************************************************************
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      *
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     D adler32         PR            10U 0 extproc('adler32')                   New checksum
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     D  adler                        10U 0 value                                Old checksum
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     D  buf                       32767    const options(*varsize)              Bytes to accumulate
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     D  len                          10U 0 value                                Buffer length
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      *
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     D crc32           PR            10U 0 extproc('crc32')                     New checksum
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     D  crc                          10U 0 value                                Old checksum
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     D  buf                       32767    const options(*varsize)              Bytes to accumulate
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     D  len                          10U 0 value                                Buffer length
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      *
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      **************************************************************************
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      *                     Miscellaneous function prototypes
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      **************************************************************************
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      *
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     D zError          PR              *   extproc('zError')                    Error string
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     D  err                          10I 0 value                                Error code
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      *
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     D inflateSyncPoint...
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     D                 PR            10I 0 extproc('inflateSyncPoint')
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     D  strm                               like(z_stream)                       Expansion stream
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      *
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     D get_crc_table   PR              *   extproc('get_crc_table')             Ptr to ulongs
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      *
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      /endif
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