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zlib (3)
  • >> zlib (3) ( Solaris man: Библиотечные вызовы )
  • zlib (3) ( FreeBSD man: Библиотечные вызовы )
  • zlib (3) ( Linux man: Библиотечные вызовы )
  • Ключ zlib обнаружен в базе ключевых слов.
         libz - compression/decompression library
         [see zlib.h for full description]
         The libz (zlib) library is a general purpose  data  compres-
         sion  library.   The  code  is thread safe.  It provides in-
         memory compression and  decompression  functions,  including
         integrity  checks of the uncompressed data.  This version of
         the library supports only one compression method (deflation)
         but  other  algorithms will be added later and will have the
         same stream interface.
         Compression can be done in a single step if the buffers  are
         large  enough  (for example if an input file is mmap'ed), or
         can be done by repeated calls of the  compression  function.
         In  the latter case, the application must provide more input
         and/or consume the  output  (providing  more  output  space)
         before each call.
         The library also supports reading and writing files in  gzip
         (.gz) format with an interface similar to that of stdio.
         The library does not install any signal handler. The decoder
         checks  the  consistency  of  the  compressed  data,  so the
         library should never crash even in case of corrupted input.
         All functions of the compression library are  documented  in
         the  file zlib.h.  The distribution source includes examples
         of use of the library the files example.c and minigzip.c.
         A Java implementation of  zlib  is  available  in  the  Java
         Development Kit 1.1
         A  Perl  interface  to  zlib,  written  by   Paul   Marquess
         (  is available at CPAN (Comprehen-
         sive Perl Archive Network) sites, such as:
         A  Python  interface  to  zlib  written  by  A.M.   Kuchling
         <> is available from the Python Software Asso-
         ciation sites, such as:
         Questions about zlib should be sent to:
      or,  if  this  fails,  to  the
              author addresses given below.  The zlib home page is:
         The data format used by the zlib library is described by RFC
         (Request for Comments) 1950 to 1952 in the files:
     (zlib format)
              rfc1951.txt (deflate format)
              rfc1952.txt (gzip format)
         These documents are also available in other formats from:
         Version  1.1.3  Copyright  (C)  1995-1998  Jean-loup  Gailly
         ( and Mark Adler (
         This software is provided "as-is," without  any  express  or
         implied  warranty.   In  no  event  will the authors be held
         liable  for  any  damages  arising  from  the  use  of  this
         software.   See  the  distribution directory with respect to
         requirements governing redistribution.  The  deflate  format
         used by zlib was defined by Phil Katz.  The deflate and zlib
         specifications were written by L. Peter Deutsch.  Thanks  to
         all  the  people who reported problems and suggested various
         improvements in zlib; who are too numerous to cite here.
         UNIX manual page by R. P. C. Rodgers, U.S. National  Library
         of Medicine (
         Source for zlib is available in the SUNWzlibS package.

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