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+ ZLIB version 1.2.11 for OS/400 installation instructions
+
+1) Download and unpack the zlib tarball to some IFS directory.
+ (i.e.: /path/to/the/zlib/ifs/source/directory)
+
+ If the installed IFS command suppors gzip format, this is straightforward,
+else you have to unpack first to some directory on a system supporting it,
+then move the whole directory to the IFS via the network (via SMB or FTP).
+
+2) Edit the configuration parameters in the compilation script.
+
+ EDTF STMF('/path/to/the/zlib/ifs/source/directory/os400/make.sh')
+
+Tune the parameters according to your needs if not matching the defaults.
+Save the file and exit after edition.
+
+3) Enter qshell, then work in the zlib OS/400 specific directory.
+
+ QSH
+ cd /path/to/the/zlib/ifs/source/directory/os400
+
+4) Compile and install
+
+ sh make.sh
+
+The script will:
+- create the libraries, objects and IFS directories for the zlib environment,
+- compile all modules,
+- create a service program,
+- create a static and a dynamic binding directory,
+- install header files for C/C++ and for ILE/RPG, both for compilation in
+ DB2 and IFS environments.
+
+That's all.
+
+
+Notes: For OS/400 ILE RPG programmers, a /copy member defining the ZLIB
+ API prototypes for ILE RPG can be found in ZLIB/H(ZLIB.INC).
+ In the ILE environment, the same definitions are available from
+ file zlib.inc located in the same IFS include directory as the
+ C/C++ header files.
+ Please read comments in this member for more information.
+
+ Remember that most foreign textual data are ASCII coded: this
+ implementation does not handle conversion from/to ASCII, so
+ text data code conversions must be done explicitely.
+
+ Mainly for the reason above, always open zipped files in binary mode.