operation manual

our
efforts or the library will fulfill any of your particular
purposes
or needs. This library is provided with all faults, and the
entire
risk of satisfactory quality, performance, accuracy, and effort
is with
the user.
libpng versions 0.97, January 1998, through 1.0.6, March 20,
2000, are
Copyright (c) 1998, 1999 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as
libpng-0.96,
with the following individuals added to the list of Contributing
Authors:
Tom Lane
Glenn Randers-Pehrson
Willem van Schaik
libpng versions 0.89, June 1996, through 0.96, May 1997, are
Copyright (c) 1996, 1997 Andreas Dilger
Distributed according to the same disclaimer and license as
libpng-0.88,
with the following individuals added to the list of Contributing
Authors:
John Bowler
Kevin Bracey
Sam Bushell
Magnus Holmgren
Greg Roelofs
Tom Tanner
libpng versions 0.5, May 1995, through 0.88, January 1996, are
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
For the purposes of this copyright and license, "Contributing
Authors"
is defined as the following set of individuals:
Andreas Dilger
Dave Martindale
Guy Eric Schalnat
Paul Schmidt
Tim Wegner
The PNG Reference Library is supplied "AS IS". The
Contributing Authors
and Group 42, Inc. disclaim all warranties, expressed or
implied,
including, without limitation, the warranties of
merchantability and of
fitness for any purpose. The Contributing Authors and Group
42, Inc.
assume no liability for direct, indirect, incidental, special,
exemplary,
or consequential damages, which may result from the use of
the PNG
Reference Library, even if advised of the possibility of such
damage.
Permission is hereby granted to use, copy, modify, and
distribute this
source code, or portions hereof, for any purpose, without fee,
subject
to the following restrictions:
be misrepresented as being the original source.
source or altered source distribution.
The Contributing Authors and Group 42, Inc. specifically
permit, without
fee, and encourage the use of this source code as a
component to
supporting the PNG file format in commercial products. If you
use this
source code in a product, acknowledgment is not required but
would be
A "png_get_copyright" function is available, for convenient
use in "about"
boxes and the like:
printf("%s",png_get_copyright(NULL));
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