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1995-01-28
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readme(ccard) readme(ccard)
NAME
ccard - credit card number validation
DESCRIPTION
This program may be used to validate credit card numbers.
The format is a soubroutine to do the checking, and a
small main() to test it with. It works correctly for all
of my credit cards, no other claims of accuracy are made!
The code should work on must C comopilers, but I've only
tested it on SunOS 4.1.3 cc and gcc-2.6.0.
HISTORY
The original program was written in BASIC and posted to
alt.sources.wanted in October, 1994. The original author
was Chris Stone <cstone@hms.com>.
It was then translated into C by Peter Miller
<pmiller@agso.gov.au> and posted to alt.sources later the
same month. This program then received more email feed-
back in the first week the the author's more serious
efforts did in the same time.
AUTHORS
Derived from code by Chris Stone <cstone@hms.com>, The
High Mountain Software Internet Gateway.
Translated to C by Peter Miller, 28-Oct-94.
This source is hereby placed in the Public Domain. Please
leave the authors' names on it, and document all changes.
NO WARRANTY
BECAUSE THE PROGRAM IS IN THE PUBLIC DOMAIN, THERE IS NO
WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING
THE AUTHORS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS
IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR
IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAR-
RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFOR-
MANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM
PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SER-
VICING, REPAIR OR CORRECTION.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO
IN WRITING WILL ANY AUTHOR, OR ANY OTHER PARTY WHO MAY
MODIFY AND/OR REDISTRIBUTE THE PROGRAM, BE LIABLE TO YOU
FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY
TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED
BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO
OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH AUTHOR OR
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readme(ccard) readme(ccard)
OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES.
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