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harbour-core/contrib/hbnf/byteneg.prg
vszakats 9687850865 2013-03-16 02:10 UTC+0100 Viktor Szakats (harbour syenar.net)
* (all files)
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2013-03-16 02:11:42 +01:00

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/*
* Author....: Forest Belt, Computer Diagnostic Services, Inc.
* CIS ID....: ?
*
* This is an original work by Forest Belt and is placed in the
* public domain.
*
* Modification history:
* ---------------------
*
* Rev 1.2 15 Aug 1991 23:03:04 GLENN
* Forest Belt proofread/edited/cleaned up doc
*
* Rev 1.1 14 Jun 1991 19:51:14 GLENN
* Minor edit to file header
*
* Rev 1.0 01 Apr 1991 01:00:52 GLENN
* Nanforum Toolkit
*
*/
FUNCTION ft_ByteNeg( cByte )
IF HB_ISSTRING( cByte )
RETURN hb_BChar( ( 256 - hb_BCode( cByte ) ) % 256 )
ENDIF
RETURN NIL