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- History of DIFF.C
-
- DIFF was developed by Kevin Kenny, when he was still here, on
- an 8-bit CP/M system using BDS C. Later, I converted the source
- to 16-bit CP/M-86 using the CP/M-86 version of Computer
- Innovations C-86 C compiler. Later yet, I converted it to MS-DOS
- generic using the MS-DOS version of CI C-86. Stil later yet, it
- was used as a test of portablility of C source by converting it
- to both Lattice and Mark Williams C. It has successfully run
- under all conditions. I believe that Kevin converted it to
- Waterloo C on GCOS just before he left but that source appears to
- be lost.
-
- As you can see from his copyright statement, Kevin developed
- this program in 1983, if my memory serves me correctly, early
- 1983. It has not been functionally modified since the first
- release. Kevin did release the source to the 'public domain'
- through the C-Users' Group (then the BDS C-Users' Group.) His
- intent, as he informed me, in copyrighting the source was to
- discourage commercial use of his source in products that were
- later sold.
-
- There are two versions of the main source program in this
- archive, DIFF.BDS and DIFF.C. DIFF.BDS is, I believe, Kevin's
- original source as released to th C-Users's Group. DIFF.C is the
- converted form for one of the 16-bit C compilers, from the '.h'
- files, I would say Lattice C. The DOC file is untouched by human
- hands since Kevin wrote it. I do NOT guarantee that the .EXE
- file was produced from the DIFF.C file, it may well be the .EXE
- file produced by the Mark Williams compiler.
-
- DIFF has not yet been converted to Aztec C (8-bit or 16-bit),
- DeSmet C, Microsoft C, MIX C, or any other 8- or 16-bit C.
-
-
- Don-Willx4396
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-