Case study

Watcom C 6.5: reconstructing damaged runtime libraries

Watcom C 6.5 run-time library restoration rebuilds damaged CLIBS.LIB and CLIBC.LIB from surviving archive modules. It maps sector loss, converts modules from intact memory-model libraries, reconstructs selected C routines from machine code and records provenance for each result; the author reports matching every surviving byte used for comparison.

Targets: Binary
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-07

Stars: 1
Last commit: 2026-11-09
Language: Python
License (GitHub): MIT

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: The specified original Watcom C 6.5 archive, Python 3.8+ and DOSBox-X.
Limits: The provenance record identifies rebuilt modules with no surviving bytes for comparison and gives their confidence levels.
License: MIT license.

Cite

BibTeX

@misc{watcom-c-6-5-restoration-case,
  title = {{Watcom C 6.5: reconstructing damaged runtime libraries}},
  howpublished = {\url{https://github.com/nrnelson/watcom-c-6.5-restoration}},
  url = {https://github.com/nrnelson/watcom-c-6.5-restoration},
  urldate = {2026-11-07},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/watcom-c-6-5-restoration-case/}}
}

Plain text

Watcom C 6.5: reconstructing damaged runtime libraries. https://github.com/nrnelson/watcom-c-6.5-restoration (accessed 2026-11-07). Awesome REA entry: https://awesomerea.org/resources/watcom-c-6-5-restoration-case/

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About this entry

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Primary sources

README.md GitHub · nrnelson/watcom-c-6.5-restoration · Revision c251e47
METHOD.md GitHub · nrnelson/watcom-c-6.5-restoration · Revision c251e47