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They are no longer allowed in C23. Citing the GCC documentation: "An old-style (or “K&R”) function definition is the way function definitions were written in the 1980s. [..] There is no reason to write a definition this way nowadays, but they can still be seen in older GNU programs." https://www.gnu.org/software/c-intro-and-ref/manual/html_node/Old_002dStyle-Function-Definitions.html
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@ge-ne Do you mind having a look? |
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Sorry for the long silence. I have thought about the issue and still have concerns about portability and backwards compatibility. Nevertheless a new release is due for beginning of next year. Till then I will have to come to a decision... |
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Use C89 style. The old style is no longer allowed with C23.