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A comment on Tell HN: C Experts Panel – Ask us anything about C. Parent comment

Re:Tell HN: C Experts Panel – Ask us anything about C by DougGwyn on Tuesday April 14, 2020 @05:58PM (#22872019)
Why is there a second argument which is not used?
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Re:Tell HN: C Experts Panel – Ask us anything about C by tropo on Tuesday April 14, 2020 @08:18PM (#22873038)
It could be for function pointer type compatibility.

There is an array of pointers, or there is a callback interface, or something like that. The type is set in stone.

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Re:Tell HN: C Experts Panel – Ask us anything about C by wnoise on Tuesday April 14, 2020 @06:52PM (#22872441)
To match an API where it is sometimes used.
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