Can I declare a local array of a size matching a passed-in array?

C Interview Questions and Answers

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Can I declare a local array of a size matching a passed-in array?

Q: Can I declare a local array (or parameter array) of a size matching a passed-in array, or set by another parameter?

Historically, you couldn't, but in C99 (and in some pre-C99 compilers with extensions) you can. A:

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