what does this mean char (*(*a[4])())[5]?

Question

Hi I came across the question in \"Test your skills in c++\".

Please let me know what does it mean with an example?

Edited Section

Answer 1

I cheated by removing what I think is an extra right-parenthesis and pasting the result into cdecl.

declare a as array 4 of pointer to function returning pointer to array 5 of char