Discussion
Is there any difference in the following declarations?
int fun(int arr[]);
int fun(int arr[2]);
Answer: B
Correct answer: No
There is no difference. In a parameter list an array declarator is adjusted to a pointer, so both int arr[] and int arr[2] become int *arr. The compiler ignores the bound entirely - which is why a function cannot tell how long the array it was passed really is, and why the length is usually passed as a second parameter.
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