Why cannot use pointer of pointer as parameter to declare a function receive pointer of array

Question

I have a c function receiving pointer of array as its one parameter.

Since pass an array is actually the pointer of its first element, so the pointer of an array should

Answer 1

so the pointer of an array should be a pointer of pointer.

No. Arrays are not pointers. Pointer to pointer and pointer to array both are of different types.

&arr is of type int (*)[4]. You are passing an argument of type pointer to an array of 4 int while your function expects argument of type int **.

Change the function declaration to

int receiveArrayPtr(int (*arrPtrPara)[4])