Write the prototype for a function that takes an array of exactly 16 integers

Question

One of the interview questions asked me to \"write the prototype for a C function that takes an array of exactly 16 integers\" and I was wondering what it could be? Maybe a

Answer 1

I think the simplest way to be typesafe would be to declare a struct that holds the array, and pass that:

struct Array16 {
  int elt[16];
};


void Foo(struct Array16* matrix);