Pointers and Arrays

Arrays under the hood

When we declare an array using an expression like int vec[5];, what is really happening behind the scenes, is that a block of memory is being allocated (on the stack in this case) large enough to hold five integers and the vec variable is a pointer that points to the first element in the array. When we index into the array with an expression like printf("vec[2] = %d\n", vec[2]); what is really happening is that C is ...