6.16 The equivalence of for and while loops, mentioned in Example 6.64, is not precise. Give an example in which it breaks down. Hint: think about the continue statement. A much simpler form of combination loop appears in C and its successors. Semantically, the C for loop is logically controlled. It was designed, however, to make enumeration easy. Our Modula-2 example EXAMPLE 6.64 Combination (for) loop in C FOR i := first TO last BY step DO END would usually be written in C as for (i = first; i