How Not to Program in C++

32 Chapter 3

Program 21: No Comment

What does the following program print? Why?

1 /************************************************

2 * demonstrate how to do a divide. *

3 ************************************************/

4 #include <iostream>

5

6 /************************************************

7 * div -- Do a divide *

8* *

9 * Returns: Result of the divide. *

10 * *

11 * divisor is reset to 1. *

12 ************************************************/

13 static int div(

14 int *divisor // Pointer to the divisor

15 )

16 {

17 int result = 5; // Dividend

18

19 result=result/*divisor; /* Do divide */;

20 *divisor=1;

21 return (result);

22 }

23

24 int main()

25 {

26 intnum=5 ...