Chapter 8, Problem 8.14E

(What Does This Code Do?) What does this program do?
1. // EX. 8.14: ex08 14.cpp
2. // What does this program do?
3. #include <iostream>
4. using namespace std;
5.
6. int mystery2(const char*);//prototype
7.
8. int main () {
9. char string1[80];
10.
11. cout <<”Enter a string:";
12. cin >string1;
13. cout << mystery2(string1)<< endl;
14. }
15.
16. // What does this function do?
17. int mystery2 (const char* s) {
18. unsigned int x;
19.
20. for (x = 0; *s != ‘\0’; ++s) {
21. ++x ;
22. }
23.
24. return x;
25. }
Fig. 8.20| What does this program do?