Discuss how the value returning function be declared as function prototype and function definition. How to call your value returning function and get back the value to the calling function?

C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter6: Modularity Using Functions
Section6.1: Function And Parameter Declarations
Problem 13E
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#include<iostream>
#include<string>
3 using namespace std;
//function prototypes
//Function declaration indicates what the function is
6 bool PassValidator (string);
7
int main()
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string password;
PassValidator (password);
13
14 //function definitions
//Function Definition indicates what the function does.
15 bool PassValidator (string password)
16 {
17
PLEASE ENTER HOW MANY CHARACTERS YOU WOULD LIKE "<<endl;
cout <<
<<"
YOUR PASSWOR MUST HAVE AT LEAST EIGHT TO EIGHTEEN CHARACTERS ONLY."<<endl;
cout << "
<<endl;
cout <<"Password: ";
cin>>password;
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25
if (password.size()<8 || password.size() >18)
{
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cout << endl;
28
cout<<< "Your password: "<<password<<", is invalid because it does not meet requirements listed above. "<<endl;
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return false;
31
}
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else
{
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cout << endl;
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cout<<"Your password: << password<< ", is an acceptable password. "<<endl;
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return true;
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~~8555555550 SAN
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12
18
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23
-0-0
-0
}
bat bat
Transcribed Image Text:#include<iostream> #include<string> 3 using namespace std; //function prototypes //Function declaration indicates what the function is 6 bool PassValidator (string); 7 int main() 981 10 string password; PassValidator (password); 13 14 //function definitions //Function Definition indicates what the function does. 15 bool PassValidator (string password) 16 { 17 PLEASE ENTER HOW MANY CHARACTERS YOU WOULD LIKE "<<endl; cout << <<" YOUR PASSWOR MUST HAVE AT LEAST EIGHT TO EIGHTEEN CHARACTERS ONLY."<<endl; cout << " <<endl; cout <<"Password: "; cin>>password; 24 25 if (password.size()<8 || password.size() >18) { 26 27 cout << endl; 28 cout<<< "Your password: "<<password<<", is invalid because it does not meet requirements listed above. "<<endl; 29 30 return false; 31 } 32 33 else { 34 35 cout << endl; 11 36 cout<<"Your password: << password<< ", is an acceptable password. "<<endl; 37 38 return true; 39 40 41 42 ~~8555555550 SAN 11 12 18 19 20 21 22 23 -0-0 -0 } bat bat
b. Discuss how the value returning function be declared as function
prototype and function definition. How to call your value returning
function and get back the value to the calling function?
Transcribed Image Text:b. Discuss how the value returning function be declared as function prototype and function definition. How to call your value returning function and get back the value to the calling function?
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