for data structures and algorithms in C++ by drozdek in Chapter 1, Problem 5E wh

Question

for data structures and algorithms in C++ by drozdek

in

Chapter 1, Problem 5E

why are you returning a char not an int????

edit - i dont understand why you return a char in this question...:

Please help thanks

Program Code: * This program demonstrates implementation of string functions using pointers #include #include using namespace std I/(a) Strlen function //The function “strienO" finds length of string. It takes /header pointer of character array as function arguments I/checks until the string reaches null and calculates //length of the string. int Strlen(char *s) //Declare a character pointer "tmp" and assign "s" to it char *tmp = s; //Check until null charater reaches while (*s++'o'); //length of the string return s -tmp -1

Explanation / Answer

#include <iostream>
#include<conio.h>

using namespace std;

int string_ln(char *);
int string_ln(char*p)
{
   int count = 0;
   while (*p != '') {
      count++;
      p++;
   }
   return count;
}

int main() {

   // Declare Variables
   char str[20];
   int length;

   cout << "Calculating the Length of String ";

   cout << "Enter Any string [below 20 chars] : ";
   cin>>str;

      length = string_ln(str);
    cout<<" length of the string is: "<<length;

   getch();
   return 0;
}

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