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Program Discussion :: Strings
Home > Programs > Strings

91. Write a recursive function to find the length of the of string.

Answer:

#include <stdio.h>
#include <iostream>
using namespace std; 
int stringLength(char *str)
{
    static int length=0;
    if(*str!=NULL)
    {
        length++;
        stringLength(++str);
    }
    else
    {
        return length;
    }
}
int main()
{
    char str[100];
    int length=0;    
    cout<<"Enter a string: ";
    gets(str);
    length=stringLength(str);
    cout<<"Total number of characters (string length) are:\n"<<length;
    return 0;
}

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