Program in C to determine palindrome string

/* Write a C program to determine if the given string is a palindrome or not */

#include<stdio.h>

#include<string.h>

enum Boolean{false,true};

enum Boolean IsPalindrome(char string[])

{

            int left,right,len=strlen(string);

            enum Boolean matched=true;

            if(len==0)

                        return 0;

            left=0;

            right=len-1;

            /* Compare the first and last letter,second & second last & so on */

            while(left<right&&matched)

            {

                        if(string[left]!=string[right])

                                    matched=false;

                        else

                        {

                                    left++;

                                    right--;

                        }

            }

            return matched;

}

int main()

{

            char string[40];

            clrscr();

            printf("****Program to test if the given string is a palindrome****\n");

            printf("Enter a string:");

            scanf("%s",string);

            if(IsPalindrome(string))

                        printf("The given string %s is a palindrome\n",string);

            else

                        printf("The given string %s is not a palindrome\n",string);

            getch();

            return 0;

}