C program to find that given string is palindrome or not.

#include<stdio.h>

#include<conio.h>

#include<string.h>

void main(){

char a[20],b[20];

int i;

clrscr();

printf("Enter a string\n");

gets(a);

strcpy(b,a);

strrev(b);

i=strcmp(a,b);

if (i==0) 

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

else 

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

getch();

}