Check if String is Palindrome

1#include <stdio.h>
2#include <string.h>
3#include <stdbool.h>
4
5bool isPalindrome(char str[]) {
6    int left = 0;
7    int right = strlen(str) - 1;
8    
9    while (left < right) {
10        if (str[left] != str[right]) {
11            return false;
12        }
13        left++;
14        right--;
15    }
16    return true;
17}
18
19int main() {
20    char str[100];
21    
22    printf("Enter a string: ");
23    scanf("%99s", str);
24    
25    if (isPalindrome(str)) {
26        printf("\"%s\" is a Palindrome\n", str);
27    } else {
28        printf("\"%s\" is Not a Palindrome\n", str);
29    }
30    
31    return 0;
32}