palindrome.c

/**
 * @file palindrome.c
 */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include <cs50.h>

bool isPalindrome(char* text);

int main()
{
    printf("Enter a word: ");
    char* input = GetString();
    if (isPalindrome(input))
        printf("%s is a palindrome\n", input);
    else
        printf("%s isn't a palindrome\n", input);
    free(input);
    return 0;
}

/**
 * Test if text is palindrome (case sensitive).
 * @returns @c true if @p text is palindrome, @c false otherwise
 */
bool isPalindrome(char* text)
{
    int start = 0;
    int end = strlen(text) - 1;
    while (start < end)
        if (text[start++] != text[end--])
            return false;
    return true;
}