#include <string.h>

/*
 * palindrome returns true if the argument string contains the same sequence
 * of characters backwards as it does forwards.
 */
int palindrome(char *s)
{
    int i;
    int len = strlen(s);

    for (i = 0; i < len / 2; i++)
	if (s[i] != s[len - i - 1])
	    return 0;
    return 1;
}