Palendrome.c

#include <stdio.h>
#include <stdbool.h>
#include <string.h>

bool palendrome (char* const word)
{
    size_t len   = strlen (word);
    char  *start = word,
          *end   = start + len - 1;

    while (memcmp (start, end, 1) == 0 && start++ < end--)
        continue;

    if (start > end)
        return true;
    else
        return false;

}

int main(int argc, char *argv[])
{
    if (palendrome (argv[1]))
        puts ("true");
    else
        puts ("false");

    return 0;
}