Thank you to anyone who has already donated - your generous donations helped make three months of treatment possible.

My brother Nate continues to fight stage IV Hodgkin's lymphoma. He's just 31, with a wife and baby girl. They have no active income (since he's been unable to return to work), no insurance, and cannot afford the treatment he needs. Nate and his family need your help. Please consider a donation, every dollar helps. Thanks.

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/* return true of char is "." or ".." */
#define DOT    ('.' << 8)
#define DOTDOT ('.' << 16 | DOT)
bool check_special_dirs(const char* name)
{
    int32_t val = name[0] << 8 | name[1];
    return (val == DOT) || ((((val<<8) | name[2]) == DOTDOT));
}

bool check_special_dirs2(const char* name)
{
    int char0 = name[0], char1 = name[1];
    if (char0 == '.')
    {
        if (!char0)
            return true;
        if (char1 == '.')
            return !name[2];
    }
    return false;
}

bool check_special_dirs3(const char* name)
{
    int char0 = name[0], char1 = name[1];
    if (char0 != '.')
        return false;
    if (!char0)
        return true;
    if (char1 == '.')
        return !name[2];
}