gistfile1.txt

int reverse(char s[])
{
    int len, i;
    char copied[MAXLINE];

    copy(copied, s);    

    for (len = 0; ; ++len)
        if (s[len] == '\n')
            break;
    for (i = 0; i <= len; ++i)
        if (copied[i] == '\n')
            break;
        s[len - i] = copied[i];

    
    return 0; 
}