int main()
{

    int len;    /* current line length */
    int max;    /* maximum length seen so far */
    char line[MAXLINE];     /* current input line */
    char longest[MAXLINE];  /* longest line saved here */

    max = 0;
    while((len = getlines(line, MAXLINE))>0)
        if(len > max){
            max = len;
            copy(longest, line);
        }
    if(max > 0)   /* there was a line */
        printf("%s", longest);
    return 0;


}