#define _GNU_SOURCE
#include <stdio.h>
#define MAXLINE 1000
    int getline(char line[], int maxline);
        main()
            {

                int len;
                char line[MAXLINE];
                while (len=(getline(line, MAXLINE))>0)

                        if(len>80)
                            printf("%s", line);
                        return 0;
            }