#include 
    
     #define MAXLINE 100#define MAX 8int getline(char line[],int maxline);void copy(char to[],char from[]);int main(){    int len;    int max;    char line[MAXLINE] = {0};    char longest[MAXLINE] = {0};    max = 0;    while((len = getline(line,MAXLINE)) > 0)	{		if(len > MAX)        {            copy(longest,line);        }        printf("%d  %s\n",len,longest);	}    return 0;}int getline(char s[],int lim){    int c,i;    for(i = 0; i < lim-1 && (c=getchar()) != EOF && c != '\n';i++)    {		s[i] = c;    }	if(c == '\n')	{		s[i] = c;		i++;	}	s[i] = '\0';    return i;}void copy(char to[],char from[]){    int i = 0;    while((to[i] = from[i]) != '\0')        i++;}
    

大于8 的字符串输出。