#include 
    
     #define MAXLINE 10int 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)        {            max = len;            copy(longest,line);        }    if(max > 0)        printf("%d  %s\n",max,longest);    return 0;}int getline(char s[],int lim){    int c,i;    for(i = 0; (c=getchar()) != EOF && c != '\n';i++)    {		if(i < lim-2)        s[i] = c;    }    if(c == '\n')    {		if(i >= lim-2)		{			s[lim-2] = '\n';					s[lim-1] = '\0';		}    }    return i;}void copy(char to[],char from[]){    int i = 0;    while((to[i] = from[i]) != '\0')        i++;}比较蛋疼！统计总的字符数，打印能打印的最多字符。