2011-10-4+【K&R+】+1-16+打印那个最长的那行！

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/* * this is the frist program exercise where the spec isn't entirely clear. */#include<stdio.h>#define MAXLINE 1000 /* maximum input line size*/int ffgetline(char line[], int maxline);void copy(char to[],char from[]);/* print longest input line */int main(void){int len;int max;char line[MAXLINE];char longest[MAXLINE];max = 0;while((len = ffgetline(line, MAXLINE)) > 0){printf("%d: %s",len ,line);if(len > max){max = len;copy(longest,line);}}if(max > 0){printf("Longest is %d characters: \n%s",max,longest);}printf("\n");return 0;}/*ffgetline: read a line into s, return length*/int ffgetline(char s[], int lim){int c,i,j;for(i = 0, j = 0; (c = getchar())!=EOF && c != '\n';i++){if( i < lim - 1){s[j++] = c;}}if (c == '\n'){if(i <= lim-1){s[j++] = c;}++i;}s[j]='\0';return i;}void copy(char to[], char from[]){int i;i = 0;while((to[i] = from[i]) != '\0'){i++;}}

这一段当时没有看明白作者的意思，在抄写的过程中，