字符数组 （ 台湾人翻译成矩阵）

#include <stdio.h>#define MAXLINE 1000  /* maximum input line size */int getline(char line[], int maxline);void copy(char to[], char from[]);/* print longest input line */main(){int len;/* current line length */int max;/* maximum length seen so far */char line[MAXLINE];char longest[MAXLINE];max = 0;while ((len = getline(line, MAXLINE)) > 0)if (len > max) {max = len;copy(longest, line);}if (max > 0)printf("%s", longest);return 0;}/* getline: read a line into s, return length */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;}/* copy: copy 'from' into 'to'; assume to is big enough */void copy(char to[], char from[]){int i;i = 0;while ((to[i]= from[i]) != '\0');++i;}