c语言实现wc功能

最新推荐文章于 2021-05-25 10:06:07 发布

转载最新推荐文章于 2021-05-25 10:06:07 发布 · 606 阅读

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原文链接：http://www.cnblogs.com/vonzc/p/7609153.html

文章标签：

#c/c++ #操作系统

本随笔对网站http://blog.chinaunix.net/uid-22566367-id-381958.html有所借鉴

#include <stdio.h>

#define BEGIN 1;

int main(int argc, char *argv[])
{
   int characters, lines, words, state;
   char c;

   state = characters = lines = words = 0;
   while((c = getchar()) != '0') {
       characters++;
       if(c == '\n') {
           lines++;
           state = 0;
           continue;
       } else if(c == ' ') {
           state = 0;
           continue;
       } else if(c == '\t') {
           state = 0;
           continue;
       } else {
           if(state == 0) {
               state = BEGIN;
               words++;
           }
           continue;
       }
   }

   printf("%d characters. %d words. %d lines.\n", characters, words, lines);
}