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// p.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include<stdio.h>
#include<string.h>
int n_char(FILE *fp)
{ int num = 0;
char s[20];
while(!feof(fp))
{ fscanf(fp, "%s", s); //读取字符串 num += strlen(s); //叠加字符数
}
printf("字符数（不计空格和回车）有%d个\n",num);
rewind(fp); //绕回文件指针
return num;
}
int n_world(FILE *fp)
{
char s[20];
int n = 0, num = 0;
while(!feof(fp))
{
if(fscanf(fp, "%s", s) && !(s[0] >=‘0‘ && s[0] <=‘9‘))
n++;
else
num++;
}
printf("单词数有%d个，数字有%d个\n",n,num);
rewind(fp);
return n;
}
int n_row(FILE *fp)
{

int n = 1;
char ch;
while(!feof(fp))
{
if((ch = fgetc(fp) == ‘\n‘)) n++;
}
printf("有%d行\n", n); rewind(fp);
return n;
}
void main()
{
FILE *fp;
fp = fopen("d:\\aaa.txt", "r"); //打开文件
n_char(fp);
n_world(fp);
n_row(fp);
fclose(fp);
}

运行测试

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原文地址：http://www.cnblogs.com/jingaaaaa/p/5561148.html