c读取文本文档

 1 #include <iostream>
 2 #include <string>
 3 #include <stdlib.h>
 4 #include <stdio.h>
 5 
 6 
 7 using namespace std;
 8 
 9 //void swap(int, int);
10 
11 int main(){
12     FILE *fp = NULL;
13     char a;
14     fp = fopen("C:\\Documents and Settings\\Administrator\\桌面\\isotree.txt", "r");
15     int count = 0;
16 
17     if(NULL != fp){
18         do{
19             a = fgetc(fp);
20     //        printf("%c", a);
21             if(a == ‘\n‘)
22             {
23                 count ++;
24             }
25         }while(a != EOF);
26     }
27     
28     fclose(fp);
29     
30     cout<<"count line:"<<count<<endl;
31 
32     return 0;
33 }