C学习笔记之读文件

#include<stdio.h>
#include<stdlib.h>
FILE * flp;
int main()
{
        char arry[800000];
        int a,i=0;
        flp=fopen("/root/CLANGUAGE/not","r");
        if(flp)//打开文件成功
          {
           fgets(arry,800000,flp);//读取一行,判断是否为空,读的长度为800000
            if(!feof(flp))
            {
             while(!feof(flp))//循环打印,直到行为endoffile
              {
                printf("arry is %s",arry);
                fgets(arry,800000,flp);
              }
              if(feof(flp))//对文件结束符做一个判断
                printf("end-of-file\n");
            }
             else
                printf("file is null\n");
          }
        else
          {
            printf(" open file occur error\n");
            return 0;
          }
         fclose(flp);
          return 1;

}