#include "stdio.h"
ReadRecord()
{
FILE *fp;
student TmpS;
student Max;
Max.score=0;/*最高成績的初始值，用來比較得出榜首成績*/
/*打開排行榜，如果不能以讀方式打開，說明排行榜不存在，則初始化排行榜*/
if((fp=fopen("record","rb"))==NULL)
    { 
        SetRecord();/*調用初始化紀錄者函數*/
        fp=fopen("record","rb");
    }
/*循環讀取文件，取得考試者最高分數*/
while((fread(&TmpS,sizeof(student),1,fp)) != (int)NULL)
    {
     if(TmpS.score>Max.score)
         {
          strcpy(Max.name,TmpS.name);
          Max.score=TmpS.score;
         }
    }

fclose(fp);
printf("the recore keeper is %s ,the score is %d \n",Max.name,Max.score);
}
SetRecord()
{
char init[20]="student";
student Pro;
FILE *fp;
/*給初始紀錄賦值*/
strcpy(Pro.name,init);
Pro.score=0;
/*初始化紀錄者，即創建文件，寫入第一個結構體內容*/
/*用wb方式打開文件，即當文件不存在時會創建文件*/
if((fp=fopen("record","wb"))==NULL)
    { 
        printf("file open error\n"); 
        return ; 
    } 
if(fwrite(&Pro,sizeof(student),1,fp)!=1)
    printf("file write error\n");
fclose(fp);/**關閉排行榜/
}