#include "stdio.h"
#include <stdlib.h>
#include <conio.h>
#include <string.h>
#define SIZE 100 
/*結構體類型student*/
typedef struct
{
    long Number;        /*Field of number        */
    char Name[20];      /*Field of name          */
    float chinesescore; /*Field of chinesescore  */
    float mathscore;    /*Field of mathscore     */
    float heji;         /*Filed of heji    */
}student;
extern void CreatFile();       /*創建信息文件*/
extern void AddRecord();       /*增加學生信息*/
extern void DelRecord();       /*刪除學生信息*/
extern void ModifyByNumber();  /*修改學生信息*/
extern void QueryBySeatNum();  /*按學號查詢  */
extern void QueryByName();     /*按姓名查詢  */
extern void SortByheji();      /*按總分查詢  */