#include "stdio.h"
#include <stdlib.h>
#include <conio.h>
#include <string.h>
#define SIZE 100 /* mac.ros definition*/
typedef struct
{
    long Number;        /*Field of number     */
    char Name[20];      /*Field of name       */
    float price;        /*Field of price      */
    float discount;     /*Field of discount   */
    float memberprice;  /*Filed of memberprice*/
}product;
extern void CreatFile();         /*創(chuàng)建信息文件*/
extern void AddRecord();         /*增加        */
extern void DelRecord();         /*刪除        */
extern void ModifyByNumber();    /*修改        */
extern void QueryBySeatNum();    /*按序號(hào)查詢  */
extern void QueryByName();       /*按姓名查詢  */
extern void SortByMemberPrice(); /*按會(huì)員價(jià)查詢  */