#include“stdlib.h“
#include“stdio.h“
#include“graphics.h“
#include“string.h“
#include“conio.h“
#define?file?“c:\\bookdata.txt“
#define?ufile?“c:\\userdata.txt“
#define?bfile?“c:\\borrowdata.txt“
int?bookcount;
int?usercount;
int?borrowcount;
int?booksum;
int?myborrow;

int?flg=0;
int?esc=0;
int?flag=0;

/*?【自學去】網站收集?http://www.zixue7.com?*/

/************定義輸出字符的函數*************/

void?pchar（int?xint?ychar?c）
{
gotoxy（xy）;
putch（c）;
}

/**********************定義畫邊框的函數*************/
void?box（int?xint?yint?wint?height）
{

int?i;
pchar（xy218）;/*left?up*/
pchar（x+w-1y191）;?/*??right?up*/
for（i=0;i{
	pchar（x+1+iy196）;
	pchar（x+1+iy+height-1196）;
}
pchar（xy+height-1192）;
pchar（x+w-1y+height-1217）;
for（i=0;i