图书馆管理系统 c语言编写

#include "stdio.h"

#include "stdlib.h"

#include "conio.h"

#include "string.h"

#include "math.h"

#define LEN sizeof(struct library)

#define LEN1 sizeof(struct reader)

#define NULL 0

struct library//图书馆结构体

{int shuhao,xcl;

char name[20],author[20],chuban[20];

struct library *next;

};

struct reader//读者结构体

{

int zhenghao;

char mingzi[20],riqi[20],zname[20];

struct reader *next;

};

void mainmenu() //显示主菜单

{ system ("cls");

printf("\n");

printf("\t\t\t\t####################\n\n");

printf("\t\t\t\t 1.图书馆信息\n\n");

printf("\t\t\t\t 2.借阅系统\n\n");

printf("\t\t\t\t 3.退出系统\n\n");

printf("\t\t\t 请按键选择，回车确定\n");

printf("\t\t\t\t######################\n");

printf("\n");

return ;

}

void menu1() //显示图书馆信息菜单

{ system ("cls");

printf("");

printf("\t\t\t\t####################\n\n");

printf("\t\t\t\t 1.采编入库\n\n");

printf("\t\t\t\t 2.清除库存\n\n");

printf("\t\t\t\t 3.图书查询\n\n");

printf("\t\t\t\t 4.库存一览\n\n");

printf("\t\t\t\t 5.返回上一层\n\n");

printf("\t\t\t 请按键选择，回车确定\n");

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