#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define SIZE (struct booklist *)malloc(sizeof(struct booklist))
//建立已借阅图书信息
构造体struct borrow
{char borbook_num[10];
char borbook_name[22];
char return_time[15];
char stu_num[15];
char stu_name[15];
struct borrow *next;
};//建立预借图书信息
构造体struct prebor_stu
{char prebook_num[10];
char prestu_num[15];
struct prebor_stu *next;
};//建立图书
构造体struct booklist{
char num[10];
char name[22];
char zuozhe[15];
char leibie[10];
char pub_time[10];
char pri ...


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