#include<stdio.h>
#include<stdlib.h>
struct Book
{
char title[128];
char author[40];
struct Book *next;
}
void getInput(struct Book *book)
{
printf("请输入书名:");
scanf("%s",book->title);
printf("请输入作者:");
scanf("%s",book->author);
}
void addBook(struct Book **library)
{
struct Book *book,*temp;
book=(struct Book *)malloc(sizeof(struct Book));
if(book==NULL)
{
printf("内存分配失败了\n");
exit(1);
}
getInput(book);
if(*library!=NULL)
{
temp=*library;
*library=book;
book->next=temp;
}
else
{
*library=book;
book->next=NULL;
}
}
void printlibrary(struct Book *library)
{
struct Book *book;
int count=1;
book=library;
while(book!=NULL)
{
printf("Book%d:",count);
printf("书名:%s",book->title);
printf("作者:%s",book->author);
book=book->next;
count++;
}
}
void releaselibrary(struct Book *library)
{
while(library!=NULL);
{
free(library);
}
}
int main(void)
{
struct Book *library=NULL;
int ch;
while(1)
{
printf("请问是否需要录入书籍信息(Y/N):");
do
{
ch=getchar();
}while(ch!='Y'&&ch!='N');
if(ch=='Y')
{
addBook(&library);
}
else
{
break;
}
}
printf("请问是否需要打印图书信息(Y/N):");
do
{
ch=getchar();
}while(ch!='Y'&&ch!='N');
if(ch=='Y')
{
printlibrary(library);
}
releaselibrary(library);
return 0;
}
您好,这是完整代码,老是报错,谢谢回答 |