#include 
     
      #include 
      
       struct Books{	char title[50];	//char author[100];	//int  book_id;};int main(){	struct Books b1;	strcpy(b1.title,"C语言");	struct Books *p1;	p1 = &b1;	strcpy(p1->title,"Java 语言！");	printf("Books title:%s\n",(*p1).title);//指针指向 (*p1).title  (*p1) = b1;	printf("Books title:%s\n",b1.title);	return 0;}
      
     

#include 
     
      #include 
      
       struct bookinfo{	char *info;	char *page;};struct Books{	char *name;	int xh;	struct bookinfo *pinfo;};int main(){	struct bookinfo binfo = {"产地深圳","900"};	struct Books b1 = {		"C语言",100,&binfo	};	/*定义结构体指针*/	struct Books *p = &b1;	printf("name:%s xh:%d info:%s page:%s\n",p->name,p->xh,p->pinfo->info, p->pinfo->page);			return 0;}