head=addbook(head);printf("添加成功!\n");printf("是否繼續添加新圖書(y/n)\n");scanf("%c",&j[0]);if(j[0]=='y')k=1;while(k!=0){head=addbook(head);printf("添加成功!\n");printf("是否繼續添加新圖書(y/n)\n");scanf("%c",&j[i]);i++;if(j[i]=='n')k=0;}int i=1;