► Write a function "initializeBook" that returns a structure of books ▸ Attributes of a book are: title, author, subject, and unique ID ▸ A book is initialized in the function via the parameters "title, author, and subject". The uniqueID is computed within of the function. ▸ Initialize the structure book in the heap memory to guarantee that the life time is longer than the function call. ▸ Implement a main function that call the initializeBook function in an appropriate way. ► Declare a struct book variable as pointer which is initialized by the return value (when calling the initializeBook function) ▸ Print out the values of the initialized book ▸ Free the pointer in a "safe" way!

► Write a function "initializeBook" that returns a structure of books ▸ Attributes of a book are: title, author, subject, and unique ID ▸ A book is initialized in the function via the parameters "title, author, and subject". The uniqueID is computed within of the function. ▸ Initialize the structure book in the heap memory to guarantee that the life time is longer than the function call. ▸ Implement a main function that call the initializeBook function in an appropriate way. ► Declare a struct book variable as pointer which is initialized by the return value (when calling the initializeBook function) ▸ Print out the values of the initialized book ▸ Free the pointer in a "safe" way!

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Types of Linked List

A sequence of data elements connected through links is called a linked list (LL). The elements of a linked list are nodes containing data and a reference to the next node in the list. In a linked list, the elements are stored in a non-contiguous manner and the linear order in maintained by means of a pointer associated with each node in the list which is used to point to the subsequent node in the list.

Linked List

When a set of items is organized sequentially, it is termed as list. Linked list is a list whose order is given by links from one item to the next. It contains a link to the structure containing the next item so we can say that it is a completely different way to represent a list. In linked list, each structure of the list is known as node and it consists of two fields (one for containing the item and other one is for containing the next item address).

Question

► Write a function "initializeBook" that returns a structure of
books
▸ Attributes of a book are: title, author, subject, and unique ID
▸ A book is initialized in the function via the parameters "title,
author, and subject". The uniqueID is computed within of the
function.
▸ Initialize the structure book in the heap memory to guarantee that
the life time is longer than the function call.
► Implement a main function that call the initializeBook
function in an appropriate way.
► Declare a struct book variable as pointer which is initialized by
the return value (when calling the initializeBook function)
▸ Print out the values of the initialized book
► Free the pointer in a "safe" way!

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