Using c++ to implement research Library management system which has the following features:
1-Adding a new book in book linked list, the node of linked list of books consists of the following items (Book name, Book ISBN, Number of copies, Head pointer of the copies queue, and Pointer to next book)

2-Adding book copies in copies queue, the node of book copies queue consists of the following items (Copy date, Available or is borrow flag, Borrower, Borrow date, Number of days to return the book set it by default 15 days, Pointer to next copy)
3- Adding book borrow
Update book copies with borrower name and update borrow date and number of days to return the book copy
4- Adding book return
clear borrower and borrow date and number of days to return of the book copy
5-Library inventory