Declaring a Structure Globally So That It Is Available Throughout the Program

Structure1.cpp

#include

#include

#include

#include

// Declaring a Structure globally so that it is available throughout the program.

struct book

{

        char title[20];                 // Attribute of the structure book.

        char author[20];         // Attribute of the structure book.

        int edition;                 // Attribute of the structure book.

        char isbn[14];                 // Attribute of the structure book.

        char publisher[20];         // Attribute of the structure book.

        float price;                 // Attribute of the structure book.

};

void main()

{

        clrscr();

        cout << "Structure Called book is already created."<< endl;

// Creating objects/entities from the structure. b1 & b2 are known as objects/entities.

        book b1, b2;

        cout << "Objects b1 & b2 of structure book are created."<< endl;

// Creating objects and initialization simultaneously from the structure.

        book b3 = { "Let Us C","YK",4,"81-7656-940-2","BPB",180 };

// Display the contents of the b3 object.

        cout << "The content of object b3 is ... " << endl;

        cout << "Title     : " << b3.title << endl;

        cout << "Author    : " <<  b3.author << endl;

        cout << "Edition   : " <<  b3.edition << endl;

        cout << "ISBN      : " <<  b3.isbn << endl;

        cout << "Publisher : " <<  b3.publisher << endl;

        cout << "Price     : " <<  b3.price << endl;

// copying the content of one object of structure into another object.

        b1 = b3;

        // Shall we repeat all the above statement for b1 object?  No, we should find another way to do the job easily.

        // .......................Thinking...............                        //...........................ok..................

        // Now pass the whole object into a function as an argument.

// Declaring a function having structure as an argument.

        void display(struct book);

// call display function.

        cout << "The content of object b1 is ... " << endl;

        display(b1);

// Accept the information from the user and store it into b2 object.

        cout << "Enter information for b2 object." << endl;