Is it optional to use struct keyword before declaring a structure object?

Question

To declare a class object we need the format

classname objectname;

Is it the sameway to declare a structure object?

like

Answer 1

You have to typedef them to make objects without struct keyword

example:

typedef struct Books {
     char Title[40];
     char Auth[50];
     char Subj[100];
     int Book_Id;
} Book;

Then you can define an object without the struct keyword like:

Book thisBook;