#include<conio.h>
#include<iostream>
struct book
int bookid;
char title;
float price;
display(book);
book input();
;
int main()
book b1;
b1=input();
display(b1);
display(book b)
std::cout<<"\n"<<b.bookid<<" "<<b.title<<" "<<b.price;
book input(book b)
book b;
std::cout<<"Enter Bookid,Title,Price :";
std::cin>>b.bookid>>b.title>>b.price;
return(b);
error: 1st : error: 'input' was not declared in this scope
2nd : error: 'display' was not declared in this scope
3rd : error: declaration of 'book b' shadows a parameter