Book structure in C

book_struct.c

#include <stdio.h>
#include <string.h>

struct Book {
	char title[100];
	char author[100];
	int number_of_pages;
};

int main() {
	struct Book let_us_c;

	// you can ignore this comment block if you don't understand
	// THIS IS INVALID when we use an array
	//                |
	//                V
	// let_us_c.title = "Let Us C";

	// we need to use strcpy when we use an array
	strcpy(let_us_c.title, "Let Us C");
	strcpy(let_us_c.author, "Yashavant P. Kanetkar");
	let_us_c.number_of_pages = 593;

	printf("Information for let us c book\n");
	printf("Title: %s\n", let_us_c.title);
	printf("Author: %s\n", let_us_c.author);
	printf("Pages: %d\n", let_us_c.number_of_pages);

	return 0;
}