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Код: Выделить всё

struct card 
{
	char *author; 
	char *title;  
	char *city;   
	char *firm;   
	int year;     
	int pages;    
};

struct record 
{
	card book;
	record *prior;
	record *next;
};

card books[] = 
{
		{ "Winer R.S.", "Jasik Turbo C++", "M", "Mir", 1991, 384 },
		{ "Stroustrup B.", "Jasik C++", "Kiev", "DiaSoft", 1993, 560 },
		{ "Turbo C++", "Rukovodstvo programmista", "M", "INTKV", 1991, 394 },
		{ "Lippman S.B.", "C++ dlj nachinauchih", "M", "GELION", 1993, 496 }
};

void main()
{
	record *begin = NULL,  //указатель на начало списка
		   *last = NULL,  // указатель на очередную запись
		   *list;                 //указатель на элементы списка

	//n – кол-во записей в списке
	int n = sizeof(books)/sizeof(books[0]);

	for(int i = 0; i < n; ++i)
	{
		last = new(record);

		(*last).book.author = books[i].author;
		(*last).book.title = books[i].title;
		last->book.city = books[i].city;
		last->book.firm = books[i].firm;
		last->book.year = books[i].year;
		last->book.pages = books[i].pages;

		if(begin == NULL) 
		{
			last->prior = NULL;
			begin = last; 
			last->next = NULL;
		}
		else 
		{ 
			list = begin;

			while(list)
			{
				if(strcmp(last->book.author, list->book.author) < 0)
				{	
					if(begin == list)
					{
						last->prior = NULL;
						begin = last;
					}
					else
					{
						list->prior->next = last;
						last->prior = list->prior;
					}

					list->prior = last;
					last->next = list;

					break;
				}

				if(list->next == NULL)
				{
					last->next = NULL;
					last->prior = list;
					list->next = last;

					break;
				}

				list = list->next;

			} 
		} 
	}

}

Код: Выделить всё

char *b;
cin >> b;
card str = {b};
books[4] = str;

Код: Выделить всё

card c;

c.author = new char [30];
cin >> c.author;
// И так для всех полей типа char*

Код: Выделить всё

#include <string>
#include <vector>

struct card 
{
    std::string author; 
    std::string title;  
    std::string city;   
    std::string firm;   
    int year;     
    int pages;    
};

card init_books[] = 
{
        { "Winer R.S.", "Jasik Turbo C++", "M", "Mir", 1991, 384 },
        { "Stroustrup B.", "Jasik C++", "Kiev", "DiaSoft", 1993, 560 },
        { "Turbo C++", "Rukovodstvo programmista", "M", "INTKV", 1991, 394 },
        { "Lippman S.B.", "C++ dlj nachinauchih", "M", "GELION", 1993, 496 }
};

std::vector<card> vecBooks(init_books, init_books+4);

void main()
{
   card newCard;
   // fill new card
   vecBooks.push_back(newCard);
}

Код: Выделить всё

cin >> add.author;
…………………..
books[i].author = add.author;
………………………..

Код: Выделить всё

(*last).book.author = books[i].author;