need help with error messages

I don't understand why I keep getting these error messages.

Script started on Sat Dec 01 15:26:18 2001
strauss.udel.edu% cat card.h

// header file for card class



#ifndef CARD_H

#define CARD_H



#include <iostream>



class Card {

friend istream &operator>>(istream&, Card&);

private:

char *name;

int size3;

int size4;

char *phone;

int CardID;

int BookID;

public:

Card();

Card(char *, int *, int, int);

void print();

~Card();

Card(const Card&);

Card& operator=(const Card&);

int getCardID() {return CardID;}

int getBookID() {return BookID;}

void setBookID(int);

};



#endif

strauss.udel.edu% cat card.cc

//member definitions for card class



#include "card.h"

#include <iostream>

using std :: cout;

using std :: endl;

#include <cassert>

#include <string>



Card :: Card()

{

name = NULL;

phone = NULL;

CardID = 0;

BookID = 0;

}

Card :: Card (char *n, int *p, int c, int b)

{

size3 = strlen(n) + 1;

name = new char[size3];

strcpy(name, n);



size4 = strlen(p) + 1;

phone = new char[size4];

strcpy(phone, p);



CardID = c;

BookID = b;

}

istream &operator>>(istream &input, Card &c)

{

char x[100];

char ch = input.get();



input.getline(x, 100);

c.name = new char[strlen(x) + 1];

strcpy(c.name, x);



input.getline(x, 100);

c.phone = new char[strlen(x) + 1];

strcpy(c.phone, x);



input >> c.CardID >> c.BookID;



return input;

}

void Card :: print() {



cout << name << endl;

cout << phone << endl;

cout << CardID << " " << BookID << endl;

}

Card :: ~Card() {



delete name;

delete phone;

}

Card :: Card(const Card &c) {



if(c.name) {

name = new char[strlen(c.name) + 1];

assert(name != 0);

size3 = (strlen(c.name) + 1);



for(int i = 0; i < size3; i++)

name[i] = c.name[i];

}else

name = NULL;



if(c.phone) {

phone = new char[strlen(c.phone) + 1];;

assert(phone != 0);

size4 = (strlen(c.phone) + 1);



for(int j = 0; j < size4; j++)

phone[j] = c.phone[j];

}else

phone = NULL;



CardID = c.CardID;

BookID = c.BookID;

}

void Card :: setBookID(int b) {



BookID = b;



}

Card &Card :: operator=(const Card &c) {

if(this != c) {

delete name;



name = new char[strlen(c.name) + 1];

strcpy(name, c.name);



phone = new char[strlen(c.phone) + 1];

strcpy(phone, c.phone);



CardID = c.CardID;

BookID = c.BookID;



return *this;

}

}











strauss.udel.edu% make

CC -c card.cc

"card.h", line 9: Warning (Anachronism): Class friends require an explicit "class".

"card.h", line 9: Error: "," expected instead of "&".

"card.h", line 10: Error: Use ";" to terminate declarations.

"card.cc", line 23: Error: Formal argument 1 of type const char* in call to std::strlen(const char*) is being passed int*.

"card.cc", line 25: Error: Formal argument 2 of type const char* in call to std::strcpy(char*, const char*) is being passed int*.

"card.cc", line 33: Error: The type "istream" is incomplete.

"card.cc", line 35: Error: The type "istream" is incomplete.

"card.cc", line 36: Error: name is not accessible from operator>>(istream&, Card&).

"card.cc", line 37: Error: name is not accessible from operator>>(istream&, Card&).

"card.cc", line 39: Error: The type "istream" is incomplete.

"card.cc", line 40: Error: phone is not accessible from operator>>(istream&, Card&).

"card.cc", line 41: Error: phone is not accessible from operator>>(istream&, Card&).

"card.cc", line 43: Error: CardID is not accessible from operator>>(istream&, Card&).

"card.cc", line 43: Error: The type "istream" is incomplete.

"card.cc", line 43: Error: BookID is not accessible from operator>>(istream&, Card&).

"card.cc", line 89: Error: The operation "Card* != const Card" is illegal.

15 Error(s) and 1 Warning(s) detected.

*** Error code 15

make: Fatal error: Command failed for target `card.o'

strauss.udel.edu% exit

strauss.udel.edu%
script done on Sat Dec 01 15:26:39 2001