#include <iostream.h>
#include <iomanip.h>

const int MAXNAME = 20;   // maximum no. of characters in a name
const int MAXTEL = 16;    // maximum no. of characters in a telephone number

struct TeleType
{
  char name[MAXNAME];
  char phoneNo[MAXTEL];
  TeleType *nextaddr;
};

void display(TeleType *);       // function prototype

int main()
{
  TeleType t1 = {"Acme, Sam","(555) 898-2392"};
  TeleType t2 = {"Dolan, Edith","(555) 682-3104"};
  TeleType t3 = {"Lanfrank, John","(555) 718-4581"};
  TeleType *first;    // create a pointer to a structure

  first = &t1;        // store t1's address in first
  t1.nextaddr = &t2;  // store t2's address in t1.nextaddr
  t2.nextaddr = &t3;  // store t3's address in t2.nextaddr
  t3.nextaddr = NULL; // store the NULL address in t3.nextaddr

  display(first);     // send the address of the first structure

  return 0;
}

void display(TeleType *contents) // contents is a pointer to a structure
{                                // of type TeleType
  while (contents != NULL)   // display till end of linked list
  {
    cout << '\n' << setiosflags(ios::left)
         << setw(30) << contents->name
         << setw(20) << contents->phoneNo ;
    contents = contents->nextaddr;     // get next address
  }
  cout << endl;

  return;
}