// GuestDatabase.h

#include "GuestInfo.h"

extern void AddGuest();
  // MODIFIES: cout, cin
  // POST: prompts are added to cout,
  // and information about a guest is read
  // from cin.  This information is stored
  // in the database.

extern void DeleteGuest();
  // MODIFIES: cout, cin, cerr
  // POST: a prompt is added to cout, and
  // a guest name is read from cin.  The
  // guest is removed if in the database,
  // and an error message is issued if
  // the guest is not in the database.

extern void SearchForGuest();
  // MODIFIES: cout, cin, cerr
  // POST: a prompt is added to cout, and
  // the a guest name  is read from cin.
  // The guest's information is added
  // to cout if the guest is found,
  // otherwise an error is added to cerr.

extern void PrintSortedGuestList();
  // MODIFIES: cout
  // POST: a list of guest information is
  // added to cout; the information is in
  // ascending order by name.