#include <iostream.h>
#include <fstream.h>
#include <ctype.h>
#include <conio.h>
#include <string.h>

char GetAnswer(char *OK)
{char Choice;
 do
  Choice=toupper(getch());
 while (!strchr(OK,Choice));
 return(Choice);
}

void OutputDirection(ofstream &Dest)
{char FileName[40];
 int Done;
 do {
  Done=1;   // Assume ok. Will be ok unless a device open fails
  cout << "Output Destination:\nS)creen   P)rinter    D)isk\n";
  cout.flush();
  switch (GetAnswer("SPD")) {
   case 'S':
    Dest.open("con");
    if (Dest.fail()) {
     cout << "Attempt to Attach to Screen Failed\n";
     Done=0;
     Dest.close();
    }
    break;
   case 'P':
    Dest.open("prn");
    if (Dest.fail()) {
     cout << "Attempt to Attach to Printer Failed...Is Printer On Line?\n";
     Done=0;
     Dest.close();
    }
    break;
   case 'D':
	cin.ignore();
    cout << "Enter Filename to Open >";
    cin >> FileName;
    Dest.open(FileName,ios::out);
    if (Dest.fail()) {
     cout << "Attempt to Open " << FileName << " Failed\n";
     Done=0;
     Dest.close();
    }
  }
 } while (!Done);
}

// Open a file for reading. If file not opened, return -1, else return 0
int OpenForRead(ifstream &Source)
{char Filename[40];
 cout << "Enter File to Open >";
 cin >> Filename;
 Source.open(Filename,ios::in|ios::nocreate);
 if (Source.fail()) return(-1);
 return(0);
}

// Input a string from a stream, terminating when \n
//	is encountered. The terminator \n is discarded.
void fgetline(ifstream &Incoming,char Str[])
{int i=0;
 char Dummy;
 do {
  Incoming.get(Str[i]);
  i++;
 } while (Str[i-1] != '\n' && !Incoming.eof());
 Str[i-1]='\0';
}