//**************************************************************************
// header file for a library of auxiliary input output functions -- myio.h
//**************************************************************************

#ifndef MYIO_H
#define MYIO_H

#include <fstream>
using namespace std;


void clrStream();               // Remove all data from the cin stream up to
                                // and including the next new line character.

char getResponse(char defalt);  // Get a character from the cin stream. If the 
                                // character is a new line, return the
                                // defalt otherwise return the character
                                // entered. The cin stream is cleared

void getValid(int& i);          // Obtain a valid integer from cin stream.
                                // The cin stream marker is left at the first
                                // character after the integer obtained.

void getValid(double& d);       // Obtain a valid real number from cin stream.
                                // The cin stream marker is left at the first
                                // character after the number obtained.

void openIn(ifstream& iStr, string& filename);  // Attach a file to a stream.
                                // If unable to attach the given file, it
                                // will continue asking for a file until
                                // a valid file is found and attached to iStr.
                                // filename will contain the name of the
                                // file attached. The cin stream is cleared.

void openOut(ofstream& oStr, string& filename);  // Attach a file to a stream.
                                // If unable to attach the given file, it
                                // will continue asking for a file until
                                // a valid file is found and attached to oStr.
                                // filename will contain the name of the
                                // file attached. The cin stream is cleared.
#endif