//--------------------------------------------------------------------
//
//  Example showing how to pass                          ioparam.cpp
//  an I/O stream to a function
//
//--------------------------------------------------------------------

#include <iostream.h>  // For cin and cout
#include <fstream.h>   // For file input/output

//--------------------------------------------------------------------
//
// Function prototypes showing I/O stream function parameters.

void getWord ( istream &inStream, char *word );
void outputWord ( ostream &outStream, char *word );

//--------------------------------------------------------------------

void main()
{
    const int maxWordLength = 21;  // Max # chars. in word
    char word[maxWordLength];      // Word

    ifstream inFile("word.dat");   // Input file
    ofstream outFile("word.out");  // Output file
    
    // Read word from cin and output it to cout.
    cout << "Enter word: ";
    getWord(cin,word);
    outputWord(cout,word);

    // Read word from inFile and output it to outFile.
    getWord(inFile,word);
    outputWord(outFile,word);

    // Close the files
    inFile.close();
    outFile.close();
}

//--------------------------------------------------------------------

void getWord ( istream &inStream, char* word )

// Reads a word from inStream.

{
    inStream >> word;
}

//--------------------------------------------------------------------

void outputWord ( ostream &outStream, char* word )

// Outputs a word to outStream.

{
    outStream << word << endl;
}