2-3 line code help needed :)

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.IO;

class wk13asgn

{

// Instance variables for opening and reading the file

static string file_name;

static BinaryReader in_stream;

static FileStream fs;

// Instance variable used to find the end of file

static bool end_of_file = false;

// Instance variables used by getbit()

static byte current_bit_position = 0;

static byte current_byte;

static void get_file_name()

/*********************/

/*** GET FILE NAME ***/

/*********************/

{

Console.Write("Enter File Name: ");

file_name = Console.ReadLine();

}

static void open_input_file()

/*****************/

/*** OPEN FILE ***/

/*****************/

{

try

{

fs = new FileStream(file_name, FileMode.Open, FileAccess.Read);

in_stream = new BinaryReader(fs);

}

catch (Exception)

{

Console.WriteLine("Can't open {0}", file_name);

Environment.Exit(0);

}

}

static bool no_more_bytes(BinaryReader rb)

/**********************/

/*** NO MORE BYTES? ***/

/**********************/

{

return (rb.PeekChar() == -1);

}

static byte read_a_byte(BinaryReader rb)

/********************************************************************************/

/*** Function to read a single byte from the input stream and set end_of_file ***/

/********************************************************************************/

{

byte abyte;

if (!no_more_bytes(rb))

abyte = rb.ReadByte();

else

{

abyte = 0;

end_of_file = true;

}

return abyte;

}

static byte getbit()

/**********************************************************/

/*** Function to get a single BIT from the input stream ***/

/**********************************************************/

{

byte mask;

//here we use fill in this function so it returns

//either a zero or a one for each bit in the file.

}

static void process()

/********************/

/*** PROCESS FILE ***/

/********************/

{

byte bit;

int counter = 0;

while (!end_of_file)

{

bit = getbit();

if (!end_of_file)

{

Console.Write("{0}", bit);

counter++;

//We only separate bytes to make the output easier to read.

//Your program should treat each bit individually.

if ((counter % 8) == 0) Console.Write(" ");

}

}

Console.WriteLine();

}

static void Main(string[] args)

{

if (args.Length == 0)

get_file_name();

else

file_name = args[0];

open_input_file();

process();

in_stream.Close();

fs.Close();

}

}

Have a nice day & Ty for help