1>------ Build started: Project: Assign5, Configuration: Debug Win32 ------
1>Linking...
1>Assign5 code.obj : error LNK2019: unresolved external symbol "void __cdecl process_student(class std::basic_ofstream<char,struct std::char_traits<char> > &,class std::basic_ifstream<char,struct std::char_traits<char> > &)" (?process_student@@YAXAAV?$basic_ofstream@DU?$char_traits@D@std@@@std@@AAV?$basic_ifstream@DU?$char_traits@D@std@@@2@@Z) referenced in function _main
1>Assign5 code.obj : error LNK2019: unresolved external symbol "void __cdecl outfile_header(class std::basic_ofstream<char,struct std::char_traits<char> > &)" (?outfile_header@@YAXAAV?$basic_ofstream@DU?$char_traits@D@std@@@std@@@Z) referenced in function _main
1>Assign5 code.obj : error LNK2019: unresolved external symbol "void __cdecl out_file(class std::basic_ofstream<char,struct std::char_traits<char> > &)" (?out_file@@YAXAAV?$basic_ofstream@DU?$char_traits@D@std@@@std@@@Z) referenced in function _main
1>Assign5 code.obj : error LNK2019: unresolved external symbol "void __cdecl print_file(void)" (?print_file@@YAXXZ) referenced in function "void __cdecl process_student(class std::basic_ifstream<char,struct std::char_traits<char> > &,class std::basic_ofstream<char,struct std::char_traits<char> > &,int &,char &,float &,float &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)" (?process_student@@YAXAAV?$basic_ifstream@DU?$char_traits@D@std@@@std@@AAV?$basic_ofstream@DU?$char_traits@D@std@@@2@AAHAADAAM4AAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@5@Z)
1>C:\Documents and Settings\My Documents\Visual Studio 2008\Projects\Assign5\Debug\Assign5.exe : fatal error LNK1120: 4 unresolved externals

#include <iomanip>
#include <string>
#include <fstream>
#include <iostream>

using namespace std; 

void open_file(ifstream & fin);
void out_file (ofstream & fout);
void outfile_header(ofstream & fout);
void print_header();
char grade_it (float &average);
float find_average(ifstream & fin);
void process_student (ofstream & fout, ifstream &fin);
void print_file ();

void main ()
{
	ifstream fin;
	ofstream fout;

	print_header();
	open_file(fin);

	if (fin)
	{
		out_file(fout);
		outfile_header(fout);
		process_student(fout, fin);



		outfile_header(fout);

		fin.close();
		fout.close();

	}

}


void open_file(ifstream & fin)
{
	string input_file;
	cout << "Please enter input file name: ";
	getline (cin, input_file) ;
	fin.open(input_file.c_str());
	if(fin.fail())
	{
		cout <<endl <<"Bad File Name" <<endl;
		//wonder if this will work**************************
	}
	
}//opens the input file and checks it

void out_file(ofstream &, string &output_file)
{
	cout << "Please enter output file name: ";
	getline (cin, output_file); 
}//prompts for a name and creates an output file

void outfile_header(ofstream &fout, string &output_file)
{
		fout.open (output_file.c_str());
		fout << left << fixed;
		fout << setw (25) << "Name";
		fout << setw (15) << "Average";
		fout << setw (6)  << "Grade";
		fout << endl;
		
		fout << right << setfill ('-');

		fout << setw (25) << "              ";
		fout << setw (15) << "       ";
		fout << setw (6)  << "-";
		fout << endl;

		fout << left << setfill (' ');
}//creates the header of the output file

void print_header(void)
{
	cout << "This program will process test scores to provide individuals with \na letter grade report according to the following scale: ";
	cout << "\n\n\t\t 90  < average <=\t100\tA";
	cout << "\n\t\t 80  < average <=\t90\tB";
	cout << "\n\t\t67.7 < average <=\t80\tC";
	cout << "\n\t\t 55  < average <=\t67.5\tD";
	cout << "\n\t\t  0  < average <=\t55\tF";
}

char grade_it(float &average)
{
	char grade;

	if (average > 90 && average <= 100)
		grade = 'A';
	else if (average > 80 && average <= 90)
		grade = 'B';
	else if (average > 67.5 && average <= 80)
		grade = 'C';
	else if (average > 55 && average <= 67.5)
		grade = 'D';
	else 
		grade = 'F';

	return (grade);
}//Grades the test average

float find_average(ifstream & fin)
{
	string firstname;
	float counter = 0,	sum = 0, score, average;

	cout << "======================================================================";
	cout << "\n\nTest scores for " << firstname << "are: ";

	do
		{
			fin >> score;

			if (score >= 0)
			{
				sum+=score;
				counter++;
				cout << score << " ";
			}//close if

		}//close do
	while (score >= 0);

	average = sum/counter;
	return (average);

}

void process_student(ifstream & fin, ofstream & fout, int &check, char &grade, float &average, float &counter, string &firstname, string &lastname)
{
	check = 0;

	fin >> firstname;
	while (!fin.eof())
	{

		check++;
		fin >> lastname;

		average = find_average(fin);
		grade = grade_it(average);
		if (check = 0)
			cout << "***Empty File***";
		else
		{
			if (counter = 0)
			{
				cout << "\n\nGrade report for " << firstname << ' ' << lastname << ':';
				cout << " There is no score entered for " << firstname << ' ' << lastname;
				cout << ", average and grade is not calculated.";
			}
			else
			{
				cout << "\n\nGrade report for " << firstname << ' ' << lastname << ':';
				cout << "The average of " << counter << " tests is " << setprecision (1) << average;
				cout << setprecision (0) << " and the letter grade is " << grade << ".";
			}
		

			print_file();
		

		}//closes while
	}
	
}

void print_file (ofstream &fout, int &check, float &counter, float &average, char &grade, string &firstname, string &lastname)
{

	if (check=0)
		fout << "***Empty File***";
	else 
	{
		fout << left << fixed;
		fout << endl << setw (25) << lastname << ", " << firstname;
		
		if (counter = 0)
			fout << "No Scores";
		else
			fout << setprecision (1) << setw (15) << average << setprecision (0) << setw (6) << grade;

	}
}