Hey guys have this program t it seems to have two errors and I couldn\'t fix the

Question

Hey guys have this program t it seems to have two errors and I couldn't fix them. I need Your help please!

Here's the program,

//Header file dateType.h

int tmain(int argc, char** argv);
#include "stdafx.h"

#ifndef H_dateType
#define H_dateType

//Header file section

#include <iostream>
#include <string>
#include <ctime>
using namespace std;

//Declare class name

class dateType
{
//Declare variables
   public:
   void setDate ( const int, const int, const int ) ;
   void setMonth( const int month );
   void setDay( const int day );
   void setYear ( const int year ) ;
   void getDate( int& month, int& day, int& year );
   int getDay() const;
   int getMonth() const;
   int getYear()const;
   int getDayslnMonth () const;
   int getDaysPassed () const;
   int getDaysRemaining () const;
   void addDays ();
   bool isLeapYear() const;
   void printDate ()const;
   dateType (int month = 1, int day = 1, int year = 1900);

   private:
   int dMonth;
   int dDay;
   int dYear;

}; // End class definition dateType
#endif

//Start function setDate
void dateType::setDate( const int month, const int day,
const int year )
{
   setYear ( year ) ;
   setMonth( month );
   setDay( day );
}// End function setDate

//Start function setMonth
void dateType::setMonth( const int month )
{
//Check for validity of the month and assign
   if ( month >=1 && month <=12 )
       dMonth = month;
   else
       dMonth = 1;
}//End function setMonth

//Start. function setDay
void dateType::setDay( const int day )
{
   int days[ 12 ] = { 31, 28, 31, 30, 31, 30, 31, 31,

                       30, 31, 30, 31 };
   //Check if it is leap year or not
   if ( isLeapYear() )
       days[ 1 ]++;
   // Check for validity of the day and assign
   if ( day >= 1 && day <= days[ dMonth - 1 ] )
       dDay = day;
   else
       dDay = 1;
}//End function setbay

//Start function setYear
void dateType::setYear( const int year )
{

   //Get the current date
   char dateStr[ 9 ];
   _strdate_s( dateStr);

   //Extract year from the date
   int thisYear = 2000 + (dateStr[ 6 ] - 48 ) * 10
   + dateStr[ 7 ] - 48;

   //Check for validity of the year and assign
   if ( ( year >= 1900 ) && ( year <= thisYear ) )
       dYear=year;
   else
       dYear = 1900;
} // End function setYear

//Start function getDate
void dateType::getDate( int & month, int & day, int & year )
{
   month = dMonth;
   day = dDay;
   year = dYear;
} //End function getDate

//Start function getDay
int dateType:: getDay () const
{
return dDay;
} //End function getDay

//Start function getMonth
int dateType::getMonth()const
{
return dMonth;
} //End function getMonth

//Start function getYear
int dateType:: getYear () const
{
return dYear;
} //End function getYear

//Start function getDayslnflonth
int dateType:: getDayslnMonth()const
{
   int days[ 12 ] = { 31, 28, 31, 30, 31, 30,
                       31, 31, 30, 31, 30, 31 };
   if ( isLeapYear() )
       days[ 1 ]++;
   return days[ dMonth - 1 ];
} //End function getDayslnNonth

//Start function getDaysPassed
int dateType::getDaysPassed () const
{
   int days[ 12 ] ={ 31, 28, 31, 30, 31, 30,
                       31, 31, 30, 31, 30, 31 };
   if ( isLeapYear() )
       days[ 1 ]++;
   int m = dMonth-1;
   int daysPassed = 0;
   while ( m> 0 )
   {
       daysPassed += days[ m - 1 ];
       m--;
   } //End while
   daysPassed += dDay;
   return daysPassed;
} //End function getDaysPassed

//Start function getDaysRemaining
int dateType:: getDaysRemaining () const
{
   int daysRemaining = 365;
   if ( isLeapYear() )
       daysRemaining++;

   daysRemaining -= getDaysPassed ();

   return daysRemaining;
} //End function getDaysRemained

//Start function addDays
void dateType:: addDays ()
{
   int d;
   //Prompt and read the input from the user
   cout << " Enter number of days to be added : ";
   cin >> d;

   while ( d > 0 )
   {
   //Add the days in case days are less

       if ( d <= ( getDayslnMonth() - dDay ) )
       {
           dDay += d;
           break;
       }//End if

       // add the days read from user to the date by subtracting days and advancing to next month
       d -= getDayslnMonth() - dDay;
       dDay = 0;

       //Advance to next mont
       dMonth++;

       // check for advancement of an year
       if ( dMonth > 12 )
       {
           dMonth = 1;
           dYear++;
       } //End if
   } //End while
} //End function addDays

//Start function printDate
void dateType::printDate()const
{
   cout <<" "<<dMonth << "-" << dDay << "-" <<dYear;
} //End function printDate

//Start constructor dateType
dateType::dateType( int month, int day, int year )
{
   setDate ( month, day, year );
} //End constructor dateType

bool dateType::isLeapYear() const
{
//check for the leap year and print the result
   if ( dYear % 400 == 0 ||
       ( dYear % 100 !=0 && dYear % 4 == 0 ) )
       return true;
   else
       return false;
   system("pause");
   return 0;
} // end function isLeapYear

and Here Are the errors:

1) Error   1   error LNK2019: unresolved external symbol _main referenced in function ___tmainCRTStartup   

-- My subsystem is console not windows but i keep getting this messege.

2) Error   2   error LNK1120: 1 unresolved externals.

-- I'm not sure how to solve this issue.

I really appreciate your Help!!

Explanation / Answer

Corrected and well-indented code : http://ideone.com/ddGsDJ Please ask if you have any more doubts. Do rate soon. Thanks :)

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