c++ Calendar

 /**************************************************  **************************
 Description: This program outputs a calendar for the year that the user inputs.
 If no year is given, then it randomly selects one from 1400 and 9999.
 **************************************************  **************************/
 
 
 #include <iostream.h>
 #include <stdlib.h>
 #include <ctype.h>
 #include <time.h>
 int getYear();			   // has the user enter a valid year
 bool isLeap(int year);	   // check for leap years
 void dayName();			  // prints the names for the day of the week
 void monthNameHeader(int year);  // puts head for the month name
 int startDay(int year);		  // decides what week day Jan starts on
 int monthCount(int counter);	 // how many days are in each month
 
 void newMonth(int startDOW);  // what day of the week new month starts on
 
 void printAll(int year);		 //  puts everything together, prints to screen
 
 
 int year = 0;				    // uesr inputed year || rand gen per 0
 int counter = 1;				 // counter for month name & # days in month
 int startDOW,				    // day of the week Jan starts on
     wrap,					    // check for if weekday is Saturday
     daysInMonth;				 // total days in each month
 int weekNumber = 0;			  // flag for first week of the month
 
 int main()
 {
 
 
 
 
 	year = getYear();		// has user enter year number
 	printAll(year);
 
 
 
 
 	  return 0;
 }
 
 
 int getYear()	   //prompts the user to enter a valid year
 {
 	char c;
 	srand(time(NULL));
 	cout << "Enter the year, or 0 for and random year: ";
 	do {			  // gets whole number value
 		 cin.get(c);
 		 if(isdigit(c))
 		 {
 		  year=year*10;
 		  year +=(int)(c-'0');
 		 }
 	} while(c!='\n');
 	if (year == 0)			// if no response or 0 are enter, random a year
 	{
 	   year = rand() % 8600 + 1400;
 	   cout << "\nThe random year " << year << " will be evaluated\n\n";
 	}
  return year;
 }
 
 
 bool isLeap(int year) // checking for possible leap year
 {
 	 if (year % 400 == 0)
 	 return true;
 	 if (year % 100 == 0)
 	 return false;
 	 if (year % 4 == 0)
 	 return true;
 	 return false;  // else return false
 }
 
 void dayName()
 {
 	cout << "  S  M  T  W  T  F  S" << endl;
 	cout << "---------------------" << endl;
 }
 
 void monthNameHeader(int year)
 {
 
 		switch (counter)
 		{
 			case 1:
 			cout << "	January " << year << endl;
 			break;
 
 			case 2:
 			cout << "	February " << year << endl;
 			break;
 
 			case 3:
 			cout << "	March" << year << endl;
 			break;
 
 			case 4:
 			cout << "	April " << year << endl;
 			break;
 
 			case 5:
 			cout << "	 May " << year << endl;
 			break;
 
 			case 6:
 			cout << "	 June " << year << endl;
 			break;
 
 			case 7:
 			cout << "	 July " << year << endl;
 			break;
 
 			case 8:
 			cout << "	August " << year << endl;
 			break;
 
 			case 9:
 			cout << "	September " << year << endl;
 			break;
 
 			case 10:
 			cout << "	October " << year << endl;
 			break;
 
 			case 11:
 			cout << "	November " << year << endl;
 			break;
 
 			case 12:
 			cout << "	December " << year << endl;
 			break;
 		}
 }
 
 int monthCount(int counter)	  // how many days are in the month
 {
  switch (counter)
 		{
 			case 1:
 			daysInMonth = 31; // current month days
 			break;
 
 			case 2:					   // checks for possible leap year
 			if(isLeap(year))
 				daysInMonth = 29;
 			if(!isLeap(year))
 				daysInMonth = 28;
 			break;
 
 			case 3:
 			daysInMonth = 31;
 			break;
 
 			case 4:
 			daysInMonth = 30;
 			break;
 
 			case 5:
 			daysInMonth = 31;
 			break;
 
 			case 6:
 			daysInMonth = 30;
 			break;
 
 			case 7:
 			daysInMonth = 31;
 			break;
 
 			case 8:
 			daysInMonth = 31;
 			break;
 
 			case 9:
 			daysInMonth = 30;
 			break;
 
 			case 10:
 			daysInMonth = 31;
 			break;
 
 			case 11:
 			daysInMonth = 30;
 			break;
 
 			case 12:
 			daysInMonth = 31;
 			break;
 		}
 }
 
 
 int startDay(int year)
 {
 
 	startDOW = (year + (year - 1 ) /4 - (year - 1) / 100 + (year - 1) /400) %7;
 	return startDOW;			   // formula for what DoWeek year starts on
 }
 
 
 void printAll(int year)
 {
 
 	 for (counter = 1; counter <= 12; counter++)
 	 {
 
 		  monthNameHeader(year);			   // prints month day
 		  dayName();						   // prints the name of days
 		  if (counter==1)
 			  wrap = startDay(year) ;	// what day Jan starts on
 		  else
 			  startDOW = wrap;			   // what day other months start on
 
 		  cout << " ";
 
 		  for (int loopCount = 0; loopCount < startDOW; loopCount++)
 		  {
 				  cout << "   ";	   // how many space to indent new month
 		  }
 
 
 		  monthCount(counter);			 // how many days in month
 
 		  for (int dayCounter=1;dayCounter<=daysInMonth; dayCounter++)
 		  {
 
 				 if (wrap == 7)	   //if Saturday, carriage return
 				 {
 					 cout << "\n ";
 					 wrap = 0;		   //resets day of week counter
 					 weekNumber++;	   //no longer first week of month
 				 }
 				 if (dayCounter<10)	  //adds space for single digit days
 					 cout << " ";
 				 cout << dayCounter << " ";   //prints the day #
 				 wrap++;
 		  }
 
   //	cout << "\nthis month starts on day number " << startDOW;  *testing*
   //	cout << "\ndays in this month are " << daysInMonth;	    *testing*
 	  cout << "\n\n";
 	  system("PAUSE");
 	  cout << endl;
 	  }  // end BIG for loop
 
 
 }