A C++ Menu

#include <iostream>
using namespace std;

void do_again(),direction(int ans);
void option_1(),option_2(),option_3(),option_4(),option_5(),option_6();

int main()
{
     do_again();//call do_again function, say goodbye to main until everything else is done running

     return 0;
}//end function

void do_again()
{
     int ans;//declare ans variable, this will be used OVER AND OVER
     do
     {
          cout < < "What would you like to do?n";
          cout << "1: Option 1n";
          cout << "2: Option 2n";
          cout << "3: Option 3n";
          cout << "4: Option 4n";
          cout << "5: Option 5n";
          cout << "6: Option 6 - Exitn";//print us some options
               cin  >> ans;
               cin.ignore(80,'n'); //take in an answer
          direction(ans);//send that answer to direction!
     }while(ans!=6);//keep on keepin on till they pick exit!
}//end function

void direction(int ans)
{
     switch (ans)//roll thru options
     {
          case 1:  //if they picked the number 1, its gonna go to this function,
                         //thats pretty much how the whole thing works
               option_1();
               break;
          case 2:
               option_2();
               break;
          case 3:
               option_3();
               break;
          case 4:
               option_4();
               break;
          case 5:
               option_5();
               break;
          case 6:
               option_6();
               break;
          default://THEY DIDNT READ THE MENU, WHO WOULD HAVE THOUGHT?!?!
               cout < < "Please read and follow all directionsn";//if directions aren't followed
               break;
     }
}//end function

//functions, FILL WITH VALUABLE PROGRAMMING SKILLS

void option_1()
{
}//end function

void option_2()
{
}//end function

void option_3()
{
}//end function

void option_4()
{
}//end function