program  Project2;

 {$APPTYPE CONSOLE} 

 uses 
  SysUtils, Dialogs;

 begin 
   { TODO -oUser -cConsole Main : Insert code here } 

   case  MessageDlg('выйти?',mtConfirmation, [mbYes, mrNo, mrCancel],  0 )  of 
    mrOk:;  // выйти 
    mrNo, mrCancel:;  // остаться 
   end ;
 end .

void main( void )
{
	while( 1 )
	{
		foo();  //main function

		// reads user input
		printf("\n end? >");

		char buffer[ 81 ];
		int i, ch;

		for( i =  0 ; (i <  80 ) &&  ((ch = getchar()) != EOF) && (ch != '\n'); i++ )
			buffer[i] = (char)ch;
			
		buffer[i] = '\0';
			
		// checks if continue/repeat or end..
		if ( strcmp(buffer, .....) ==  0  )
			return;	
			
	}

}