//Kyu Bae
//program 10B-a
//3-20-00
//Purpose:
//This program provides the opportunity to:
//1) Use pointers for the first time.
//2) Reinforce  objectives of previous lab projects.

#include <iostream.h>
#include <iomanip.h>

void SwapFunc(char *cValue1, char *cValue2);
void SwapFunc(int *iValue1, int *iValue2);

//input:none
//get two characters and integers and swap them.
//output: return swaped integers and characters.

int main (void)
{

	char cFirst, cSecond;
	int iNum1, iNum2;
	cout<<"This program will swap two character vaiables."<<endl;
	cout<<"This program will show you before and after the swap."<<endl;

	cout<<"Enter first character here:"<< endl;
	cin.get(cFirst);
	
	cin.ignore();

	cout<<"Enter second character here:"<<endl;
	cin.get(cSecond);
	
	cout <<"You entered "<<cFirst <<"  then  "<< cSecond << endl;
	SwapFunc( &cFirst,  &cSecond);
	cout <<"This is after the swap."<<endl;
	cout <<"Now "<< cFirst <<"  then  " << cSecond<<endl;

	cout <<"Enter two integers and i do the same." << endl;
	cin >>iNum1 >>iNum2;
	cout <<"You entered "<< iNum1 <<" then " << iNum2 <<endl;
	SwapFunc( &iNum1, &iNum2);
	cout<<"This is after the swap."<<endl;
	cout<<"Now  "<< iNum1 <<" then " << iNum2 <<endl;
return 0;
}

//input: two characters 
//swap them
//output: returns nothing.

void SwapFunc(char *cValue1, char *cValue2)
{
	char cValue3;
	cValue3=*cValue1;
	*cValue1=*cValue2;
	*cValue2=cValue3;
}
//input: two integers
//swaped integers
//output:  returns nothing.

void SwapFunc(int *iValue1, int *iValue2)
{
	int iValue3;
	iValue3=*iValue1;
	*iValue1=*iValue2;
	*iValue2=iValue3;
	
}