// *****************************************************************
// Author:	Zhixiang Chen
// Class:	CSCI 1380.01, Summer I, 2008
// Lab 21:	function overloading and static local variables
// Date:	June 15, 2008
// Comment: The code here is meant to be revised.
// *****************************************************************

#include <iostream>
#include <cstring>

using namespace std; 

#ifndef		LAB_23_HEAD_H		
#define		LAB_23_HEAD_H

//This function has a static local variable 
void cat( )
{
	//static local variable declaration and initialization
	static int x=10; 

	//print x
	cout<<" I am inside cat and  x is " <<x <<endl; 

	//change x
	x += 5; 
	
	return;			//no value is returned here
}

//This function has no static local variable 
void dog( )
{
	//local variable declaration and initialization
	int x=10; 

	//print x
	cout<<" I am inside dog and  x is " <<x <<endl; 

	//change x
	x += 5; 
	
	return;			//no value is returned here
}

//function overloading
//this definition is for dealing with integers values
int swapAndLarger(int & x, int & y)
{
	int tmp; 

	//swap first
	tmp=x; 
	x=y;
	y=tmp; 
	
	//return the larger
	return x >= y ? x : y; 
}

//this definition is for dealing with integers values
char swapAndLarger(char & x, char & y)
{
	char tmp; 

	//swap first
	tmp=x; 
	x=y;
	y=tmp; 
	
	//return the larger
	return x >= y ? x : y; 
}

//this definition is for dealing with integers values
char* swapAndLarger(char  x[ ], char   y[ ])
{
	char  tmp[50]; 

	//swap first
	strcpy(tmp, x); 
	strcpy(x, y);
	strcpy(y, tmp); 
	
	//return the larger
	return (strcmp(x, y) >= 0) ? x : y; 
}

//this definition is for dealing with integers values
//This is for you: Define this function

string swapAndLarger(string & x, string & y)
{
	//Your code is here
	return "test"; 
}

#endif