#include <iostream>
#include <stdio.h>
using namespace std;
void function1()
{
	cout<<"this is function1"<<endl;


}
void function2(int var1,float var2,char var3)
{
	cout<<"this is function2"<<endl;

}
int function3()
{

	cout<<"this is function3"<<endl;
		return 100;

}
float function4()
{

	cout<<"this is function4"<<endl;return 100.5;
}
float function5(float var4)
{

	cout<<"this is function5"<<endl;
	return 100.5;
}

struct dis
{
	int f;
	int inc;

};





void function6(dis d)
{

	cout<<"this is function6"<<endl<<d.f<<endl<<d.inc<<endl;
	
}
int main()
{
	int var;float var2;


	dis d1={22,22};

	function1();
	function2(25,25.0,'b');
	var=function3();
	cout<<"this value is returned by function3 "<<var<<endl;
	var2=function4();
		cout<<"this value is returned by function4 "<<var2<<endl;
	var2=function5(100.5);
		cout<<"this value is returned by function5"<<var2<<endl;


		function6(d1);
	return 0;
}