#include <iostream>
#include <cstdlib>
using namespace std;

struct month {        //The blueprint for a structure containing 2 fields.
	string name;
	int length;   //how many days
};

void f(month *p);     //function declaration

int main()
{

	month j {"January", 31};
	f(&j);         //Pass the address of the structure to the function.
	return EXIT_SUCCESS;
}

void f(month *p)      //function definition
{
	//Remember, p->name means the same thing as (*p).name

	cout << "The function received a structure containing "
		<< "the string " << p->name
		<< " and the number " << p->length << ".\n";
}