#include <iostream.h>


 struct myStruct     	// How to define a "struct" type
 {			// This is NOT a variable definition
    int i;		// It serves to tell C++ what "myStruct" looks like
    float f;
 };

 struct myStruct x;		// How to define struct variables

 int main(int argc, char *argv[])
 {
    struct myStruct A[3];	// How to define arrays of struct variables
    struct myStruct y 		// How to define initialized struct variables
                   = {1, 2.1};
    extern struct myStruct x;   // How to DECLARE struct variables;

    void Print1(struct myStruct);   // How to pass struct by VALUE
    void Print2(struct myStruct &); // How to pass struct by REFERENCE



    Print1(y);

    x.i = 1234;			// How to use a struct variable
    x.f = 3.14;

    Print1(x);
    Print1(x);


    A[1].i = 333;		// How to use an array of struct variable
    A[1].f = 2.17;

    Print1(A[1]);

    Print2(x);
    Print2(x);

 }


 /* ----------------------------------------------
    How to pass structure by VALUE
    ---------------------------------------------- */
 void Print1(struct myStruct h)
 {
    cout << "Structure values = (" << h.i << ", " << h.f << ")\n";

    h.i = h.i + 1000;
    h.f = h.f + 1000;
 }

 /* ----------------------------------------------
    How to pass structure by REFERENCE
    ---------------------------------------------- */
 void Print2(struct myStruct & h)
 {
    cout << "Structure values = (" << h.i << ", " << h.f << ")\n";

    h.i = h.i + 1000;
    h.f = h.f + 1000;
 }