#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[])
 {
    void f1(struct myStruct);   // pass struct by VALUE
    void f2(struct myStruct &); // pass struct by REFERENCE

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

    cout << "initially:   x = " << x.i << "    " << x.f << endl << endl;

    f1(x);

    cout << "after f1(x): x = " << x.i << "    " << x.f << endl << endl;

    f2(x);

    cout << "after f2(x): x = " << x.i << "    " << x.f << endl << endl;
 }


 /* ----------------------------------------------
    How to pass structure by VALUE
    ---------------------------------------------- */
 void f1(struct myStruct h)
 {
    h.i = h.i + 1000;
    h.f = h.f + 1000;
 }

 /* ----------------------------------------------
    How to pass structure by REFERENCE
    ---------------------------------------------- */
 void f2(struct myStruct & h)
 {
    h.i = h.i + 1000;
    h.f = h.f + 1000;
 }