// test_parameters.cpp

void funct1(int i_input,                        // local copy of value
            int * i_ptr,                        // local copy of pointer
            const int * i_const_ptr,            // can't change object
            int * const i_ptr_const,            // can't change local pointer
            const int * const i_ptr_const_const,// just no changes
            int & ref,                          // pass by reference 
            const int & const_ref)              // just no changes
{
  
  i_input = 12;               // local copy set to 12
  *i_ptr = 13;                // changes value in main
  // *i_const_ptr = 14;       // can not change
  *i_ptr_const = 15;          // changes value in main
  // *i_ptr_const_const = 16; // can not change
  ref = 17;
  // const_ref = 18;          // can not change
}

#include <iostream>
using namespace std;

int main()
{
  int i2 = 2;
  int i3 = 3;
  int i4 = 4;
  int i5 = 5;
  int i6 = 6;
  int i7 = 7;
  int i8 = 8;
  
  const int ic6 = 6;

  cout << "test_parameters running" << endl;
  
  funct1(i2, &i3, &i4, &i5, &i6, i7, i8);
  cout << "i2=" << i2 << endl;
  cout << "i3=" << i3 << endl;
  cout << "i4=" << i4 << endl;
  cout << "i5=" << i5 << endl;
  cout << "i6=" << i6 << endl;
  cout << "i7=" << i7 << endl;
  cout << "i8=" << i8 << endl;

  cout << "test_parameters finished" << endl;  
  return 0;
}

// Output from execution is:
// test_parameters running
// i2=2
// i3=13
// i4=4
// i5=15
// i6=6
// i7=17
// i8=8
// test_parameters finished