**Error**:Invalid procedure return type

typedef struct {
  short x_pos;
  short y_pos;
} JoystickPos;

JoystickPos getPosition(TJoystick j, bool isFirstJoystick, JoystickSide side) {
  getJoystickSettings(j);
  JoystickPos p;
  switch (side) {
  case LEFT_SIDE:
    p.x_pos = (isFirstJoystick ? j.joy1_x1 : j.joy2_x1);
    p.y_pos = (isFirstJoystick ? j.joy1_y1 : j.joy2_y1);
    break;
  case RIGHT_SIDE:
    p.x_pos = (isFirstJoystick ? j.joy1_x2 : j.joy2_x2);
    p.y_pos = (isFirstJoystick ? j.joy1_y2 : j.joy2_y2);
    break;
  }
  return p;
}

**Info***:'struct' variable 'j' automatically converted to call by reference

// The & operator allows you to pass the argument by reference
// that means you are operating on the actual variable and not a copy
// of it.  Any changes you make, are reflected in the variable you
// passed to it.
void somefunc(int &foo)
{
  // increment foo
  foo=foo+1;
}

task main ()
{
  int baz = 0;
  nxtDisplayTextLine(1, "before: %d", baz);
  somefunc(baz);
  nxtDisplayTextLine(2, "after: %d", baz);
  while(true);
}