
//  pass pointer to variable or function, global

ax[10], gg

inc(x)
//  return *x + 1
  x[0] = x[0] + 1

sq(x)
  return x * x

main()
  gg = 11
  print(&gg)
  print(&ax)
  b = sq(2)
  print(b)
  print(&sq)
  print(gg)
  inc(&gg)
  print(gg)



