'FB 1.05.0 Win64

' FreeBASIC does not have a NULL keyword but it's possible to create one using a macro

#Define NULL CPtr(Any Ptr, 0) '' Any Ptr is implicitly convertible to pointers of other types

Type Dog
  name As String
  age As Integer
End Type

Dim d As Dog Ptr = New Dog
d->Name = "Rover"
d->Age = 5
Print d->Name, d->Age
Delete d
d = NULL '' guard against 'd' being used accidentally in future

' in practice many FB developers would simply have written: d = 0 above
Sleep