The following ctypes structure example is decidedly un-C-like:

Python 2.4 (#60, Nov 30 2004, 11:49:19) [MSC v.1310 32 bit (Intel)] 
on win32
Type "help", "copyright", "credits" or "license" for more 
information.
> >> from ctypes import Structure, c_int, sizeof, __version__
> >> __version__
'1.0.1'
> >> class S(Structure):
...     pass
...
> >> S._fields_ = [('i', c_int), ('s', S)]
> >> sizeof(S)
4
> >> o=S(7)
> >> o.s.i=12
> >> o.s.s.i=20
> >> o.i
7
> >> o.s.i
12
> >> o.s.s.i
20
> >> sizeof(o)
4


This is certainly a novel way to create a singly-linked list. But I 
wonder if I want to know what it is doing to memory behind the 
scenes.

Lenard Lindstrom
<len-l@[...].net> 



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