Re: C pointer semantics with dynamically allocated struct

From	David Brown <david.brown@hesbynett.no>
Newsgroups	comp.lang.c
Subject	Re: C pointer semantics with dynamically allocated struct
Date	2015-08-17 16:15 +0200
Organization	A noiseless patient Spider
Message-ID	<mqsq70$25n$1@dont-email.me> (permalink)
References	(17 earlier) <mqsitu$riv$1@speranza.aioe.org> <79d68564-6e2e-447d-a73b-7b19d4e8bc66@googlegroups.com> <mqske6$v37$1@speranza.aioe.org> <mqsm0i$hfs$1@dont-email.me> <mqsmjf$4g3$1@speranza.aioe.org>

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On 17/08/15 15:12, Morten W. Petersen wrote:
> On 17.08.2015 15:03, David Brown wrote:
>> On 17/08/15 14:35, Morten W. Petersen wrote:
> [...]
>>> Well, you can construct a for-like loop using while, can't you?
>>>
>>
>> Yes, but sometimes a "while" loop is simpler and clearer than the
>> corresponding "for" loop, and vice versa.
>>
>> When you are picking features for a language (whether you are designing
>> a language, writing compiler extensions, teaching a language, or merely
>> using it), you want a balance between having enough features to clearly
>> express what you want to say, without having so many features that it is
>> hard to learn everything.
>>
>> Thus C has a "+" operator, even though it is unnecessary - you can use
>> "- -" in most circumstances.  But it does not have an operator for
>> calculating integer powers, even though it might occasionally be useful.
>>
>> And thus C has "while" loops and "for" loops, but not "until" loops or
>> "repeat" loops.
> 
> Yes, and these are choices that were made a long, long time ago, when
> our galaxy was in a very different place than what it is now.

Our galaxy is not /that/ different from when C started out.  Some things
have changed, others have not.  And for imperative programming, it is
common to need a few sorts of loops - loop until something happens, loop
while something is true, and enumerate over a range.

The first two are "while" loops in C - "do {} while (!x)" and "while (x)
{ }", and the third type is expressed most clearly with "for".  This is
common practice on a range of imperative programming languages, with
some degree of variation (some languages have "repeat ... until ()", and
it's arguably a matter of taste whether such loops should have positive
or negative logic on the condition).

The "for" loop is a common construct in imperative languages - again,
with variations.  It is typically used to iterate over a range or over a
structure.

Just because these choices were made a long time ago, does not mean that
they are bad - or that anything better is available to replace them.  If
you were designing a new imperative language from scratch, you might
make slightly different choices - such as "repeat/until" - but the
principle would probably remain the same.  (And you would probably
remove some of the messy possibilities that C's for construction
provides.)  Your aim is to make it convenient for the programmer to
write simple and clear code.

(There are, of course, other ways to structure repetition - recursion,
list comprehension, etc.)

> 
>>> Bartc illustrates what I was thinking as well, that one can take a
>>> minimalistic approach to a language in the message with message ID
>>> <mqsj45$67m$1@dont-email.me>.
>>>
>>> Macros with parameters for example, why not have a compiler that
>>> must support inline?  No more complicated macro implementations for
>>> compiler writers, no more headaches for developers.
>>
>> Compilers that support C99 or above /must/ support the inline directive
>> (though they don't have to actually inline the code).  And so
>> programmers can often use inline functions rather than function-like
>> macros because they are clearer, safer, and lead to more useful warnings
>> and error messages when mistakes are made.  And programmers still have
>> function-like macros for cases where they can't use inline functions.
>>
>> Again, these are two related tools with their pros and cons, that can
>> sometimes be substituted for each other - but the language is better
>> when both are available.
> 
> Your opinion is that the language is better.  Probably because you
> know it well and are accustomed to it.

First, it should be obvious that there are things that can be done with
parametrised macros that cannot be done using inline functions.  (They
could obviously be handled by a different pre-processor than C's
standard pre-processor, and C++'s templates, overloading, constexpr,
etc., can cover a much wider range than plain inline C functions.  But
we are looking at C here.)

Secondly, it should be equally obvious that - as long as you are using
C99 or above, and have a half-decent compiler - "static inline"
functions are often clearer than function-like macros, and are easier to
write in a safe manner (i.e., lower chance of errors, and higher chance
of errors being spotted helpfully by tools).  And they are just as
efficient in object code.

Arguably a "perfect" compiler could handle all the inlining decisions
automatically, and there would be no need for "inline".  But perfect
compilers are hard to come by.

So yes, my opinion is that the language is better for having both inline
functions and macros.

> 
>>> The underlying point here is that the simpler a language is,
>>> the more time can be spent in other areas, such as how well
>>> the compiler optimizes.
>>
>> As someone pointed out, who cares how difficult the task is for the
>> compiler?  It is the /programmer/, the /user/, that is in focus.  And as
>> someone else pointed out, these issues are peanuts to the compiler
>> anyway, and pretty much negligible in the grand picture of compiler
>> development.
>>
>> Making a language /reasonably/ simple is a good goal - making it too
>> simple is not.  It is a balance.  (And that balance varies according to
>> language, and according to the needs and uses of the language.)
> 
> It depends on what one is going for.  There is an operating system
> with a browser and everything that has been written in Assembly.

And how many users does it have?

Of course there is a need for a wide range of different programming
languages - and conversely, one can write a wide range of software in
any particular language one chooses.

But that does not mean that any given language design decision is a good
one for some usage!  There are plenty of esoteric and bizarre
programming languages in existence, with particular emphases such as a
minimal set of features or expressions.  And there are good reasons why
these are for fun or theoretic interest only.

> 
>>>   It will also be less complex so that
>>> all other tasks should receive more focus and attention.  This
>>> way, it would also be easier for developers to take a holistic view
>>> of the language/compiler as well, which might bring new results
>>> that probably wouldn't have been found in a more complex system.
>>
>> So we should all be using something like a Turing machine that is
>> optimised to run /really/ fast?  That is where your argument ends up.
> 
> Well it's not going to be Assembly, which is the fastest one can
> make a program go without using JIT etc.  I think that was obvious
> from what has been said earlier in this thread.
> 

Certainly assembly (on bigger processors, at least) is seldom a simple
language to work with.

Personally, I cannot see any benefit in a low-level language that is
somehow "smaller" than C.  There are (AFAIK) no features in C that add
cost, so generated code would not be smaller and faster by removing
features of C.  On the contrary, there could easily be features /added/
to C to allow better exploitation of hardware.

Of course this does not mean that I think all the design decisions of C
were good.  If I were making a C-like language, I would make some
changes - such as greater restrictions on the underlying hardware and
data representation (as a better fit to the hardware of today), and
omitting features that have a reputation for leading to obscure or
error-prone code (such as the use of assignments as expressions).

But I would keep "for" and "while" loops !

Thread

C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-11 20:48 +0200
  Re: C pointer semantics with dynamically allocated struct Melzzzzz <mel@zzzzz.com> - 2015-08-11 20:59 +0200
  Re: C pointer semantics with dynamically allocated struct Melzzzzz <mel@zzzzz.com> - 2015-08-11 21:03 +0200
    Re: C pointer semantics with dynamically allocated struct James Kuyper <jameskuyper@verizon.net> - 2015-08-11 15:32 -0400
  Re: C pointer semantics with dynamically allocated struct jacobnavia <jacob@jacob.remcomp.fr> - 2015-08-11 21:03 +0200
    Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-11 21:47 +0200
  Re: C pointer semantics with dynamically allocated struct jt@toerring.de (Jens Thoms Toerring) - 2015-08-11 19:14 +0000
    Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-11 21:50 +0200
      Re: C pointer semantics with dynamically allocated struct James Kuyper <jameskuyper@verizon.net> - 2015-08-11 16:12 -0400
        Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-11 22:45 +0200
          Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-12 03:08 +0100
  Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-11 20:24 +0100
    Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-11 21:51 +0200
      Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-11 13:32 -0700
        Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-11 13:36 -0700
          Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-11 22:57 +0200
            Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-11 23:23 +0200
            Re: C pointer semantics with dynamically allocated struct Keith Thompson <kst-u@mib.org> - 2015-08-11 16:47 -0700
              Re: C pointer semantics with dynamically allocated struct glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-11 23:46 +0000
                Re: C pointer semantics with dynamically allocated struct morphex@gmail.com (Morten W. Petersen) - 2015-08-12 02:05 +0200
                Re: C pointer semantics with dynamically allocated struct Keith Thompson <kst-u@mib.org> - 2015-08-11 17:16 -0700
                Re: C pointer semantics with dynamically allocated struct Richard Heathfield <rjh@cpax.org.uk> - 2015-08-12 01:11 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-11 17:35 -0700
                Re: C pointer semantics with dynamically allocated struct Richard Heathfield <rjh@cpax.org.uk> - 2015-08-12 01:51 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-12 03:02 +0200
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-11 19:50 -0700
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-11 20:09 -0700
                Music and programming (was: Re: C pointer semantics with dynamically allocated struct) "Morten W. Petersen" <morphex@gmail.com> - 2015-08-12 11:54 +0200
                Re: Music and programming (was: Re: C pointer semantics with dynamically allocated struct) "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-12 03:35 -0700
                Re: Music and programming "Morten W. Petersen" <morphex@gmail.com> - 2015-08-12 13:00 +0200
                Re: Music and programming Richard Heathfield <rjh@cpax.org.uk> - 2015-08-12 11:46 +0100
                Re: Music and programming "Morten W. Petersen" <morphex@gmail.com> - 2015-08-12 13:06 +0200
                Re: Music and programming Richard Heathfield <rjh@cpax.org.uk> - 2015-08-12 13:08 +0100
                Re: Music and programming raltbos@xs4all.nl (Richard Bos) - 2015-08-12 12:18 +0000
                Re: Music and programming "Morten W. Petersen" <morphex@gmail.com> - 2015-08-12 14:26 +0200
                Re: Music and programming Richard Heathfield <rjh@cpax.org.uk> - 2015-08-12 13:36 +0100
                Re: Music and programming "Morten W. Petersen" <morphex@gmail.com> - 2015-08-12 15:13 +0200
                Re: Music and programming David Brown <david.brown@hesbynett.no> - 2015-08-12 16:10 +0200
                Re: C pointer semantics with dynamically allocated struct crisdunbar@gmail.com - 2015-08-13 15:47 -0700
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-12 04:52 -0700
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-12 05:01 -0700
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-12 05:10 -0700
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-12 09:17 +0200
          Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-12 02:56 +0100
            Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-12 04:07 +0200
              Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-12 03:45 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-12 12:10 +0200
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-12 11:39 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-12 13:41 +0200
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-12 04:59 -0700
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-12 14:16 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-12 06:37 -0700
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-12 15:34 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-12 08:17 -0700
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-12 08:38 -0700
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-12 17:19 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-12 09:52 -0700
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-12 22:40 +0100
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-13 13:31 +0200
                Re: C pointer semantics with dynamically allocated struct Richard Damon <Richard@Damon-Family.org> - 2015-08-14 20:39 -0400
                Re: C pointer semantics with dynamically allocated struct Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-05 13:03 -0700
                Re: C pointer semantics with dynamically allocated struct Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-05 14:16 -0700
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-09-06 11:19 +0200
                Re: C pointer semantics with dynamically allocated struct Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-06 18:15 -0700
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-09-07 09:13 +0200
                Re: C pointer semantics with dynamically allocated struct Richard Damon <Richard@Damon-Family.org> - 2015-08-12 08:07 -0400
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-12 14:08 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-12 10:24 -0700
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-12 20:45 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-13 04:19 +0200
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-13 13:18 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-16 15:43 +0200
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-16 21:32 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 12:00 +0200
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-17 15:50 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 22:28 +0200
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-18 01:34 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-19 08:40 +0200
                Re: C pointer semantics with dynamically allocated struct luser droog <luser.droog@gmail.com> - 2015-08-12 13:35 -0700
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-12 15:01 -0700
                Re: C pointer semantics with dynamically allocated struct Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-05 11:39 -0700
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-09-06 11:24 +0200
                Re: C pointer semantics with dynamically allocated struct Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-06 18:09 -0700
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-12 10:17 -0700
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-12 20:58 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-12 19:59 -0700
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-13 13:47 +0200
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-13 05:35 -0700
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-13 15:59 +0200
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-13 07:57 -0700
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-13 17:46 +0200
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-13 09:15 -0700
                Re: C pointer semantics with dynamically allocated struct Richard Heathfield <rjh@cpax.org.uk> - 2015-08-13 17:21 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-13 09:26 -0700
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-13 19:40 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-13 11:43 -0700
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-13 21:30 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-13 14:56 -0700
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-14 08:51 +0200
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-14 00:03 -0700
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-13 17:22 +0100
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-14 09:09 +0200
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-14 11:19 +0100
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-14 13:07 +0200
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-14 19:19 +0100
                Re: C pointer semantics with dynamically allocated struct James Kuyper <jameskuyper@verizon.net> - 2015-08-14 14:32 -0400
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-16 16:52 +0200
                Re: C pointer semantics with dynamically allocated struct Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-08-16 18:34 +0000
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-17 07:48 +0200
                Re: C pointer semantics with dynamically allocated struct Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-08-18 18:08 +0000
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-19 09:36 +0200
                Re: C pointer semantics with dynamically allocated struct David Thompson <dave.thompson2@verizon.net> - 2015-08-30 03:03 -0400
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-30 16:59 +0200
                Re: C pointer semantics with dynamically allocated struct glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-30 20:12 +0000
                Re: C pointer semantics with dynamically allocated struct Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-05 14:36 -0700
                Re: C pointer semantics with dynamically allocated struct Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-05 12:39 -0700
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-14 07:56 -0700
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-14 17:09 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-14 11:38 -0700
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-14 20:31 +0100
                Re: C pointer semantics with dynamically allocated struct Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-05 15:17 -0700
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-09-06 11:44 +0200
                Re: C pointer semantics with dynamically allocated struct Richard Damon <Richard@Damon-Family.org> - 2015-08-14 20:56 -0400
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-14 18:09 -0700
                Re: C pointer semantics with dynamically allocated struct Richard Damon <Richard@Damon-Family.org> - 2015-08-14 22:26 -0400
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-14 19:44 -0700
                Re: C pointer semantics with dynamically allocated struct glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-15 04:15 +0000
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-16 19:00 +0200
                Re: C pointer semantics with dynamically allocated struct Bartc <bc@freeuk.com> - 2015-08-16 19:00 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-16 20:20 +0200
                Re: C pointer semantics with dynamically allocated struct Keith Thompson <kst-u@mib.org> - 2015-08-16 17:18 -0700
                Re: C pointer semantics with dynamically allocated struct Bartc <bc@freeuk.com> - 2015-08-16 23:03 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 00:52 +0200
                Re: C pointer semantics with dynamically allocated struct Bartc <bc@freeuk.com> - 2015-08-17 00:29 +0100
                A simpler version of C (was: Re: C pointer semantics with dynamically allocated struct) "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 02:36 +0200
                Re: C pointer semantics with dynamically allocated struct glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-17 01:47 +0000
                Re: C pointer semantics with dynamically allocated struct Bartc <bc@freeuk.com> - 2015-08-17 11:27 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 12:40 +0200
                Re: C pointer semantics with dynamically allocated struct Bartc <bc@freeuk.com> - 2015-08-17 12:07 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 13:36 +0200
                Re: C pointer semantics with dynamically allocated struct Bartc <bc@freeuk.com> - 2015-08-17 13:14 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 14:09 +0200
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-17 05:23 -0700
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 14:35 +0200
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-17 05:45 -0700
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 14:58 +0200
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-17 06:23 -0700
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 15:30 +0200
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-17 06:46 -0700
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 15:47 +0200
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-17 06:56 -0700
                Re: C pointer semantics with dynamically allocated struct fir <profesor.fir@gmail.com> - 2015-08-17 08:57 -0700
                Re: C pointer semantics with dynamically allocated struct Richard Heathfield <rjh@cpax.org.uk> - 2015-08-17 15:37 +0100
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-17 15:03 +0200
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 15:12 +0200
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-17 16:15 +0200
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 16:45 +0200
                Re: C pointer semantics with dynamically allocated struct Bartc <bc@freeuk.com> - 2015-08-17 15:58 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 22:11 +0200
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-17 22:24 +0200
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 22:31 +0200
                Re: C pointer semantics with dynamically allocated struct Keith Thompson <kst-u@mib.org> - 2015-08-17 15:04 -0700
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 23:41 +0200
                Re: C pointer semantics with dynamically allocated struct Keith Thompson <kst-u@mib.org> - 2015-08-17 17:58 -0700
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-17 14:53 -0700
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-17 16:58 +0200
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 22:16 +0200
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-18 01:31 +0200
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-19 08:51 +0200
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-19 09:56 +0200
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-20 08:52 +0200
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-20 10:09 +0200
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-20 12:48 +0200
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-20 13:00 +0200
                Re: C pointer semantics with dynamically allocated struct Ike Naar <ike@iceland.freeshell.org> - 2015-08-20 13:53 +0000
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-20 16:36 +0200
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-20 07:39 -0700
                Re: C pointer semantics with dynamically allocated struct Keith Thompson <kst-u@mib.org> - 2015-08-20 09:09 -0700
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-20 09:08 -0700
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-21 10:15 +0200
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-21 02:17 -0700
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-21 14:23 +0100
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-21 15:44 +0200
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-21 14:59 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-21 07:03 -0700
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-23 21:50 +0200
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-21 16:25 +0200
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-21 07:34 -0700
                Re: C pointer semantics with dynamically allocated struct Bartc <bc@freeuk.com> - 2015-08-21 20:44 +0100
                Re: C pointer semantics with dynamically allocated struct raltbos@xs4all.nl (Richard Bos) - 2015-08-22 14:10 +0000
                Re: C pointer semantics with dynamically allocated struct glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-17 20:08 +0000
                Re: C pointer semantics with dynamically allocated struct Keith Thompson <kst-u@mib.org> - 2015-08-17 09:33 -0700
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-17 22:20 +0200
                Re: C pointer semantics with dynamically allocated struct James Kuyper <jameskuyper@verizon.net> - 2015-08-17 17:28 -0400
                Re: C pointer semantics with dynamically allocated struct Keith Thompson <kst-u@mib.org> - 2015-08-17 16:42 -0700
                Re: C pointer semantics with dynamically allocated struct James Kuyper <jameskuyper@verizon.net> - 2015-08-17 19:39 -0400
                Re: C pointer semantics with dynamically allocated struct Keith Thompson <kst-u@mib.org> - 2015-08-17 16:15 -0700
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-18 00:19 +0100
                Re: C pointer semantics with dynamically allocated struct Richard Damon <Richard@Damon-Family.org> - 2015-08-17 08:32 -0400
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-17 18:02 +0100
                Re: C pointer semantics with dynamically allocated struct Rosario19 <Ros@invalid.invalid> - 2015-08-22 08:25 +0200
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-17 14:46 +0200
                Re: C pointer semantics with dynamically allocated struct Keith Thompson <kst-u@mib.org> - 2015-08-17 09:45 -0700
                Re: C pointer semantics with dynamically allocated struct Bartc <bc@freeuk.com> - 2015-08-17 18:55 +0100
                Re: C pointer semantics with dynamically allocated struct Keith Thompson <kst-u@mib.org> - 2015-08-17 12:11 -0700
                Re: C pointer semantics with dynamically allocated struct Bartc <bc@freeuk.com> - 2015-08-17 23:07 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-17 15:13 -0700
                Re: C pointer semantics with dynamically allocated struct glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-17 22:56 +0000
                Re: C pointer semantics with dynamically allocated struct glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-08-17 20:04 +0000
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-13 14:46 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-13 07:33 -0700
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-13 16:39 +0200
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-13 19:20 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-13 11:55 -0700
                Re: C pointer semantics with dynamically allocated struct Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-08-13 21:11 +0100
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-13 15:15 -0700
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-14 09:29 +0200
                Re: C pointer semantics with dynamically allocated struct James Kuyper <jameskuyper@verizon.net> - 2015-08-14 08:01 -0400
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-14 14:46 +0200
                Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-16 19:14 +0200
                Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-17 08:01 +0200
                Re: C pointer semantics with dynamically allocated struct Richard Damon <Richard@Damon-Family.org> - 2015-08-12 23:30 -0400
                Re: C pointer semantics with dynamically allocated struct Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-05 12:45 -0700
                Re: C pointer semantics with dynamically allocated struct Keith Thompson <kst-u@mib.org> - 2015-09-05 16:11 -0700
                Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-05 22:32 -0700
                Re: C pointer semantics with dynamically allocated struct Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-06 13:21 -0700
              Re: C pointer semantics with dynamically allocated struct David Brown <david.brown@hesbynett.no> - 2015-08-12 09:22 +0200
            Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-11 19:43 -0700
        Re: C pointer semantics with dynamically allocated struct "Morten W. Petersen" <morphex@gmail.com> - 2015-08-11 22:52 +0200
          Re: C pointer semantics with dynamically allocated struct "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-08-11 16:01 -0700
  Re: C pointer semantics with dynamically allocated struct Rosario19 <Ros@invalid.invalid> - 2015-08-12 11:13 +0200

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