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From: David Brown <david.brown@hesbynett.no>
Newsgroups: comp.lang.c
Subject: Re: Recursion, Yo
Date: Fri, 12 Apr 2024 09:30:18 +0200
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On 12/04/2024 07:32, Janis Papanagnou wrote:
> On 12.04.2024 04:31, Lawrence D'Oliveiro wrote:
>> On Thu, 11 Apr 2024 15:15:35 GMT, Scott Lurndal wrote:
>>
>>> As someone who cut his teeth on
>>> Unix V6, an empty parameter list is less self-documenting than an
>>> explicit (void).
>>
>> Should that apply when calling the function as well?
>>
>>      res = func(void);
>>
>> instead of
>>
>>      res = func();
>>
>> ?
> 
> Ideally it would be (without syntactic ballast) just
> 
>       res = func;
> 
> (as many programming languages have it designed), in
> function definition and function call; no parameters,
> no unnecessary parenthesis.
> 
> (Even Algol 68, where I've seen 'void' mentioned for
> the first time, does not use 'void' for an empty
> function argument list definition or function call.)
> 
> But we use C here, so we have to take what's given.
> 

I prefer the consistency of function calls using parenthesis.  The 
consistent alternative, found in some other languages, is that they 
never need parenthesis - "foo a b" calls "foo" with parameters "a" and "b".

(Of course you'd need some syntax for referring to the function itself, 
or its address - "fp = &foo;" would not be too onerous, IMHO.)