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From: David Brown <david.brown@hesbynett.no>
Newsgroups: comp.lang.c
Subject: Re: Whaddaya think?
Date: Mon, 17 Jun 2024 18:46:59 +0200
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On 17/06/2024 17:23, Richard Harnden wrote:
> On 17/06/2024 14:50, DFS wrote:
>> On 6/17/2024 3:39 AM, Kaz Kylheku wrote:
>>
>>> I think DFS might mean that they find themselves 
>>
>> he finds himself
>>
>>
>>> unable to omit the unnecessary return 0 statement entirely.
>>
>> yes
>>
>>
> 
> If a function is defined to return an int, then you should return one.
> 
> Anything else is just lazy/sloppy.  Just because main allows it as a 
> special case doesn't mean it's a good idea.
> 
> I mean: it's really not much extra to type.

There's nothing wrong with ending your "main" with "return 0;".  What 
Keith said was that it is unnecessary, that using parenthesis in the 
form "return(0);" looks like like a function call and is considered poor 
style by many people, and that it is useful to know that when "main" 
exists without an explicit returned value, it does so as though it had 
exited with "return 0;".  (And in another branch, he said the return 
type for "main" on hosted C systems should be "int".)

These are all true statements.

If you prefer to end "main" with "return 0;", that's absolutely fine - 
but it is /not/ lazy or sloppy to omit it.