comp.lang.c
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Re: sizeof(x)

Subject: Re: sizeofx
From: Ioannis Vranos
Date: Sun, 30 Mar 2008 23:11:55 +0300
Newsgroups: comp.lang.c

Ian Collins wrote:
> Ioannis Vranos wrote:
>> Ioannis Vranos wrote:
>>> I first saw that only sizeof x is valid at the pdf hosted at
>>> http://cprog.tomsweb.net.
>>
>> More specifically the above writes:
>>
>> "sizeof      Returns size of operand in bytes; two forms:
>>                               1) sizeof(type)
>>                               2) sizeof expression"
>>
>>
> Did you read what Harald said: "(x) is a perfectly valid expression"?

... right. However sizeofx doesn't compile and if (x) was considered an
expression it should be sizeof (x), and sizeof(x) shouldn't compile.


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