Re: external variable giving error

From:
James Kanze <james.kanze@gmail.com>
Newsgroups:
comp.lang.c++
Date:
Thu, 19 Feb 2009 11:20:31 -0800 (PST)
Message-ID:
<5ec7ab25-a707-4a8c-af26-48942654cc75@v15g2000yqn.googlegroups.com>
On Feb 19, 2:24 pm, "venkatar...@gmail.com" <battula.ven...@gmail.com>
wrote:

Thanks for giving reply
 i am giving the question ones again

file1.cpp
extern int arry[];
main()
{
  cout << sizeof(arry); // hear its giving compiler error
}

and
file2.cpp
arry[10] ={0};
actual question was like this i posted wrongly

same program working in in .c file( C program) in visual studio 6.0
and giving '0' out put
but not working in C++ give me the solution.


It's not legal C++ (nor C), and I've never seen a compiler which
didn't complain about it (but I've not got access to VC++---or
even to any version of VC++ at the moment, to try it). The C++
standard (and before that, the various documents which served as
reference) requires an error message. (Two, actually: one for
the missing return type of main, and the other for sizeof on an
incomplete type.)

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James Kanze (GABI Software) email:james.kanze@gmail.com
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