Re: [hackers] [sbase] _brk, _argc and _argv are reserved for the implementation || sin

From: Roberto E. Vargas Caballero <>
Date: Thu, 14 Nov 2013 12:15:30 +0100

> _brk, _argc and _argv are reserved for the implementation
> Thanks to for reporting this, the mail excerpt below.
> "actually __.* and _[A-Z].* are reserved for any usage and _.* is
> reserved for file scope identifiers"

I think in this case doesn't matter because _brk and _argc are going
to be compound scope identifiers (or block scope or whatever you want
call them), so it is not a problem (you can shadow a file scope
identifier with a compound scope identifier), but I agree it is
better avoid this kind of cases. But then we should do the
same with the __ARG_H__ macro (I already complained about it,
but nobody wanted to listen me).
Received on Thu Nov 14 2013 - 12:15:30 CET

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