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[2001:8b0:bf73:93f7::51bb:e332]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-458705c4fa5sm33453105e9.26.2025.07.24.14.59.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Jul 2025 14:59:50 -0700 (PDT) Received: from jsm28 (helo=localhost) by digraph.polyomino.org.uk with local-esmtp (Exim 4.97) (envelope-from ) id 1uf3ye-000000013vF-2QZI; Thu, 24 Jul 2025 21:59:48 +0000 Date: Thu, 24 Jul 2025 21:59:48 +0000 (UTC) From: Joseph Myers To: Alejandro Colomar cc: Vincent Lefevre , C Committee , linux-man@vger.kernel.org, alx@kernel.org Subject: Re: [SC22WG14.32615] alx-0051r0 - don't misuse reserved identifier 'exp' In-Reply-To: <20250724201957.0D806356A06@www.open-std.org> Message-ID: References: <20250714222434.4D926356820@www.open-std.org> <20250724191011.GL4912@qaa.vinc17.org> <20250724201957.0D806356A06@www.open-std.org> Precedence: bulk X-Mailing-List: linux-man@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII On Thu, 24 Jul 2025, Alejandro Colomar wrote: > > It is not too broad. A compiler may define the identifier as > > a builtin. For instance... GCC! The following program fails > > to compile (note that I do not even include ): > > > > static int exp (void) > > { > > return 1; > > } That's file scope, which is a context in which exp is reserved. The proposed change was about function prototype scope, in which it's not reserved. -- Joseph S. Myers josmyers@redhat.com