From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Lennart Borgman (gmail)" Newsgroups: gmane.emacs.help Subject: Re: Checking if a function is built-in Date: Tue, 10 Jun 2008 23:46:16 +0200 Message-ID: <484EF628.4070701@gmail.com> References: <6b89c8F3aq8bnU1@mid.individual.net> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1213134454 8669 80.91.229.12 (10 Jun 2008 21:47:34 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 10 Jun 2008 21:47:34 +0000 (UTC) Cc: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Jun 10 23:48:16 2008 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1K6BhN-0002ws-Ox for geh-help-gnu-emacs@m.gmane.org; Tue, 10 Jun 2008 23:48:14 +0200 Original-Received: from localhost ([127.0.0.1]:50439 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1K6Bga-0002zq-5S for geh-help-gnu-emacs@m.gmane.org; Tue, 10 Jun 2008 17:47:24 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1K6Bfa-0002eg-At for help-gnu-emacs@gnu.org; Tue, 10 Jun 2008 17:46:22 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1K6BfZ-0002eI-KR for help-gnu-emacs@gnu.org; Tue, 10 Jun 2008 17:46:21 -0400 Original-Received: from [199.232.76.173] (port=42516 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1K6BfZ-0002eD-HP for help-gnu-emacs@gnu.org; Tue, 10 Jun 2008 17:46:21 -0400 Original-Received: from ch-smtp01.sth.basefarm.net ([80.76.149.212]:46378) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1K6BfZ-0006D3-6S for help-gnu-emacs@gnu.org; Tue, 10 Jun 2008 17:46:21 -0400 Original-Received: from c83-254-145-59.bredband.comhem.se ([83.254.145.59]:59919 helo=[127.0.0.1]) by ch-smtp01.sth.basefarm.net with esmtp (Exim 4.68) (envelope-from ) id 1K6BfX-0008RK-4f for help-gnu-emacs@gnu.org; Tue, 10 Jun 2008 23:46:19 +0200 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.9) Gecko/20071031 Thunderbird/2.0.0.9 Mnenhy/0.7.5.666 In-Reply-To: <6b89c8F3aq8bnU1@mid.individual.net> X-Antivirus: avast! (VPS 080610-1, 2008-06-10), Outbound message X-Antivirus-Status: Clean X-Originating-IP: 83.254.145.59 X-Scan-Result: No virus found in message 1K6BfX-0008RK-4f. X-Scan-Signature: ch-smtp01.sth.basefarm.net 1K6BfX-0008RK-4f 1b201ec0f741cf20cb17afb7cd0bfefe X-detected-kernel: by monty-python.gnu.org: Linux 2.6? (barebone, rare!) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:54688 Archived-At: Marc Tfardy wrote: > Nordlöw schrieb: >> Is there a predicate that can check if a function is built-in? > > ,----[ C-h f fboundp RET ] > | fboundp is a built-in function in `C source code'. > | (fboundp symbol) > | > | Return t if symbol's function definition is not void. > | > | [back] > `---- This does not check if a function is built-in, but it gives a hint actually. Look at the code for `describe-function'. Somewhere it writes "built-in".