From owner-freebsd-hackers@FreeBSD.ORG  Wed Feb  3 16:40:15 2010
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 72F441065790
	for <freebsd-hackers@freebsd.org>; Wed,  3 Feb 2010 16:40:15 +0000 (UTC)
	(envelope-from freebsd-hackers@m.gmane.org)
Received: from lo.gmane.org (lo.gmane.org [80.91.229.12])
	by mx1.freebsd.org (Postfix) with ESMTP id 299548FC23
	for <freebsd-hackers@freebsd.org>; Wed,  3 Feb 2010 16:40:14 +0000 (UTC)
Received: from list by lo.gmane.org with local (Exim 4.69)
	(envelope-from <freebsd-hackers@m.gmane.org>) id 1NciGs-0005cU-JS
	for freebsd-hackers@freebsd.org; Wed, 03 Feb 2010 17:40:06 +0100
Received: from lara.cc.fer.hr ([161.53.72.113])
	by main.gmane.org with esmtp (Gmexim 0.1 (Debian))
	id 1AlnuQ-0007hv-00
	for <freebsd-hackers@freebsd.org>; Wed, 03 Feb 2010 17:40:06 +0100
Received: from ivoras by lara.cc.fer.hr with local (Gmexim 0.1 (Debian))
	id 1AlnuQ-0007hv-00
	for <freebsd-hackers@freebsd.org>; Wed, 03 Feb 2010 17:40:06 +0100
X-Injected-Via-Gmane: http://gmane.org/
To: freebsd-hackers@freebsd.org
From: Ivan Voras <ivoras@freebsd.org>
Date: Wed, 03 Feb 2010 17:39:06 +0100
Lines: 11
Message-ID: <hkc8r7$ut3$2@ger.gmane.org>
References: <e0e25d5e1002030326p5e0ef0a1q5ebc77a4e1c69b7c@mail.gmail.com>
	<201002031024.03835.dmw@coder.cl>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
X-Complaints-To: usenet@ger.gmane.org
X-Gmane-NNTP-Posting-Host: lara.cc.fer.hr
User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US;
	rv:1.9.1.5) Gecko/20100118 Thunderbird/3.0
In-Reply-To: <201002031024.03835.dmw@coder.cl>
Sender: news <news@ger.gmane.org>
Subject: Re: Does getc(3) use the read(2) syscall?
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 03 Feb 2010 16:40:15 -0000

On 02/03/10 14:23, Daniel Molina Wegener wrote:
> On Wednesday 03 February 2010,
> Stefan Midjich<swehack@gmail.com>  wrote:

>> So my question is primarily, does getc use the read system call eventually?
>
>    No, certainly not.

I think you missed the "eventually" part :)

Eventually, it does - but not for every single byte read.