Path: utzoo!mnetor!uunet!lll-winken!lll-tis!ames!umd5!brl-adm!brl-smoke!gwyn
From: gwyn@brl-smoke.ARPA (Doug Gwyn )
Newsgroups: comp.lang.c
Subject: Re: A tale of two C's.
Message-ID: <7821@brl-smoke.ARPA>
Date: 3 May 88 14:02:03 GMT
References: <152@ghostwheel.UUCP> <7691@brl-smoke.ARPA> <154@ghostwheel.UUCP> <488@sas.UUCP> <924@cresswell.quintus.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 6

In article <924@cresswell.quintus.UUCP> ok@quintus.UUCP (Richard A. O'Keefe) writes:
>It's worth noting that exactly this technique is an offical part of the
>System V library interface (see 'matherr').

matherr() was intended to be replaced by user code (and so documented)
as a deliberate aspect of its design.  None of the other library routines
is obliged to support such perversion.