From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <014501bffbb1$bef147d0$62356887@HWTPC>
From: "Howard Trickey" <howard@research.bell-labs.com>
To: <9fans@cse.psu.edu>
References: <200007311515.LAA18248@cse.psu.edu> <3985E318.10B7E8F8@arl.army.mil>
Subject: Re: [9fans] Installing the updates
Date: Tue,  1 Aug 2000 08:12:22 -0400
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> From: "Douglas A. Gwyn" <gwyn@arl.army.mil>
> Since the C standard definitely requires idempotency for the
> standard headers (except <assert.h>), at least the APE headers
> ought to conform, to ease the burden of importing non-native code.

The APE headers do indeed conform.
There are two stdio.h's; the one in /sys/include is for the "plan 9 way"
of programming (no include protection), and the one in /sys/include/ape
is for importing non-native code.