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From: henry@utzoo.UUCP (Henry Spencer)
Newsgroups: net.lang.c
Subject: Re: What ever happened to %r in printf ?
Message-ID: <6762@utzoo.UUCP>
Date: Tue, 3-Jun-86 19:38:24 EDT
Article-I.D.: utzoo.6762
Posted: Tue Jun  3 19:38:24 1986
Date-Received: Tue, 3-Jun-86 19:38:24 EDT
References: <126@danews.UUCP>
Organization: U of Toronto Zoology
Lines: 11

> Does anyone know why the %r formatting option of printf was
> never documented on older UNIX systems ?  It doesn't exist
> on the Sys 5 Rel 2 we have.

There is no portable way to write the corresponding argument.  vprintf
(in cooperation with varargs.h) is intended as a portable way to get
the same effect.
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