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From: steve@taumet.com (Stephen Clamage)
Newsgroups: comp.lang.c
Subject: Re: printf and scanf in IBMC on IBM 3090
Message-ID: <585@taumet.com>
Date: 5 Feb 91 17:02:31 GMT
References: <1991Feb4.234251.14836@ms.uky.edu>
Organization: Taumetric Corporation, San Diego
Lines: 15

ghot@s.ms.uky.edu (Allan Adler) writes:

>When I run [this program], it refuses to execute
>the first printf until after the user has typed something in for the
>scanf statement, whereupon it executes both printf statements.

[program works as desired when '\n' added to printf statements]

This is an issue of system buffering, and when output characters appear
on the user's terminal.  The whole area is implementation-defined
(ANSI C standard, section 4.9.3).  A conforming implementation may show
the behavior you describe, so long as it documents it.
-- 

Steve Clamage, TauMetric Corp, steve@taumet.com