Date: Mon, 6 Dec 1999 15:58:45 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Jason Yip <manman AT netteens DOT net>
cc: djgpp AT delorie DOT com
Subject: Re: Whatever the input, the output is always 0
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On Mon, 6 Dec 1999, Jason Yip wrote:

> whatever I input, say 4.0 5.0, the output is always =0 . why??
[snip]
> scanf("%lf%lf",a,b);

Re-read the docs of `scanf': it needs a *pointer* to the variables whose 
values you want to read.  So you need to say this:

	scanf("%lf %lf, &a, &b);

(Note the blank between the format descriptors: it's also important in 
some cases.)