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From: ado@elsie.UUCP (Arthur David Olson)
Newsgroups: net.lang.c
Subject: Re: Uses of \"short\" ?
Message-ID: <5292@elsie.UUCP>
Date: Fri, 15-Nov-85 12:52:12 EST
Article-I.D.: elsie.5292
Posted: Fri Nov 15 12:52:12 1985
Date-Received: Sat, 16-Nov-85 03:53:17 EST
References: <3241@brl-tgr.ARPA>
Organization: NIH-LEC, Bethesda, MD
Lines: 22
Summary: Lest we forget. . .

> . . .The main uses I have for type casts fall into a few categories:
>
>   (void) to discard the return value of a function. . .
>
>   Casting the returned value from malloc() (also the argument to free()). . .
> 
>   Forcing a short or an int to become a long. . .to avoid numeric overflow.
> 
>   Truncating a floating-point quantity to its integer part. . .
> 
>   Passing a NULL pointer argument to a function.
> 
>   Documenting a coercion that will occur anyhow. . .

Be sure to add:

    Casting the first argument to fread and fwrite.
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