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From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.unix.questions
Subject: Re: how to use scandir()?
Message-ID: <13677@smoke.BRL.MIL>
Date: 28 Aug 90 19:41:43 GMT
References: <9008271747.AA02292@ws-38.cae.wisc.edu> <KATSU.90Aug28105457@sran14.sra.co.jp>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
Lines: 7

In article <KATSU.90Aug28105457@sran14.sra.co.jp> katsu@sra.co.jp (WATANABE Katsuhiro) writes:
>> n = scandir(".", namelist, NULL, NULL)        is a reasonable call,

No, it is not "reasonable".  The only time you should pass uncast NULL
arguments to a function is when there is a prototype for the function
in scope, which is not possible in pre-ANSI C.  In this particular case
the last two arguments should be either (int(*)())NULL or (int(*)())0.