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From: aka@cbrma.UUCP
Newsgroups: net.lang.c
Subject: Re: Re: Precedent for use of =
Message-ID: <4738@cbrma.UUCP>
Date: Thu, 10-Jul-86 13:02:36 EDT
Article-I.D.: cbrma.4738
Posted: Thu Jul 10 13:02:36 1986
Date-Received: Fri, 11-Jul-86 23:00:36 EDT
References: <4824@sun.uucp> <499@cbmvax.cbmvax.cbm.UUCP> <6056@sri-spam.ARPA>
Reply-To: aka@cbrma.UUCP (Andy Kashyap(Andy) x5299)
Organization: AT&T-BL, RMAS, Columbus
Lines: 41

In article <6056@sri-spam.ARPA> argv@sri-spam.UUCP (AAAARRRRGGGGv) writes:
>In article <499@cbmvax.cbmvax.cbm.UUCP> daveh@cbmvax.cbm.UUCP (Dave Haynie) writes:
>>>   if (i = 0) {
>>>     /* do something */
>>>   }
>>>   else {
>>>     /* do something else */
>>>   }
>>> 
>>> is legal C and usually  /* does something else */   than you expected  :-)
>>
>>As long as you're writing in C, and you REALLY know the language, the above
>>construct would be ridiculous.
>
>I disagree and I believe you do, too. If you really look for this
>construct, it is quite common in C, altho good programmers comment
>that they know what they're doing here... for example, my favorite:
>
>main(argc, argv)
>char **argv;
>{
>    char *prog_name, *rindex();
>
>    if (prog_name = rindex(*argv, '/'))  /* find last '/' in argv[0] */
>	prog_name++; /* set prog_name to string following last '/' */
>    else prog_name = *argv; /* program was exec-ed from same dir or in PATH */
>    /* etc... */
>}
>
>dan (argv@sri-spam.arpa)

Look again, Dan, at the original posting.
The 'true' branch of the 'if' statement is *NEVER* executed.
-- 

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|                                                       | Andy Kashyap       |
|                                                       | AT&T Bell Labs     |
|                                                       | Columbus OH        |
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