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From: gill@boris.mscs.mu.edu (Vijay (Ender) Gill)
Newsgroups: alt.hackers
Subject: Re: Something fun
Message-ID: <558@spool.mu.edu>
Date: 7 Mar 91 13:36:17 GMT
References: <4669@eastapps.East.Sun.COM> <K3C&ZQ*@warwick.ac.uk>
Sender: news@spool.mu.edu
Organization: Marquette University - Department MSCS
Lines: 24
Approved: gill@boris.mscs.mu.edu

In article <K3C&ZQ*@warwick.ac.uk> estdwha@warwick.ac.uk (CrisP) writes:
[---deleted---]

>>    for (x = *argv; *argv; argv++) {
>>	for (p = *argv; *p; p++) {
>		  ^^^^
>Shouldn't this be x?
>
[---deleted---]

>>    strcpy(x, "x");
            ^^^^^^^^ --- This here is the key line.  x is used as
			 a placeholder, because argv is incremented,
			 at the start, x --> argv[0];
>--------------------------------------------------------------------
>crisp@uk.ac.warwick.cs   |   I didn't do it. Nobody saw me do it.
>estdwha@uk.ac.warwick.cu | You can't prove anything. - Bart Simpson.
>--------------------------------------------------------------------



cheers
-dicky gill (Violator)
-gill@boris.mscs.mu.edu