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Re: qsort man page

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Date Tue, 24 Jul 2012 00:07:50 -0400
From pete <pfiland@mindspring.com>
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pete wrote:
> 
> Bill Cunningham wrote:
> >
> > This is from the qsort man page. I don't quite understand why there is
> > a comment here saying that arguments to this generic function to pass
> > to qsort is a pointer to pointer.
> > It looks to me like cmpstringp takes
> > a generic pointer. Not pointer to pointer. Why does the comment say
> > pointer to pointer?
> 
> Because the argument that qsort will pass to cmpstringp,
> when qsort calls cmpstringp,
> is a pointer to a pointer.

The actual pointers passed by qsort could be of any type,
but the elements of the array being sorted are pointers,
and the pointers passed to cmpstringp from qsort,
will point to those pointer elements.

-- 
pete

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qsort man page Bill Cunningham <billcun@suddenlink.net> - 2012-07-21 14:14 -0700
  Re: qsort man page Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-07-21 22:57 +0100
    Re: qsort man page Bill Cunningham <billcun@suddenlink.net> - 2012-07-21 18:07 -0700
      Re: qsort man page Mark Storkamp <mstorkamp@yahoo.com> - 2012-07-23 08:49 -0500
        Re: qsort man page Bill Cunningham <billcun@suddenlink.net> - 2012-07-23 10:44 -0700
          Re: qsort man page tom st denis <tom@iahu.ca> - 2012-07-26 09:02 -0700
            Re: qsort man page John Gordon <gordon@panix.com> - 2012-07-26 16:41 +0000
              Re: qsort man page tom st denis <tom@iahu.ca> - 2012-07-26 09:59 -0700
      Re: qsort man page Ike Naar <ike@sverige.freeshell.org> - 2012-07-23 14:43 +0000
        Re: qsort man page Bill Cunningham <billcun@suddenlink.net> - 2012-07-23 13:16 -0700
          Re: qsort man page Barry Schwarz <schwarz45@yahoo.com> - 2012-07-23 13:29 -0700
            Re: qsort man page Bill Cunningham <billcun@suddenlink.net> - 2012-07-23 16:56 -0700
              Re: qsort man page Noob <root@localhost> - 2012-07-24 09:29 +0200
                Re: qsort man page Keith Thompson <kst-u@mib.org> - 2012-07-24 23:17 -0700
              Re: qsort man page Barry Schwarz <schwarz45@yahoo.com> - 2012-07-25 09:51 -0700
                Re: qsort man page Bill Cunningham <billcun@suddenlink.net> - 2012-07-25 20:51 -0700
                Re: qsort man page Barry Schwarz <schwarz45@yahoo.com> - 2012-07-26 14:27 -0700
                Re: qsort man page Bill Cunningham <billcun@suddenlink.net> - 2012-07-26 18:20 -0700
                Re: qsort man page Barry Schwarz <schwarz45@yahoo.com> - 2012-07-28 07:24 -0700
        Re: qsort man page pete <pfiland@mindspring.com> - 2012-07-23 23:39 -0400
    Re: qsort man page pete <pfiland@mindspring.com> - 2012-07-22 00:11 -0400
      Re: qsort man page Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-07-22 14:41 +0100
        Re: qsort man page pete <pfiland@mindspring.com> - 2012-07-22 13:01 -0400
          Re: qsort man page Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-07-22 21:36 +0100
            Re: qsort man page pete <pfiland@mindspring.com> - 2012-07-23 22:40 -0400
              Re: qsort man page pacman@kosh.dhis.org (Alan Curry) - 2012-07-24 04:29 +0000
                Re: qsort man page Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-07-24 11:40 +0100
                Re: qsort man page pete <pfiland@mindspring.com> - 2012-07-24 22:06 -0400
        Re: qsort man page Tim Rentsch <txr@alumni.caltech.edu> - 2012-09-07 11:38 -0700
  Re: qsort man page pete <pfiland@mindspring.com> - 2012-07-23 23:34 -0400
    Re: qsort man page pete <pfiland@mindspring.com> - 2012-07-24 00:07 -0400
  Re: qsort man page "christian.bau" <christian.bau@cbau.wanadoo.co.uk> - 2012-07-24 16:36 -0700

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