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From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c
Subject: Re: Understanding the program that has pointers to two_dimensional arrays
Date: Mon, 05 Dec 2016 12:21:09 -0800
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Ben Bacarisse <ben.usenet@bsb.me.uk> writes:
> Keith Thompson <kst-u@mib.org> writes:
>> Alla _ <modelling.data@gmail.com> writes:
[...]
>>>           printf(" %d",(int)(rowptr[row] - rowptr[row-1]));
> <snip>
>> On my system, the pointers differ by 48 bytes, which is probably
>> an indication of how much overhead when malloc allocates 8 bytes
>> (sizeof (int*)).
>
> The allocations are for 10 ints and so are very likely to be 40 bytes.
>
> <snip>

Right, my mistake.

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Working, but not speaking, for JetHead Development, Inc.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"