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From: mitchalsup@aol.com (MitchAlsup1)
Newsgroups: comp.arch
Subject: Re: C and turtles, 80286 protected mode
Date: Wed, 16 Oct 2024 02:48:39 +0000
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On Wed, 16 Oct 2024 1:08:40 +0000, John Levine wrote:

> According to MitchAlsup1 <mitchalsup@aol.com>:
>>The paragraaph with 3 >'s indicates malloc() cannot be written
>>in std. C. It used to be written in std. K&R C. I am not asking
>>if it is still in the std libraries, I am asking what happened
>>to make it impossible to write malloc() in std. C ?!?
>
> It's easy enough to write malloc() in standard C if your flavor of the
> standard includes a way to ask the operating system for heap space.
> Back in the old days it was sbrk().  Now it's mmap(MAP_ANON).
>
> But I would be quite surprised if either of those ever made it into
> any version of standard C.

sbrk() was in the std. library on PDP-11/70 that I used 1982.