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Re: old c

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In article <d2bac960-66bb-4c28-97ec-22c6fa35f244@googlegroups.com>,
luser droog  <luser.droog@gmail.com> wrote:
>One technique you can use to get pointer-like behavior
>from (implicit) ints is to use the integer values as
>offsets or *cursors*. For most unix-like platforms I
>have used, you can use the `brk()` system call to get
>a base-pointer that can be used to access heap memory
>with cursors.
>
>#include<unistd.h>
>int x;
>char*mem;
>main(){
>    mem=brk();
>    x=strdup("Hello, World!")-mem;
>    printf("%s\n", &mem[x]);
>}

Why?

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old c Rosario19 <Ros@invalid.invalid> - 2016-09-25 11:41 +0200
  Re: old c Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-09-25 11:24 +0100
    Re: old c Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-09-28 21:08 -0700
      Re: old c Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-09-29 11:01 +0100
        Re: old c Jerry Stuckle <jstucklex@attglobal.net> - 2016-09-29 10:11 -0400
          Re: old c Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-09-29 17:13 +0100
            Re: old c Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-09-29 09:51 -0700
            Re: old c Jerry Stuckle <jstucklex@attglobal.net> - 2016-09-29 17:15 -0400
        Re: old c supercat@casperkitty.com - 2016-09-30 08:03 -0700
  Re: old c luser droog <luser.droog@gmail.com> - 2016-09-25 11:13 -0700
    Re: old c jgk@panix.com (Joe keane) - 2016-09-28 21:02 +0000
      Re: old c luser droog <luser.droog@gmail.com> - 2016-09-28 15:28 -0700

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