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| From | Ben Bacarisse <ben.usenet@bsb.me.uk> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: how does one access a specific address location in C? |
| Date | 2016-06-16 15:07 +0100 |
| Organization | A noiseless patient Spider |
| Message-ID | <878ty5w7ku.fsf@bsb.me.uk> (permalink) |
| References | <994e7598-1570-4931-8cee-d5a7abb967a5@googlegroups.com> |
G G <gdotone@gmail.com> writes: > how does one access a specific address location? > > given address say: 0x00000002 > > given the value at that location is an int, 32 bits in size. *(int *)2 will treat 2 as a pointer to an int and give you the int found there. It won't always work (you may not have permission or 2 might not be a properly aligned address for an int and so on) but it's about the best you can do. > ------ > > given address say: 0x00000006 > > given the value at that location in a char, 16 bits in size. Do you mean "is a char"? *(char *)6 would be a start, but is char really 16 bits on your target system? <snip> -- Ben.
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how does one access a specific address location in C? G G <gdotone@gmail.com> - 2016-06-16 06:32 -0700
Re: how does one access a specific address location in C? gazelle@shell.xmission.com (Kenny McCormack) - 2016-06-16 14:00 +0000
Re: how does one access a specific address location in C? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-06-16 15:07 +0100
Re: how does one access a specific address location in C? G G <gdotone@gmail.com> - 2016-06-16 07:18 -0700
Re: how does one access a specific address location in C? Robert Wessel <robertwessel2@yahoo.com> - 2016-06-16 11:38 -0500
Re: how does one access a specific address location in C? Mark Storkamp <mstorkamp@yahoo.com> - 2016-06-16 09:16 -0500
Re: how does one access a specific address location in C? G G <gdotone@gmail.com> - 2016-06-16 07:50 -0700
Re: how does one access a specific address location in C? G G <gdotone@gmail.com> - 2016-06-16 08:04 -0700
Re: how does one access a specific address location in C? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-06-16 17:03 +0100
Re: how does one access a specific address location in C? G G <gdotone@gmail.com> - 2016-06-16 10:01 -0700
Re: how does one access a specific address location in C? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-06-16 14:29 -0400
Re: how does one access a specific address location in C? Mark Storkamp <mstorkamp@yahoo.com> - 2016-06-16 13:34 -0500
Re: how does one access a specific address location in C? BartC <bc@freeuk.com> - 2016-06-16 19:57 +0100
Re: how does one access a specific address location in C? raltbos@xs4all.nl (Richard Bos) - 2016-06-18 20:50 +0000
Re: how does one access a specific address location in C? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-06-18 17:23 -0400
Re: how does one access a specific address location in C? raltbos@xs4all.nl (Richard Bos) - 2016-06-18 21:30 +0000
Re: how does one access a specific address location in C? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-06-16 21:09 +0100
Re: how does one access a specific address location in C? Mark Storkamp <mstorkamp@yahoo.com> - 2016-06-16 11:10 -0500
Re: how does one access a specific address location in C? James Kuyper <jameskuyper@verizon.net> - 2016-06-16 13:41 -0400
Re: how does one access a specific address location in C? G G <gdotone@gmail.com> - 2016-06-16 11:14 -0700
Re: how does one access a specific address location in C? Keith Thompson <kst-u@mib.org> - 2016-06-16 11:26 -0700
Re: how does one access a specific address location in C? James Kuyper <jameskuyper@verizon.net> - 2016-06-16 16:38 -0400
Re: how does one access a specific address location in C? "James R. Kuyper" <jameskuyper@verizon.net> - 2016-06-18 11:32 -0400
Re: how does one access a specific address location in C? James Kuyper <jameskuyper@verizon.net> - 2016-06-16 12:45 -0400
Re: how does one access a specific address location in C? G G <gdotone@gmail.com> - 2016-06-16 10:19 -0700
Re: how does one access a specific address location in C? Keith Thompson <kst-u@mib.org> - 2016-06-16 11:20 -0700
Re: how does one access a specific address location in C? supercat@casperkitty.com - 2016-06-16 11:38 -0700
Re: how does one access a specific address location in C? raltbos@xs4all.nl (Richard Bos) - 2016-06-18 13:19 +0000
Re: how does one access a specific address location in C? supercat@casperkitty.com - 2016-06-18 07:11 -0700
Re: how does one access a specific address location in C? Robert Wessel <robertwessel2@yahoo.com> - 2016-06-18 14:41 -0500
Re: how does one access a specific address location in C? supercat@casperkitty.com - 2016-06-18 16:02 -0700
Re: how does one access a specific address location in C? Les Cargill <lcargill99@comcast.com> - 2016-06-18 18:53 -0500
Re: how does one access a specific address location in C? supercat@casperkitty.com - 2016-06-18 17:31 -0700
Re: how does one access a specific address location in C? Les Cargill <lcargill99@comcast.com> - 2016-06-19 06:47 -0500
Re: how does one access a specific address location in C? Robert Wessel <robertwessel2@yahoo.com> - 2016-06-19 00:37 -0500
Re: how does one access a specific address location in C? BartC <bc@freeuk.com> - 2016-06-19 11:07 +0100
Re: how does one access a specific address location in C? Robert Wessel <robertwessel2@yahoo.com> - 2016-06-19 16:21 -0500
Re: how does one access a specific address location in C? Robert Wessel <robertwessel2@yahoo.com> - 2016-06-19 00:34 -0500
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