executing code under a child process and another tcp question

[tyler]

will do, thanks.
Tyler Littlefield.
Check out our website:
http://tysplace.the-leetest.net
check out my blog:
livejournal.com/~tylerrl
[my programs don't have bugs, just randomly added features]
[failure is not an option, it comes bundled with windows!]
----- Original Message ----- 
From: "Chris Norman" <cnorman at rnibncw.ac.uk>
To: "Speakup is a screen review system for Linux." <speakup at braille.uwo.ca>
Sent: Tuesday, March 28, 2006 12:43 AM
Subject: Re: executing code under a child process and another tcp question


>I don't know about code execution, but if you want a really "worryingly"
> good network sniffer, get NGREP.
>
> HTH,
>
> Chris Norman
> <!-- chris.norman4 at ntlworld.com -->
> ----- Original Message ----- 
> From: "tyler" <compgeek13 at gmail.com>
> To: "Speakup is a screen review system for Linux." 
> <speakup at braille.uwo.ca>
> Sent: Monday, March 27, 2006 6:00 PM
> Subject: executing code under a child process and another tcp question
>
>
>> Hello everyone,,
>> Though these questions may bwe boardering on the relm of programming, I
>> wasn't really sure where else to ask them, I am aware of the
>> blindprogramming list, but don't like to sign up to lists with high
>> traffic
>> like that one, because sometimes its hard for me to check my email, and
>> when
>> I get back (just from being on the blindgamers list, and the three lists
>> owned by the same organization as the programming at blindprogramming) after
>> not reading email for like 4 days, I had over 700 emails.
>> Anyway, I have a couple questions,
>> I read up on fork, and found that it isn't just something used to eat 
>> your
>> food with, but you can spawn other processes with it.
>> But, my main idea was a pipe, I wanted to spawn a child process, and
>> create
>> a pipe to it, so I read up on pipes to.
>> The only thing I have been able to find is how to get my process to
>> execute
>> shell commands,
>> Do I have to stick to shell commands, or can I actually switch execution
>> between child and parent.
>> Also, how do I get the pid of the parent process?
>> Last, I want to start playing with TCP.
>> If I send in the raw mode, can I just send a struct as a packet?
>> If so, that will only take me reading up on how packetts are formed (I
>> know
>> the basics) but not the exact ways, and then I can just create a struct 
>> to
>> represent a packet, and send it to where ever I wish. I also as a little
>> example wish to create a ping program, and a port scanner, I can do the
>> port
>> scanner fairly easy I think, with minimal research, but what does the 
>> ping
>> program do? I haven't been able to figure that one out, and I have used
>> numerous packett sniffers.
>> Things just look garbled.
>> Thanks for your help,
>>
>>
>> Tyler Littlefield.
>> Check out our website:
>> http://tysplace.the-leetest.net
>> check out my blog:
>> livejournal.com/~tylerrl
>> [my programs don't have bugs, just randomly added features]
>> [failure is not an option, it comes bundled with windows!]
>>
>>
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>
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