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Forum: Programming 01-05-2015
1,601
Posted By orbit
Don Cragun is right, I got a pdp11 simulator...
Don Cragun is right, I got a pdp11 simulator working, and there is no $?.

Thanks again :)


After reviewing the code, I stumbled over a last thing I do not understand.


char *nxtarg() {
...
Forum: Programming 01-04-2015
1,601
Posted By orbit
Thanks again ongoto, that helped me. And thank...
Thanks again ongoto, that helped me.
And thank you Don Cragun, for this detailed answer, I really appreciate it :)

@achenle

Notice that the parameter s in exp(s), isn't used at all in the...
Forum: Programming 01-03-2015
1,601
Posted By orbit
Thank you ongoto and thank you achenle for your...
Thank you ongoto and thank you achenle for your great explanation :)

I worked really hard on understanding the code and I nearly got everything.
This is the last part I do not understand:

...
Forum: Programming 12-31-2014
1,601
Posted By orbit
I am trying to understand the whole source code....
I am trying to understand the whole source code. I would like to know what each functions does, what each line does. So I picked some lines I do not understand and wrote the questions here.


...
Forum: Programming 12-31-2014
1,601
Posted By orbit
Some questions regarding old if.c
Hey :)
I have some questions regarding the old unix if command.
(see man pageman.cat-v.org/unix-6th/1/if

Here I uploaded the source code: (it's a bit too long, to put it here)...
3,905
Posted By orbit
Again thank you for all the answers. :b: ...
Again thank you for all the answers. :b:

Perderabo said:


Could you please explain this a bit more (regarding seekable).
3,905
Posted By orbit
Thank you both for your great answers :) I...
Thank you both for your great answers :)

I have still some questions.

1.
What does "interactively" mean? How do you use the shell interactively?

2.
What is a label? Is it a string with or...
3,905
Posted By orbit
Questions regarding command manual
Hey :) I am trying to understand the command goto.
I have some questions regarding the goto manual.

1.What does the underlined part mean?
I'm not allowed to type goto in the shell? But if goto...
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