[R] Can I ask for the C code inside an R function using .C?

[Liaw, Andy]

Source code for R and all CRAN packages are on CRAN.  If you want the C or
Fortran code used in R or add-on packages, you need to download the source
(the .tar.gz files).  You won't see the code if you just install the binary.

Andy

From: Yingfu Xie
> 
> Hello, all,
> 
> It is a general question, but I couldn't find the answer elsewhere. 
> I am using an R function using .C but don't understand one of its
> behaviors without the C code. I am wondering the so-called 'open
> source'. It doesn't include the C code together with the R function,
> does it? So what I want to ask is whether it is justified, possible or
> polite to ask for the C code behind the R function.
> Sorry if I miss anything! Thank you as always!
> 
> Regards,
> Yingfu
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