Loading to R of Fortran DLL

Dear Thomas Lumley

Thank you very much for your support.

Thomas Lumley Forward:

R> print(dyn.load("FOO.DLL"))
NULL

This means that FOO.DLL is not loaded.
If FOO.DLL is loaded, any subroutine name available should be output.

No.  dyn.load() always returns NULL.  There is an error message if the DLL
could not be loaded.

You can check this by using dyn.load() on one of the DLLs in the base or
recommended packages.

Yes. I could check it on other recommemmded DLL.

Why did you think this would work? I can't find anything in the R
documentation that suggests dyn.load() returns a list of symbols.

I read Japanese Traslated Book of "The New S Language" by Becker, Chambers, Wilks (1988). 
In Chapter 7.2.1, Dynamic loading is described.
In this chapter, I found the following description:

The Function "dyn.load" returns character vector of Routine name included in Object file loaded.
For example, print(dyn.load("aaa.o")) returns Routine names which are available in all.o.

I think R is mostly compatible of S language.
This is why I wrote such question.

Best Regards,
Baba

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