I'm afraid I am missing something. In my R function (call it "foo", say) I
am doing something like
foo <- function() {
...
.C("bar", ..., res=integer(n), ...)$res
}
but I don't know the "n" to use; that is determined inside my C function
"bar". Is there a way around this?
I'm sorry to be thick on this. Too many decades of C have made me love
pointers too much, I reckon.
Dirk Eddelbuettel wrote:
>
>
> You want R_alloc(). Here, "end of the call" is the call of the R function
> that calls your C function. This is what you want---the data will be
> available for the caller of your C code.
>
>
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