[Rd] Standalone example to use eval in C (not eval in R)?

[Simon Urbanek]

On May 24, 2013, at 6:00 AM, Peng Yu wrote:

> 'eval' is used in optim.c, but it is used along with other things. I'm
> looking for a standalone example to demonstrate the usage of eval in
> C.  Does anybody have some a simple example? Thanks.
> 

Try R-exts:
"5.11 Evaluating R expressions from C"

Cheers,
S