1//! Some C APIs for R coded in Rust.
2//!
3//!
45pub use std::mem::transmute;
67// begin --------------- get SEXP ptr
89/// C Macro DATAPTR()
10///
11#[macro_export]
12macro_rules! DATAPTR{
1314 ($v:ident) => (transmute::<SEXP,*mut SEXPREC_ALIGN>($v));
1516}