Function Rf_lcons_unchecked 

pub unsafe extern "C-unwind" fn Rf_lcons_unchecked(
    car: SEXP,
    cdr: SEXP,
) -> SEXP

Unchecked FFI binding for Rf_lcons. Generated from source location line 510, column 12. Generated from source file miniextendr-api/src/sys.rs.