Function eraDtf2d 

pub unsafe extern "C" fn eraDtf2d(
    scale: *const c_char,
    iy: c_int,
    im: c_int,
    id: c_int,
    ihr: c_int,
    imn: c_int,
    sec: f64,
    d1: *mut f64,
    d2: *mut f64,
) -> c_int