i previously had a bad habit of using double underscores in include guard macro names, which are implementation-reserved per the C++98 standard (see 17.4.3.1.2 Global names). Co-authored-by: Pheenoh <pheenoh@gmail.com>
* begin splitting d_a_alink * fix Co-authored-by: Pheenoh <pheenoh@gmail.com>