Comment by obviouslynotme

Here's a link to one of the papers: https://dl.acm.org/doi/10.1145/954654.954661

You call into C or assembly to reserve memory and return an out-of-bounds index to a global one member array. That index is generated from the pointer to the new memory as an offset.

You may have had trouble finding it since I misspelled DYNOSOR (no U).