Hopefully at this point port doesn't conflict with any of talloc/tevent/tdb.

samba48-4.8.12_3 Free SMB/CIFS and AD/DC server and client for Unix
talloc-2.2.0 Hierarchical pool based memory allocator
tdb-1.4.0,1 Trivial Database
tevent-0.10.0 Talloc based event loop library