@bright-apartment-76721 the init hook symbol as called by python to initialize the c module on import, e.g.

$ nm -g /Users/kwilson/.cache/pants/bin/native-engine/mac/10.12/af2e5b09cb7eee743c8d4e065258ac046c8a19ac/native_engine.so  |grep -i _init |grep engine
0000000000094ad0 T _initnative_engine