https://ardour.org/files/doxygen/lobject_8h.html
Ardour: lobject.h File Reference
the open source cross-platform DAW
h fileardourlobjectreference
https://www.lua.org/source/5.2/lobject.h.html
Lua 5.2.4 source code - lobject.h
5 2 4source codelualobjecth