Here is a list of all files with brief descriptions:

[detail level 123]

docs
include
nros
rmw_entity.h	Typed entity structs for the nros RMW C surface
rmw_event.h	Tier-1 status events: liveliness changes, deadline misses, message loss
rmw_ret.h	Return-code constants for the nros RMW C vtable
rmw_transport.h	Runtime-pluggable custom transport vtable (Phase 115.A)
rmw_vtable.h	C function table for plugging third-party RMW backends into nros