# C identifier version of `namespace_for`.
	# See `c_name`
	#
	# This method is used by entities to implement their `c_name`.
	fun c_namespace_for(v: MVisibility): String do
		if v <= private_visibility then return c_name
		var mgroup = self.mgroup
		if mgroup == null then
			return c_name
		else
			return mgroup.mpackage.c_name
		end
	end