> As someone who had to go rattling over the USB gadget subsystem, I can tell you that running "grep" with "find" was the standard way to find some data structure buried in a file included 8 layers deep.

It has always amazed me how finding something which originally seemed a trivial little thing, usually meant going through a chain of #defines and typedefs across many header files. It's the same with GLibc, by the way. It' a bit like when you hike to a summit by following a crest path: you always think the next hump in sight is the right one, your destination, the promise land; and when you reach it, dammit, it wasn't, your goal is actually the next one. Or perhaps the next after the next. Or...