[project @ 2003-11-12 17:27:00 by sof]

[project @ 2003-11-12 17:27:00 by sof]
Tidy up a couple of unportable coding issues:

- conditionally use empty structs.
- use GNU attributes only if supported.
- 'long long' usage
- use of 'inline' in declarations and definitions.

Upshot of these changes is that MSVC is now capable of compiling
the non-.hc portions of the RTS.