Allow routines to be called by nmb.c

name resolution method.

URL.

to nic.c

Add struct sockaddr_in.

markers appear before the symbols that immediately follow the table.

to the object name in order to generate e.g. per-file variables.

markers are now static labels within the objects that refer to them.

keep adding new tables to each architecture's linker scripts.

(e.g. section start indicators) show up before the symbols they're
indicating the start of.

thinks they are.
Other bus drivers modified for consistency.