This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.
- 64 bit long type safe (wire protocols specified in explicit sized types)
- Support systems that don't do unaligned accesses
- Support for explicit int16 and int32 sizes in xdr
Obtained from: a diff of FreeBSD vs. OpenBSD/NetBSD rpc code.