/*
* The core structure's c_midmag field (like exec's a_midmag) is a
* network-byteorder encoding of this int
* FFFFFFmmmmmmmmmmMMMMMMMMMMMMMMMM
* Where `F' is 6 bits of flag (currently unused),
* `m' is 10 bits of machine-id, and
* `M' is 16 bits worth of magic number, ie. COREMAGIC.
* The macros below will set/get the needed fields.
*/