breaks the size limit for at least the pmax bootblocks. Fixes PR port-pmax/15924 from Gregory McGarry.
use libsa in an application where there are no file systems or devices.
(PR#1404). Things to be noted: - all IP addresses are now `struct in_addr's. - the function rarp_getipaddress() no longer return `myip'; in stead it returns -1 on failure (errno set), 0 on success. `myip' is set as a size-effect.