Functions to make generic over tcp/chaos.

SI:DECODE-UNIT-ARGUMENT in SYS:IO;DISK

HOSTAT in SYS:NETWORK;CHAOS;CHAUX
UP-HOSTS
PRINT-HOST-TIMES

FINGER
WHOIS
SHOUT


QSEND SYS:Io1;conver

Already done: FILE, but must make file access able to choose QFILE to
the other side of a 2x2 but use TCP over net even if it has a
chaosnet address.

OK: SMTP.

SUPDUP/TELNET/KERMIT.