4.4BSD snapshot (revision 8.1); add 1993 to copyright

written by Kirk McKusick; add Berkeley specific copyright notice

update from John Gilmore for gcc

oops. i left the diagnostics in.
oh good, now they are in the sccs file in case we need them.

yet another try at getting reals read correctly.

massive cleanups to make accept the standard

peter gets pissy and wants it to be "right"!

put in checking for overflow/underflow

move the text of error messages from ERROR to the functions
which generate them.

clear EOLN so that partial last lines can be detected

check for EOF after data read

date and time created 80/10/30 00:34:40 by mckusick