fixed serious initialization bug which screwed up default generation

eliminate 1 character reads

round up seconds so it doesn't return zero if there's time left.

handle negative times

save data in static area because dbmclose does a free().

save data in static array because dbmclose does a free().

rename shared data for sethostent/gethostbyname-addr and make global

modified to leave dbm files open if sethostent(1) used.

use flock so data base can be updated directly.

date and time created 83/12/05 16:13:05 by ralph

arraysz not recomputed if overflow.

date and time created 83/12/02 17:14:37 by ralph

revoke last change

close() fixed to fclose().

put back entry point __brk -- layer

fix to insure that overlapping strings are properly handled

MET and EET are - from GMT

make return values correspond to man page; from lepreau@utah-cs

don't lose fd's if fork fails

fix seek on IORW streams

just tidying up; I'll never learn...

don't allow file pointer to fall off file table

correct comment on usage

minor bugfix (avoid unlikely race)

installing Caltech malloc, with fixes from lepreau@utah-cs