getenv.c	10/6/92		allow definition of TZ in users
    				environment variable.
memset.c	10/7/92		last word of word array was being set a
    				byte at a time instead of a word at a time.
directory.c	10/8/92
    		02/05/93	delete usage of '' around dir name.  Vomm
    				did not like it.  Added missing break which
    				caused ^( to be changed to ^^(.
unixio.c	10/8/92		return value for read was not always
    				initialized correctly causing false error.
time.c		11/18/92	correct time and ftime to return GMT time
ctime.c		11/18/92	delete incorrect and duplicated code. the
    				correct calls are in time_comm.c.
unix2mpx.c	02/05/93	../dir not being converted correctly.
