SunOS  4.1.2  or  earlier  (Patch-ID#  100383-06  fixes this)
AIX
3.2.x
A/UX 2.0.1
SCO 3.2v4.2
BSD NET/2 Derived Systems
UNICOS
6.0/6.E/6.1
NeXTstep  Release 2.x
IRIX 3.3/4.0  (fixed in 4.0)
