LispWorks now has various environment access APIs which are based on those specified by Common Lisp: the Language (2nd Edition):
hcl:augment-environment
,
hcl:variable-information
,
hcl:function-information
and
hcl:declaration-information
.
There is also an additional function
system:map-environment
.
LispWorks Release Notes and Installation Guide - 23 Dec 2011