Variables/Functions/Procedures Defined in Environment

Hello,

The functions isdefined(), isfunc(), isproc(),
etc. are usefull to find what variables/functions/
procedures are defined for your NCL environment
or session (if you know there names).

Is there a function that will return a string
array which lists all the defined variables/
functions/procedures ?

Maybe the present functions functions could be
modified to do so. It would be useful to know
what has been defined in the environment.

Thanks, Bruce

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