LISTENV-NEXT
The LISTENV-NEXT function retrieves the next property in a list.
Syntax:
 CALL "C$LIST_ENVIRONMENT" USING LISTENV-NEXT 
                                 listenvHandle 
                                 variableName
Parameters:
LISTENV-NEXT
Constant
 
listenvHandle
USAGE HANDLE
Specifies the handle of a list of properties, returned by the LISTENV-OPEN function.
variableName
PIC X(n)
Receives the name of the next property in the list. When no more properties are available, variableName is set to spaces.