odd list object api behavior

I noticed today in an experiment that when using QUSLOBJ, the destination
user space contained objects to which I was not authorized (as the user
running the program) but that when I tried to retrieve the list entries,
strange pointer errors occured.

That is, if you write a program that uses QUSLOBJ to list *ALL/*ALL
*USRPRF and run it as a user with no special authorities, the API will
tell you that there are, say, 42 list entries (42 user profiles), although 
DSPOBJD and friends will show only a few: the objects to which you're
authorized.

It seems to me that you can read the standard list header of the user
space, but not the entries themselves.  Using SST to display the user
space reveals that the info is there, though.

I found this interesting.  I would appreciate comments.

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