> So, did I do the right thing?  Should I try to match SUSv2 or Linux? 
> Also, I have some concerns about passing a union as a 
> variable arg...can 
> you really DO that?  I mean, it compiles and all, and SEEMS 
> to work, but...
> 
> Questions:
> 
> 1)  postgresql folks: does this work for you?

PostgreSQL has a check for existence of union semun and can live without
system-wide union semun.

> 
> 2)  should I go back to Linux style (define union semun in sem.h, 
> require four args on semctl())


                        Dan

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