how to retrieve time until microsecond in RPG/400??

In RPG ILE IV (V4R4) we could retrieve time until micro second using
timestamp.
eg: 

        DRealTime         S               Z   INZ(*SYS)       
        C                   TIME                    RealTime  

but I don't know how to get the same result using RPG/400 nor RPG ILE V3R2.
Is there any way I could retrieve current time like what in V4R4 does??
Any one can help?

ps: In RPG ILE V3R2 there's a timestamp type too but The code above (V4R4) 
couldn't be used to don't know how to use it cause lack of documentation of
V3R2.

Thanks & Best regards,
Danny
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