microcontroller interfacing with 8255

hi everybody,
i got confused when i am interfacin 8051 with 8255 in c.
i have search a lot ,but no use . can anyone send me the same...
pls it's very urgent
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if you are looking for schematic ...
may be this would come in handy...

the interfacing of 8051 with 8255 is there in download section if you checked.. there is also a sample program along with it..