I wanna these 2 files urgently
You can find in 11g demo
Download form here
Oracle Forms 11g Demo Pack
But, Is this useful for Forms 6i?
Not sure, but you can try to open these in 6i, save as and compile it.
meanwhile, i'll try to share 6i version.
Have you tried a Google search for: Oracle Forms 6i Demos? There are several options to download the 6i demos.