more PNTTENTB.pls |grep public
more PNTOPTNB.pls |grep public
more PNRIGHTB.pls |grep public
more PNTCOASB.pls |grep public
Even i tried this and opened the individual .pls file. But did not found any word public.
You will not find the word public in the files. You can get the name of the API then use eTRM/MOS/Google for details about it.