Function Groups for the Extended API

The extension to the PI-API adds functions which may be categorized into five functional groups. These are piar for archive functions, pisn for snapshot functions, pitm for time manipulation functions and piut for utility functions. A single function pipt_pointtypex has been added to the pipt group to obtain more detailed information on PI point type.

Existing PI-API functions are unchanged by these new additions.

Enabling Operational Intelligence