Map different pages of a read-only GLOP or reload the single page of a read/write or globally modifiable GLOP.
FNC_GLOP_Map_Page returns an integer that indicates success or failure.
|0||Page was mapped.|
|-1||The index is not valid or the map does not exist.|
|-2||Invalid page number.|
|-3||Lock conflict. The GLOP is locked by the caller and the system cannot change the page.|