MrmOpenHierarchyFromBuffer allows you to specify a buffer
containing information from UID files that MRM searches in subsequent
fetch operations.
This function also allocates a hierarchy ID and initializes the
optimized search lists in the hierarchy.
buffer
Specifies a stream of bytes containing information from UID files
hierarchy_id
Returns the search hierarchy ID.
The search hierarchy ID identifies the buffer that MRM searches when
performing subsequent fetch calls.
RETURN
This function returns one of the following status return constants: