Copy link from source location to destination location
H5L.copy(src_loc_id,src_name,dest_loc_id,dest_name,lcpl_id,lapl_id) copies the link specified by src_name from the file or group specified by src_loc_id to the destination dest_loc_id. The new copy of the link is created with the name dest_name.
dest_loc_id must refer to either the current file or a group in the current file. If dest_loc_id is the file identifier, the copy is placed in the file's root group.
The new link is created with the creation and access property lists specified by lcpl_id and lapl_id.