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Opens an existing packet table.
hid_t H5PTopen(hid_t loc_id, const char *dset_name)
IN: Identifier of the file or group within which the packet table can be found.
const char * dset_name
IN: The name of the packet table to open.
H5PTopen opens an existing packet table in the file or group specified by loc_id. dset_name is the name of the packet table and is used to identify it in the file. This function is used to open both fixed-length packet tables and variable-length packet tables. The packet table should later be closed with H5PTclose.
Returns an identifier for the packet table, or H5I_BADID on error.