H5Acreate_by_name
fn
hid_t H5Acreate_by_name(hid_t loc_id, const char * obj_name, const char * attr_name,
hid_t type_id, hid_t space_id, hid_t acpl_id, hid_t aapl_id, hid_t lapl_id)Creates an attribute by name