H5VLrequest_optional_op
fn
herr_t H5VLrequest_optional_op(void * req, hid_t connector_id, int opt_type, ...)Performs an optional operation on a request using op type.
Parameters
req | Request object |
connector_id | VOL connector identifier |
opt_type | Optional operation type |
arguments | Variable arguments for the operation |
Returns
Non-negative on success, negative on failure.