H5VLlink_optional_op

herr_t H5VLlink_optional_op(void *  obj,  const(H5VL_loc_params_t) *  loc_params,  hid_t connector_id,
       int  opt_type,  hid_t dxpl_id,  void * *  req, ...)

Performs an optional operation on a link using op type.

Parameters

`obj`	Object containing link
`loc_params`	Location parameters
`connector_id`	VOL connector identifier
`opt_type`	Optional operation type
`dxpl_id`	Data transfer property list
`req`	Async request object (can be null)
`arguments`	Variable arguments for the operation

Returns

Non-negative on success, negative on failure.