H5Dscatter

herr_t H5Dscatter(H5D_scatter_func_t op,  void *  op_data,  hid_t type_id,
       hid_t dst_space_id,  void *  dst_buf)

Scatters data into a selection in a memory buffer.

`op`	Callback function that provides source data
`op_data`	User data to pass to the callback
`type_id`	Datatype identifier
`dst_space_id`	Dataspace describing the destination selection
`dst_buf`	Destination buffer

Non-negative on success, negative on failure.