int gre_io_send_mdata(
gre_io_t * handle,
gre_io_serialized_data_t * md_buffer
)
Send a serialized buffer of mdata (data manager key/value pairs) to the handle. The handle must have been opened for writing using GRE_IO_WRONLY.
Parameters: handle A valid handle created with gre_io_open() buffer A data buffer containing a serialized data Returns: -1 on failure anything else is success