| chan_req_t | Channel request/status entry |
| daq_block_header | Received data header |
| daq_channel_group_t | Channel group structure |
| daq_channel_t | Channel description structure |
| daq_listen_t | |
| daq_t | NDS1/2 client status structure |
| signal_conv1 | |
| signal_conv_t | Data unit conversion structure |
| trench_struct | NDS2 trend channel specification |
1.4.7