| ssd_ipc_ft | Function table handler for connections |
| ssd_ipc_msg | Ssd IPC Message structure |
| ssd_nh_add_parms | Structure for next hop addition |
| ssd_nh_opq_data | Structure for passing private data to the next hop |
| ssd_route_lookup_parms | Route lookup parameters |
| ssd_route_parms | Route structure for route addition |
| ssd_rt_delete_parms | Route structure for route deletion |
| ssd_rt_gateway | Route gateway structure |
| ssd_rt_lookup_reply_as_msg | AS number |
| ssd_rt_lookup_reply_gtway_entry_msg | A single next hop |
| ssd_rt_lookup_reply_head_msg | Route lookup reply message |
| ssd_rt_lookup_reply_route_entry_msg | Route entry message passed with the route lookup reply |
| ssd_rt_metrics | Route metric structure |
| ssd_sockaddr_un_ | Generic address structure, used only for referencing length and family |