| typedef void(* Ucs_Nd_ReportCb_t)(Ucs_Nd_ResCode_t code, Ucs_Signature_t *signature, void *user_ptr) | 
Function signature of result callback used by Node Discovery service.
The Node Discovery service reports the result of each node and some system events by this callback function.
| code | Result code | 
| signature | Signature of the respective node | 
| user_ptr | User reference provided in Ucs_InitData_t::user_ptr |