RPCRTAPI RPC_STATUS RPC_ENTRY
RpcBindingSetAuthInfoA( RPC_BINDING_HANDLE Binding, RPC_CSTR ServerPrincName, ULONG AuthnLevel,
                        ULONG AuthnSvc, RPC_AUTH_IDENTITY_HANDLE AuthIdentity, ULONG AuthzSvr )

PUBLIC void rpc_binding_set_auth_info
(
  rpc_binding_handle_t    binding_h,
    unsigned_char_p_t       server_princ_name,
      unsigned32              authn_level,
        unsigned32              authn_protocol,
          rpc_auth_identity_handle_t auth_identity,
            unsigned32              authz_protocol,
              unsigned32              *st
              )