--- name: "radcli_dae_reply" section: "3" platform: "linux" package: "radcli" version: "2.0.1-1" release: "Arch Linux 2026-11-01" platforms: ["linux"] url: "https://new.carta.tech/radcli_dae_reply" --- # radcli\_dae\_reply(3) Answer a request with an ACK or NAK, selecting 41/42 or 44/45 from the request's own code, mirroring its Proxy-State attributes, and computing the Response Authenticator over the request's Authenticator. ## NAME radcli\_dae\_reply - Answer a request with an ACK or NAK, selecting 41/42 or 44/45 from the request's own code, mirroring its Proxy-State attributes, and computing the Response Authenticator over the request's Authenticator. ## SYNOPSIS ``` #include int radcli_dae_reply( radcli_dae_request *req, int ack ); ``` ## DESCRIPTION ## PARAMETERS - **req** a request passed to a radcli\_dae\_handler, not yet replied to. - **ack** non-zero for an ACK (Disconnect-ACK/CoA-ACK), zero for a bare NAK with no Error-Cause attribute most callers rejecting a request should use radcli\_dae\_reply\_error() instead, which also states why. ## RETURN VALUE 0 once the reply is handed to the network, -1 on failure (req is NULL, already replied to, or the reply could not be sent). ## SEE ALSO [*radcli\_ctx\_dispatch*(3)](/radcli_ctx_dispatch/3.md), [*radcli\_ctx\_get\_poll*(3)](/radcli_ctx_get_poll/3.md), [*radcli\_dae\_free*(3)](/radcli_dae_free/3.md), [*radcli\_dae\_new*(3)](/radcli_dae_new/3.md), [*radcli\_dae\_process*(3)](/radcli_dae_process/3.md), [*radcli\_dae\_reply\_error*(3)](/radcli_dae_reply_error/3.md), [*radcli\_dae\_reply\_to\_buffer*(3)](/radcli_dae_reply_to_buffer/3.md), [*radcli\_dae\_req\_attrs*(3)](/radcli_dae_req_attrs/3.md), [*radcli\_dae\_req\_code*(3)](/radcli_dae_req_code/3.md), [*radcli\_dae\_req\_framed\_ip*(3)](/radcli_dae_req_framed_ip/3.md), [*radcli\_dae\_req\_nas\_port*(3)](/radcli_dae_req_nas_port/3.md), [*radcli\_dae\_req\_session\_id*(3)](/radcli_dae_req_session_id/3.md), [*radcli\_dae\_req\_user\_name*(3)](/radcli_dae_req_user_name/3.md), [*radcli\_dae\_request\_free*(3)](/radcli_dae_request_free/3.md), [*radcli\_dae\_set\_handler*(3)](/radcli_dae_set_handler/3.md), [*radcli\_dae\_start*(3)](/radcli_dae_start/3.md)