-/**
- * Sends an already built message on a connection, properly registering
- * all used resources.
- *
- * @param message Message to send.
- * @param payload_type Type of payload, in case the message is encrypted.
- * 0 for restransmissions (when type is no longer known)
- * UINT16_MAX when not applicable.
- * @param payload_id ID of the payload (PID, ACK, ...).
- * @param c Connection on which this message is transmitted.
- * @param fwd Is this a fwd message?
- * @param force Force the connection to accept the message (buffer overfill).
- * @param cont Continuation called once message is sent. Can be NULL.
- * @param cont_cls Closure for @c cont.
- *
- * @return Handle to cancel the message before it's sent.
- * NULL on error.
- * Invalid on @c cont call.
- */
-struct CadetConnectionQueue *
-GCC_send_prebuilt_message (const struct GNUNET_MessageHeader *message,
- uint16_t payload_type,
- struct CadetEncryptedMessageIdentifier payload_id,
- struct CadetConnection *c, int fwd, int force,
- GCC_sent cont, void *cont_cls);