* @brief Structure for @Replaces header. */struct sip_replaces_s{  sip_common_t        rp_common[1];   /**< Common fragment info */  sip_error_t        *rp_next;	      /**< Link to next (dummy) */  char const         *rp_call_id;     /**< @CallID of dialog to replace */  msg_param_t const  *rp_params;      /**< List of parameters */  char const         *rp_to_tag;      /**< Value of "to-tag" parameter */  char const         *rp_from_tag;    /**< Value of "from-tag" parameter */  unsigned            rp_early_only;  /**< early-only parameter */};/**@ingroup sip_retry_after * @brief Structure for @RetryAfter header. */struct sip_retry_after_s {  sip_common_t        af_common[1]; /**< Common fragment info */  sip_error_t        *af_next;	    /**< Link to next (dummy) */  sip_time_t          af_delta;	    /**< Seconds to before retry */  char const         *af_comment;   /**< Comment string */  msg_param_t const  *af_params;    /**< List of parameters */  char const         *af_duration;  /**< Value of "duration" parameter */};/**@ingroup sip_request_disposition * @brief Structure for @RequestDisposition header. */struct sip_request_disposition_s{  sip_common_t        rd_common[1]; /**< Common fragment info */  sip_error_t        *rd_next;	    /**< Link to next (dummy) */  msg_param_t        *rd_items;     /**< List of directives */};/**@ingroup sip_caller_preferences * @brief Structure for @AcceptContact and @RejectContact header fields. */struct sip_caller_prefs_s{  sip_common_t        cp_common[1];   /**< Common fragment info */  sip_caller_prefs_t *cp_next;	      /**< Link to next (dummy) */  msg_param_t const  *cp_params;      /**< List of parameters */  char const         *cp_q;           /**< @Priority */  unsigned            cp_require :1;  /**< Value of "require" parameter */  unsigned            cp_explicit :1; /**< Value of "explicit" parameter */};/**@ingroup sip_reason * @brief Structure for @Reason header field. */struct sip_reason_s{  sip_common_t        re_common[1]; /**< Common fragment info */  sip_reason_t       *re_next;	    /**< Link to next */  char const         *re_protocol;  /**< Protocol */  msg_param_t const  *re_params;    /**< List of reason parameters */  char const         *re_cause;	    /**< Value of cause parameter */  char const         *re_text;	    /**< Value of text parameter */};/**@ingroup sip_route * @brief Structure for @Route and @RecordRoute header fields. */struct sip_route_s{  sip_common_t        r_common[1];  /**< Common fragment info */  sip_route_t        *r_next;	    /**< Link to next */  char const         *r_display;    /**< Display name */  url_t               r_url[1];	    /**< @Route URL */  msg_param_t const  *r_params;	    /**< List of route parameters */};/**@ingroup sip_rseq  * @brief Structure for @RSeq header. */struct sip_rseq_s{  sip_common_t        rs_common[1];	/**< Common fragment info */  sip_error_t        *rs_next;		/**< Dummy link to next */  unsigned long       rs_response;	/**< Sequence number of response */};/**@ingroup sip_session_expires  * @brief Structure for @SessionExpires header. */struct sip_session_expires_s{  sip_common_t        x_common[1];	/**< Common fragment info */  sip_error_t        *x_next;		/**< Dummy link to next */  unsigned long       x_delta;		/**< Delta-seconds */  msg_param_t const  *x_params;		/**< List of parameters */  char const         *x_refresher;	/**< Value of "refresher"					 * parameter: UAS or UAC */};/**@ingroup sip_min_se  * @brief Structure for @MinSE header. */struct sip_min_se_s{  sip_common_t        min_common[1];	/**< Common fragment info */  sip_error_t        *min_next;		/**< Dummy link to next */  unsigned long       min_delta;	/**< Delta-seconds */  msg_param_t const  *min_params;	/**< List of extension parameters */};/**@ingroup sip_subscription_state  * @brief Structure for @SubscriptionState header. */struct sip_subscription_state_s{  sip_common_t        ss_common[1];   /**< Common fragment info */  sip_error_t        *ss_next;	      /**< Dummy link to next */  /** Subscription state: "pending", "active" or "terminated" */  char const         *ss_substate;   msg_param_t const  *ss_params;      /**< List of parameters */  char const         *ss_reason;      /**< Reason for termination  */  char const         *ss_expires;     /**< Subscription lifetime */  char const         *ss_retry_after; /**< Value of retry-after parameter */};/**@ingroup sip_timestamp * @brief Structure for @Timestamp header. */struct sip_timestamp_s {  sip_common_t        ts_common[1]; /**< Common fragment info */  sip_error_t        *ts_next;	    /**< Dummy link to next */  char const         *ts_stamp;	    /**< Original timestamp */  char const         *ts_delay;	    /**< Delay at UAS */};/**@ingroup sip_via * @brief Structure for @Via header field. */struct sip_via_s{  sip_common_t        v_common[1];  /**< Common fragment info */  sip_via_t          *v_next;	    /**< Link to next @Via header */  char const         *v_protocol;   /**< Application and transport protocol */  char const         *v_host;	    /**< Hostname */  char const         *v_port;	    /**< Port number */  msg_param_t const  *v_params;	    /**< List of via-params */  char const         *v_comment;    /**< Comment */  char const         *v_ttl;	    /**< Value of "ttl" parameter */  char const         *v_maddr;	    /**< Value of "maddr" parameter */  char const         *v_received;   /**< Value of "received" parameter*/  char const         *v_branch;	    /**< Value of "branch" parameter */  char const         *v_rport;	    /**< Value of "rport" parameter */  char const         *v_comp;	    /**< Value of "comp" parameter */};/**@ingroup sip_security_client * @brief Structure for @SecurityClient, @SecurityServer, and * @SecurityVerify headers. */struct sip_security_agree_s{  sip_common_t        sa_common[1]; /**< Common fragment info */  struct sip_security_agree_s                      *sa_next;	    /**< Link to next mechanism */  char const         *sa_mec;	    /**< Security mechanism */  msg_param_t const  *sa_params;    /**< List of mechanism parameters */  char const         *sa_q;	    /**< Value of q (preference) parameter */  char const         *sa_d_alg;	    /**< Value of d-alg parameter */  char const         *sa_d_qop;	    /**< Value of d-qop parameter */  char const         *sa_d_ver;	    /**< Value of d-ver parameter */};/**@ingroup sip_privacy * @brief Structure for @Privacy header. */struct sip_privacy_s{  sip_common_t       priv_common[1];/**< Common fragment info */  sip_error_t       *priv_next;	    /**< Dummy link */  msg_param_t const *priv_values;   /**< @Privacy values */};/* union representing any SIP header * these are arrays of size 1 for easy casting */union sip_header_u{  sip_common_t               sh_common[1];   struct  {    sip_common_t             shn_common;    sip_header_t            *shn_next;  }                          sh_header_next[1];#define sh_next              sh_header_next->shn_next#define sh_class sh_common->h_class#define sh_succ  sh_common->h_succ#define sh_prev  sh_common->h_prev#define sh_data  sh_common->h_data#define sh_len   sh_common->h_len  sip_addr_t                 sh_addr[1];  sip_auth_t                 sh_auth[1];  sip_generic_t              sh_generic[1];  sip_request_t              sh_request[1];  sip_status_t               sh_status[1];  sip_error_t                sh_error[1];  sip_via_t                  sh_via[1];  sip_route_t                sh_route[1];  sip_record_route_t         sh_record_route[1];  sip_max_forwards_t         sh_max_forwards[1];  sip_from_t                 sh_from[1];  sip_to_t                   sh_to[1];  sip_contact_t              sh_contact[1];  sip_call_id_t              sh_call_id[1];  sip_cseq_t                 sh_cseq[1];  sip_rseq_t                 sh_rseq[1];  sip_rack_t                 sh_rack[1];                               sip_subject_t              sh_subject[1];  sip_priority_t             sh_priority[1];  sip_date_t                 sh_date[1];  sip_retry_after_t          sh_retry_after[1];  sip_timestamp_t            sh_timestamp[1];  sip_expires_t              sh_expires[1];  sip_min_expires_t          sh_min_expires[1];  sip_call_info_t            sh_call_info[1];  sip_organization_t         sh_organization[1];  sip_server_t               sh_server[1];  sip_user_agent_t           sh_user_agent[1];  sip_in_reply_to_t          sh_in_reply_to[1];  sip_accept_t               sh_accept[1];  sip_accept_encoding_t      sh_accept_encoding[1];  sip_accept_language_t      sh_accept_language[1];                               sip_allow_t                sh_allow[1];  sip_require_t              sh_require[1];  sip_proxy_require_t        sh_proxy_require[1];  sip_supported_t            sh_supported[1];  sip_unsupported_t          sh_unsupported[1];  sip_event_t                sh_event[1];  sip_allow_events_t         sh_allow_events[1];  sip_subscription_state_t   sh_subscription_state[1];  sip_proxy_authenticate_t   sh_proxy_authenticate[1];  sip_proxy_authentication_info_t sh_proxy_authentication_info[1];  sip_proxy_authorization_t  sh_proxy_authorization[1];                                sip_authorization_t        sh_authorization[1];  sip_www_authenticate_t     sh_www_authenticate[1];  sip_authentication_info_t  sh_authentication_info[1];  sip_error_info_t           sh_error_info[1];  sip_warning_t              sh_warning[1];  sip_refer_to_t             sh_refer_to[1];  sip_referred_by_t          sh_referred_by[1];  sip_replaces_t             sh_replaces[1];  /* Caller-Preferences */  sip_caller_prefs_t         sh_caller_prefs[1];  sip_request_disposition_t  sh_request_disposition[1];  sip_accept_contact_t       sh_accept_contact[1];  sip_reject_contact_t       sh_reject_contact[1];     sip_session_expires_t      sh_session_expires[1];  sip_min_se_t               sh_min_se[1];  sip_path_t                 sh_path[1];  sip_service_route_t        sh_service_route[1];  sip_reason_t               sh_reason[1];  sip_security_client_t      sh_security_client[1];  sip_security_server_t      sh_security_server[1];  sip_security_verify_t      sh_security_verify[1];  sip_privacy_t              sh_privacy[1];  sip_etag_t                 sh_etag[1];  sip_if_match_t             sh_if_match[1];      /* Entity headers */  sip_mime_version_t         sh_mime_version[1];  sip_content_type_t         sh_content_type[1];  sip_content_encoding_t     sh_content_encoding[1];  sip_content_language_t     sh_content_language[1];  sip_content_length_t       sh_content_length[1];  sip_content_disposition_t  sh_content_disposition[1];  sip_unknown_t              sh_unknown[1];  sip_separator_t            sh_separator[1];  sip_payload_t              sh_payload[1];};SOFIA_END_DECLS#endif /* !defined(SIP_H) */