(isc_write_error_cb): Removed the cb_mcb and user arguments.
(isc_stale_output_cb): Ditto.
(isc_set_read_callback): Removed the user argument.  Use the udg
	field of the isc_scb instead.

(isc_getraddress): Removed.

	that is shorter than the stale timeout.

(isc_set_read_callback): New argument: idle_cb.
(isc_set_acceptable_idle): New function.

(isc_initialize): New argument: the write_change_cb.

(isc_cfg_stale_timeout): New function.
(isc_set_read_callback): New argument: stale_output_cb.

(isc_session_cfg): Ditto.
(isc_scb_entry): Ditto.
(struct isc_scb): Moved a lot of fields to struct isc_scb_internal
	in intern.h.
(struct isc_mcb): Moved to intern.h.
(isc_getoopsource): New function.

(isc_addresssize): Ditto.

(isc_addressfamily): New function.
(isc_addresssize): New function.
(isc_addresspointer): New function.

standard of lyskomd is to never include files from included files.
(SOCKADDR_STORAGE): Moved to isc_addr.h.
(union sockaddrs): Ditto.
(union isc_address): Ditto, but keep a forward declaration.

use the real names instead:
    IscSessionConfig  => struct isc_session_cfg
    IscAddress        => union  isc_address
    IscMessage        => struct isc_msg
    IscMsgQE          => struct isc_msg_q_entry
    IscMsgQueue       => struct isc_msgqueue
    IscSession        => struct isc_scb
    IscSessionList    => struct isc_scb_entry
    IscMaster         => struct isc_mcb
(IscMasterConfig): Define and struct removed.
(IscConfig): Ditto.
(IscHandlerCache): Ditto
(IscHandler): Ditto.
(IscHandlerList): Ditto.
(IscEvent): Ditto.
(IscEventType): Define and enum removed.
(IscSessionType): Ditto.
(IscSessionInfo): Define and union removed.
(IscSessionStats): Ditto.
(enum isc_session_state): Removed the states ISC_STATE_UNKNOWN,
	ISC_STATE_CONNECTING and ISC_STATE_CLOSING2.
(union isc_address): Don't wrap the saddr field inside a
	meaningless struct named ip.
(isc_initialize): Removed the cfg argument, and added the
	oop_source argument.
(struct isc_scb): Removed the following fields: type, isc_errno,
	rd_msg_q, info, logintime, idlesince, stats and handlers.
	Added the following fields: raddr, laddr, master, accept_cb,
	write_err_cb, data_available_callback, data_available_user,
	data_available_registered and write_cb_registered.
(struct isc_mcb): The scfg field is now a pointer, so that we
	don't have to expose the struct isc_session_cfg struct in isc.h.
	Added the event_source field.
(isc_listentcp): Added the cb argument.
(isc_openfd): Function removed.
(isc_openfile): Ditto.
(isc_openudp): Ditto.
(isc_close): Ditto.
(isc_sessions): Ditto.
(isc_getnextevent): Ditto.
(isc_wait): Ditto.
(isc_dispose): Ditto.
(isc_send): Ditto.
(isc_sendto): Ditto.
(isc_reallocmsg): Ditto.
(isc_copymsg): Ditto.
(isc_mkstrmsg): Ditto.
(isc_createudp): Ditto.
(isc_bindudp): Ditto.
(isc_connecttcp): Ditto.
(isc_connectudp): Ditto.
(isc_listenudp): Ditto.
(isc_copyaddress): Ditto.
(isc_getservice): Ditto.
(isc_newhandler): Ditto.
(isc_freehandler): Ditto.
(isc_copyhandler): Ditto.
(isc_pushhandler): Ditto.
(isc_pophandler): Ditto.
(ISC_HCALLFUN1): Macro removed.
(ISC_HCALLFUN2): Ditto.
(ISC_HCALLFUN3): Ditto.
(enum isc_read_result): New enum.
(isc_read_data): New function.
(isc_cfg_fd_relocate): Ditto.
(isc_set_read_callback): Ditto.
(isc_accept_callback): New callback function.
(isc_write_error_cb): Ditto
Moved some constants to intern.h:
(ISC_DEFAULT_MAX_MSG_SIZE): Moved.
(ISC_DEFAULT_MAX_QUEUED_SIZE): Moved.
(ISC_DEFAULT_MAX_DEQUEUE_LEN): Moved.
(ISC_DEFAULT_MAX_OPEN_RETRIES): Moved.
(ISC_DEFAULT_MAX_BACKLOG): Moved.
Moved some structs to intern.h:
(struct isc_msg): Was: IscMessage.
(struct isc_msg_q_entry): Was: IscMsgQE.
(struct isc_msgqueue): Was: IscMsgQueue.
(struct isc_session_cfg): Was: IscSessionConfig.
(struct isc_scb_entry): Was: IscSessionList.
Moved some functions to intern.h:
(isc_freemsg): Moved.
(isc_create): Moved.
(isc_insert): Moved.
(isc_remove): Moved.
(isc_createtcp): Moved.
(isc_bindtcp): Moved.
(isc_allocmsg): Moved.
Moved some functions from intern.h:
(isc_setallocfn): Moved.

Include <sys/socket.h> and <netinet/in.h>.
(SOCKADDR_STORAGE): Define it to struct sockaddr_storage or struct
	sockaddr, depending on HAVE_STRUCT_SOCKADDR_STORAGE.
(union sockaddrs): New union.
(IscAddress): Use union sockaddrs instead of struct sockaddr.

	cases and never used.

(isc_putul): New function.

(ISC_HCALLFUN1): Adapted to IscHandlerList changes.
(ISC_HCALLFUN2): Adapted to IscHandlerList changes.
(ISC_HCALLFUN3): Adapted to IscHandlerList changes.

format string if HAVE_ATTRIBUTE_FORMAT_PRINTF is set.

HAVE_STDARG_H.

which included commits to RCS files with non-trunk default branches.