The Communication Area KB

The communication area (KB) consists of the KB header, the KB return area and the KB program area of the generated length.

Byte		Field names (COBOL and C++) and contents
dec.	hexadec.
0-7	00-07	KCBENID kcuserid	UTM login name
8-15	08-0F	KCTACVG kccv_tac	TAC used to start this conversation.
16-17	10-11	KCTAGVG: kccv_day	day	Date of the start of conversation
18-19	12-13	KCMONVG kccv_mon	month
20-21	14-15	KCJHRVG kccv_year	year
22-24	16-18	KCTJHVG kccv_doy	working day
25-26	19-1A	KCSTDVG kccv_hour	hour	Time of the start of conversation
27-28	1B-1C	KCMINVG kccv_minute	minute
29-30	1D-1E	KCSEKVG kccv_second	second
31	1F	KCKNZVG kccv_status	conversation ID (see appendix or possible entries)
32-39	20-27	KCTACAL kcpr_tac	TAC used to address the program
40-41	28-29	KCTACAL kcpr_hour	hour	Time of the program start
42-43	2A-2B	KCMINAL kcpr_minute	minute
44-45	2C-2D	KCSEKAL kcpr_second	second
46	2E	KCAUSWEIS kccard	card ID: A (ID card in reader) or blanks.
47	2F	KCTAIND kctaind	transaction ID: F (first) or N (follow-up transaction)
48-55	30-37	KCLOGTER kclogter	name of the LTERM partner (sender)
56-57	38-39	KCTERMN kctermn	type of terminal or printer, see table for PTERM statement
58-59	3A-3B	KCLKBPB kclpa	maximum length of the KB program area as generated
60-61	3C-3D	KCHSTA: kchsta	number of stacked services from the point of view of the current service.
62	3E	KCDSTA kcdsta	change in the number of stacked services
63	3F		empty
64	40	KCPRIND kcprind	Program ID. "A" = program unit run in an asynchronous service "D" = program unit run in a synchronous service
65	41	KCOF1 kcof1	Permitted OSI-TP functions "B" = basic functions "H" = basic functions + handshake functions "C" = basic and commit functions with chained transactions "O" = other combination blank if service was not started via OSI-TP
66	42	KCCP kccp	UTM client protocol "0" = asynchronous service "1" = LU6.1 "2" = OSI TP "3" = UPIC "4" =DTP "5" = APPLI "6" = SOCKET (USP) "7" = HTTP "8" = SOCKET (USP) SECURE "9" = HTTPS
67	43	KCTARB kctarb	TA is marked for rollback.
68-71	44-47	KCYEARVG kccv_year	4-digit year specification for the start of the service
72-83	48-53		empty (FILLER)
84-115	54-73	KCRFELD	KB return area
84-85	54-55	KCRDF kcrdf	return area for screen functions
		KCRWVG kcrwvg	number of waiting services in the case of DGET
86-87	56-57	KCRLM kcrlm	return actual length of the message
		INFO CK call		MGET call	SIGN ON call
88	58	KCRINFCC/ kcrinfcc: KDCS return code of checked KDCS call		KCVGST/ kcpcv_state: service status	KCRSIGN1/kcrsign1: primary code
89	59			KCTAST/ kcpta_state: transaction status	KCRSIGN2: secondary code
90-91	5A-5B			empty
92-94	5C-5E	KCRCCC kcrccc	KCDS return code
95	5F	KCRCKZ kcrcid	identifiers: P (production application), T (test application)
96-99	60-63	KCRCDC kcrcdc	internal return code
100- 107	64-6B	KCRMF kcrfn	return of the format identifier or the abstract syntax
108- 115	6C-73	KCRPI kcrpi	KCRPI: service ID return
		KCRUS kcrus	KCRUS: user ID in the case of SIGN ST or creator of message with DGET
		KCRQN kcrqn	KCRQN: name assigned by openUTM to the temporary queue in the case of QCRE NN
116- ...	74- ...	KB program area

KDCS communication area