HP UX 11i v1 I/O Cards manual For rcode not all of them are applicable to zcntl, Rtyp

			ZCOM C I/F Library Routines
			ZCNTL (3X)
NOTES	1. File /opt/acc/include/zcom/zcomsys.h contains the symbolic names
	for rcode (not all of them are applicable to zcntl):
	/* Message request code values applicable to zcntl() */
	#define ZCOM_MRQCODE_CNTWR	3	/* Terminal write */
	#define ZCOM_MRQCODE_STATUS	5	/* Unsolicited status change */
	#define ZCOM_MRQCODE_TERM	6	/* Set terminal parameters */
	#define ZCOM_MRQCODE_ENB	7	/* Terminal enable */
	#define ZCOM_MRQCODE_DSB	8	/* Terminal disable */
	#define ZCOM_MRQCODE_ACT	9	/* Terminal activate */
	#define ZCOM_MRQCODE_DEA	10 /* Terminal deactivate */

2.The result for a zcntl request is returned in the rstat parameter if mode=8, or may be returned in a response message via zread(3X) if another non-zero mode is specified. Refer to the NOTES section in zsend(3X) for more information on the mode parameter. See zread(3X) for more details on response messages.

3.For rcode=ZCOM_MRQCODE_TERM (Set terminal parameters), the terminal configuration data in ibuf must be set as follows. Refer to /opt/acc/include/zcom/zcomsys.h for these data structures:

For any ACC card except an i960 4-channel ACC card:

Data structure: ztrq_type Must set RTYP bit = 0.

	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0	RTYP	0	Terminal Type						-	-	-	-	-	Port #
2	Group Poll Code								Device Poll Code
4	Group Select Code								Device Select Code
6	Terminal Option Word

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