HP Advanced Communications Controllers (ACC) manual Zinfo

		ZCOM C I/F Library Routines
		ZINFO (3X)
PARAMETERS
zap	ZCOM address pointer. The node field is used to indicate from which node
	to retrieve the information. The uses of zlu and zcs depend on the specified
	mode.
mode	Type of information to return:
	ZcZLU_TBL	(0) - ZLU Descriptor information
	ZcLTT_TBL	(1) - Logical Terminal Table information
	ZcPTT_TBL	(2) - Physical Terminal Table information
	ZcHDR_TBL	(3) - Header information (zlu and zcs are not used)
	ZcIFT_TBL	(4) - Interface Table (zlu is the interface number, zcs
		is not used)
	ZcNODE_BYNU	(5) - Node entry (zlu is the required node number, zcs
	M	is not used)
	ZcNODE_BYIDX	(6) - Node entry (zlu is the index within the node
		table, ranging
		from 0 to maximum-1, zcs is not used)
	Bit 15 - When this bit (ZCOM_ZINFO_NAVL) is set, zinfo will return the
	configured ZLU, Logical and Physical terminal information for
	non-available terminals. A non-available terminal ZLU would normally
	result in a “Terminal is not available” error (ZENAVL[-74]). This bit has
	no effect for modes ZcHDR_TBL, ZcIFT_TBL, ZcNODE_BYNUM or
	ZcNODE_BYIDX.
ibuf	Buffer for return data. The full description of the layout of the return
(Return	buffer is contained in the Chapter 3, Tables and Data Structures section.
Param)
len	Maximum number of bytes to be returned in ibuf. If the specified length is
	smaller than the requested table size, a truncated section of the table is
	returned. If the specified length is larger, only the size of the requested
	table is returned.

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