Reference Guide

ZCOM Tables and Data Structures
ZCOM Header Structure
Chapter 3 43
HNCARD Number of interface tables uns.short 2
HNRESP Number of response records uns.short 2
HNLTQL Number of LTT queue labels uns.short 2
HNLTSL Number of LTT storage labels uns.short 2
HPNTBL Pointer to 1st Node table entry pointer 8
HPZLU Pointer to 1st Zlu table pointer 8
HPTTBL Pointer to 1st Logical terminal table pointer 8
HPPTBL Pointer to 1st Physical terminal table pointer 8
HPIFTP Pointer to 1st Interface table pointer
HPRESP Pointer to 1st response record pointer 8
HPQUES Pointer to 1st Queue header pointer 8
HPBFFR Pointer to data buffer pool pointer 8
HPQLIM Default program queue limit (msgs) uns.int 4
HUNACK Default terminal unack limit (bytes) uns.int 4
HMAXTX Default pending TX limit (messages) uns.int 4
HIPLIM Default IFT port TX limit (msgs) uns.int 4
HCTOTAL Total number of DSC requests uns.int 4
HCSTATE DSC state
If positive, it is the number of active DSC
requests. If negative, DSC feature is
suspended.
short 2
HCSWAIT Number of DSC state waiters uns.short 2
HRDATAQ Remote data queue header zqhd_type 56
Table 3-1 ZCOM Header Structure (Continued)
Field Name Field Description Field Type
Size
(Bytes)