When the exit gets control, the address of the following parameter list is in register 1:
Dec Size Description Input Assign/Unassign Inact/ACT
Offset (Bytes) or Inact (ACB fail) Command
Output
Value if Value if
not set not set
0 8 LU name Both Blanks Always present
8 1 Flag Bytes
'80'x - 1 Client is a printer Input Always present Always 0
0 Client is a terminal
'40'x - 1 No additional retry Input Always present Always 0
0 retry will be allowed
'20'x - 1 IP Address is in IPv6 Input Always present Always 0
format
0 IP Address is in IPv4 format
'10'x - 1 USS/SCS/Int tables Input Always present Always 0
assigned by exit ignored for
this connection
0 USS/SCS/Int tables assigned
by exit will be used
9 1 Parameter list Version level Input Always set Always set
10 1 Available byte Both Always 0 Always 0
11 1 Available byte Both Always 0 Always 0
12 16 Client IP address in hex Input Always set Always 0
28 4 Client Port Input Always set Always 0
32 16 Destination IP address in hex Input Always set Always 0
48 4 Destination Port Input Always set Always 0
52 16 Linkname Input Blanks Always Blanks
68 8 Userid from Client Certificate Input Blanks Always Blanks
76 4 Ptr to hostname structure Input 0 Always 0
80 8 Application netid Input Blanks Always Blanks
88 8 Application name Input Blanks Always Blanks
96 8 Userid from solicitor panel Input Blanks Always Blanks
104 4 Ptr to LUGroup structure Input 0 0
108 8 USS table name - 3270 format Both Blanks Always Blanks
116 8 USS table name - SCS format Both Blanks Always Blanks
124 8 Interpret table name Both Blanks Always Blanks
132 16 Reserved Both Blanks Always Blanks
Hostname structure
0 1 Total length of Hostname Input 0
1 255 Client hostname Input
LuGroup structure
0 4 Number of single LU names Input
4 n List of all single LU names,
each 8 characters
(n=8*number of LUs) Input 0
n+4 4 Number of LU range structures Input 0
n+8 m List of all LU range structures,
each 24 characters (low/high/variant)
(m=24*number of structures) Input