IBM SC34-6814-04 - Manual (Page 205)

PC_EXIST7 (X'02 ')
Set if the request specifies the SYSID parameter. If set,
PC_ADDR7 is meaningful.
PC_EXIST8 (X'01 ')
Set if the request specifies the TRANSID parameter. If set,
PC_ADDR8 is meaningful.
PC_BITS2
One byte containing one of the following values:
PC_EXIST9 (X'80')
Not used.
PC_EXISTA (X'40')
Set if the request specifies the CHANNEL parameter. If set,
PC_ADDRA is meaningful.
PC_EIDOPT4
Not used by program control.
PC_EIDOPT5
Not used by program control.
PC_EIDOPT6
Indicates whether the request specifies the SYNCONRETURN option. If
it does, X'80' is set.
PC_ADDR1
is the address of an 8-byte area containing the program name from the
PROGRAM parameter.
PC_ADDR2
is the address of the COMMAREA data.
PC_ADDR3
is the address of a 2-byte area containing the length of the COMMAREA, as a
half-word binary value.
PC_ADDR4
is the address of the INPUTMSG data.
PC_ADDR5
is the address of a 2-byte area containing the length of the INPUTMSG, as a
half-word binary value.
PC_ADDR6
is the address of a 2-byte area containing the length specified on the
DATALENGTH parameter, defining how much data is to be sent from the
COMMAREA. The length is held as a half-word binary value.
PC_ADDR7
is the address of the 4-byte name of the remote system the LINK request is to
be shipped to, as specified on the SYSID parameter.
PC_ADDR8
is the address of the 4-byte name of the mirror transaction to be attached in the
remote system, as specified on the TRANSID parameter.
PC_ADDR9
is not used.
Chapter 1. Global user exit programs 183