A client-ID structure that describes
the application that issued the call.
DOMAIN
This is a fullword binary number specifying the domain of the
client. On input this is an optional parameter for AF_INET, and required
parameter for AF_INET6 to specify the domain of the client. For TCP/IP
the value is a decimal 2, indicating AF_INET, or a decimal 19, indicating
AF_INET6. On output, this is the returned domain of the client.
NAME
An 8-byte character field set to the caller’s address space name.
TASK
An 8-byte field set to the task identifier of the caller.
RESERVED
Specifies 20-byte character reserved field. This field is required,
but not used.
ERRNO
A fullword binary field. If RETCODE
is negative, the field contains an error number. See Socket call error return codes for information about ERRNO return
codes.
RETCODE
A fullword binary field that returns
one of the following values: