The host name extension function extends the host name length and the host name storage area length that can be specified in the arguments of C functions.

The following table shows the host name lengths that can be specified in the arguments of C functions.

Table 2-9 Host name lengths that can be specified in the arguments of C functions

Function	Argument	Multiple hosts specifiable	Specifiable host name length
			Not extended	Extended
dc_clt_cltin_s	target_host	Yes	63 characters (255 characters)#	255 characters (1023 characters)#
dc_clt_set_raphost_s	raphost
DCRPC_DIRECT_SCHEDULE	hostnm	No	63 characters	255 characters
dc_clt_cancel_notification_s	hostname
dc_clt_send_s	hostname

Legend:

Yes: Multiple hosts can be specified.

No: Multiple hosts cannot be specified.

#

A number in parentheses indicates the maximum number of characters that can be specified in an argument (includes a port number and separators).

The following table shows the host name storage area length that can be specified in the arguments of C functions.

Table 2-10 Host name storage area lengths that can be specified in the arguments of C functions

Function	Argument	Number of hosts to be stored	Host name storage area length
			Not extended (bytes)	Extended (bytes)
dc_clt_get_raphost_s	raphost	Multiple	256 or more	1024 or more
dc_clt_cltin_s	set_host	1	64 or more	256 or more
dc_clt_accept_notification_s	hostname
dc_clt_chained_accept_notification_s	hostname

Note

For the above arguments, you must prepare an area equal to or greater than the specification shown above. If the length of the area you prepare is smaller than the specification, the CUP may terminate abnormally.