doesn't use.

which included commits to RCS files with non-trunk default branches.

which included commits to RCS files with non-trunk default branches.

(isc_putul): New function.

	ISC_EVENT_LOGIN if a file descriptor relocation failed.

	it fails, so don't re-close it here.  isc_createtcp will also
	set the fd attribute of the session; don't set it again.
(isc_createtcp): Relocate the fd.  Be careful to always close it
	if an error occurs.

	1002.  Handle fd_relocate.

(isc_destroy): Use scb->handlers->current instead of scb->fun.

	"current" of IscHandlerList objects points to the IscHandler
	object where the callbacks that should be used exist.  Once
	that changes was done, there is no need for the "scb->fun"
	member, so it was removed.
(isc_pophandler): Adjusted accordingly.

	IscHandlerList changes.
(ISC_SCALLFUN2): Analogous.
(ISC_SCALLFUN3): Analogous.

(ISC_HCALLFUN1): Adapted to IscHandlerList changes.
(ISC_HCALLFUN2): Adapted to IscHandlerList changes.
(ISC_HCALLFUN3): Adapted to IscHandlerList changes.

that is disabled.

(isc_write): Likewise.

	ISC_STATE_DISABLED.
(isc_oflush): Likewise.

	ISC_STATE_DISABLED.