	add dns_zone_callbackarg structure. 	add dns_zone_getorigin() declaration. 	update dns_zone_getdb() declaration. 	add dns_zone_notify() declaration. 	add dns_zone_replacedb() declaration.
	add dns_zone_callbackarg structure.
	add dns_zone_getorigin() declaration.
	update dns_zone_getdb() declaration.
	add dns_zone_notify() declaration.
	add dns_zone_replacedb() declaration.

pecharmin/bind9,each/bind9-collab,pecharmin/bind9,each/bind9-collab,each/bind9-collab,pecharmin/bind9,pecharmin/bind9,pecharmin/bind9,each/bind9-collab,each/bind9-collab,each/bind9-collab,pecharmin/bind9