not have a copyright header.

	to text number 0.

	was wrong.

CMOD_C_ATTRIBUTE_UNUSED.

(CMOD_C_WORKING_ATTRIBUTE_UNUSED): New defun.

	allocated by getipnodebyname().

	allocated by getipnodebyname().

getipnodebyname.

problems to various versions of AIX, HP-UX and Solaris.

	defined.  Test USE_GETIPNODEBYNAME instead of
	HAVE_GETIPNODEBYNAME to determine if it should be used.  Don't
	access AF_INET6 unless USE_INET6 is true.

	defined.  Test USE_GETIPNODEBYNAME instead of
	HAVE_GETIPNODEBYNAME to determine if it should be used.

AI_ADDRCONFIG are defined.  AIX 4.2 lacks AI_ADDRCONFIG.

(Bug 563).

by ceder.  Some minor coding standard changes by ceder.  Three minor
problems noted by FIXME comments by ceder.)

(isc_udp_write_fn): Handle IPv6.
(isc_mkudpaddress): New argument: address_family.  All callers
	updated.  Handle IPv6.  Broadcast addresses are not supported.
(isc_createudp): Handle IPv6.  The first argument of socket()
	should be PF_INET for IPv4, not AF_INET.
(isc_bindudp): Handle IPv6.
(isc_connectudp): Handle IPv6.

	updated.  Handle IPv6.
(isc_createtcp): Handle IPv6.  The first argument of socket()
	should be PF_INET for IPv4, not AF_INET.
(isc_bindtcp): Handle IPv6.
(isc_connecttcp): Handle IPv6.

(isc_mkipaddress): Changed struct sockaddr to SOCKADDR_STORAGE.
(isc_getladdress): Ditto.  Cast argument of getsockname from
	SOCKADDR_STORAGE* to struct sockaddr*.
(isc_getraddress): Ditto (but for getpeername instead of getsockname).
(isc_getipnum): Handle IPv6.
(isc_gethostname): Ditto.
(isc_getportnum): Ditto.
(isc_getservice): Use isc_getportnum to simplify code.

Include <sys/socket.h> and <netinet/in.h>.
(SOCKADDR_STORAGE): Define it to struct sockaddr_storage or struct
	sockaddr, depending on HAVE_STRUCT_SOCKADDR_STORAGE.
(union sockaddrs): New union.
(IscAddress): Use union sockaddrs instead of struct sockaddr.

(CHOOSE_IP4OR6): New macro.
(FOR_EACH_AF): New macro.
(FOR_EACH_PF): New macro.
(STORE_ADDR): New macro.

getipnodebyname, gethostbyname2, and struct sockaddr_storage.

Removed redundant dbck runs from the test suite.

Update documentation.

read_range_list.