struct instead to use.

Use DNS__32BIT() and DNS__16BIT()  (How about BE machines?).
Display T_AAAA resource.

client certificates! (http://curl.haxx.se/bug/view.cgi?id=1348930).

in files that actually need the struct.

step counter by adding :[num] within the brackets when specifying a range.

  range increasing the number with 10 for every step. Requested by Jose:
  http://curl.haxx.se/feedback/display.cgi?id=11315662266802

since IPv6 support is required.

Added -D'efines'.

<ws2tcpip.h> since IPv6 is no longer optional (was it ever?)

Replace <winsock.h> with <winsock2.h> + <ws2tcpip.h>
(ala libcurl since IPv6 is not optional now).

we really have no use for reverse lookups of the address.

I truly hope these are the last reverse lookups we had lingering in the
code!