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  file. Validating requested address family. Ensuring that failures always
  return a NULL pointer. Adjusting header inclusions.

* October 6, 2009 (Yang Tse)
- Fix ssize_t redefinition errors on WIN64 reported by Alexey Simak.

* September 29, 2009 (Yang Tse)
- Make configure script also check if _REENTRANT definition is required to
  make errno available as a preprocessor macro.

* September 7, 2009 (Yang Tse)
- Add T_SRV portability check to ares_parse_srv_reply.c

* 4 Sep 2009 (Daniel Stenberg)
- Jakub Hrozek added ares_parse_srv_reply() for SRV parsing

* 3 Aug 2009 (Daniel Stenberg)
- Joshua Kwan fixed the init routine to fill in the defaults for stuff that
  fails to get inited by other means. This fixes a case of when the c-ares
  init fails when internet access is fone.

- Timo Teras changed the reason code used in the resolve callback done when
  ares_cancel() is used, to be ARES_ECANCELLED instead of ARES_ETIMEOUT to
  better allow the callback to know what's happening.

* 14 Jul 2009 (Guenter Knauf)
- renamed generated config.h to ares_config.h to avoid any future clashes
  with config.h from other projects.

* June 20 2009 (Yang Tse)
- Refactor how libraries are checked for connect() function in configure
  script and check for connect() as it is done for other functions.

* June 19 2009 (Yang Tse)
- Make sclose() function-like macro definition used to close a socket,
  now solely based on HAVE_CLOSESOCKET and HAVE_CLOSESOCKET_CAMEL
  config file preprocessor definitions

* June 18 2009 (Yang Tse)
- Add CloseSocket camel case function check for configure script.

* June 17 2009 (Yang Tse)
- Check for socket() and closesocket() as it is done for other functions
  in configure script.

* June 11 2009 (Yang Tse)
- Modified buildconf so that when automake runs it copies missing files
  instead of symlinking them.

* June 8 2009 (Yang Tse)
- Removed buildconf.bat from release and daily snapshot archives. This
  file is only for CVS tree checkout builds.

* May 26 2009 (Yang Tse)
- Added --enable-curldebug configure option to enable and disable building
  with the low-level curl debug memory tracking 'feature' to allow decoupled
  setting from --enable-debug, allowing again to build c-ares independently
  out of the CVS tree.

  For the c-ares library option --enable-debug enables debug build features
  which are _not_ related with memory tracking. For the c-ares library when
  --enable-debug is given it does not enable the memory tracking feature. If
  you wish to enable the curl debug memory tracking you must use configure
  option --enable-curldebug explicitily to do so.

  Internally, definition of preprocessor symbol DEBUGBUILD restricts code
  which is only compiled for debug enabled builds. And symbol CURLDEBUG is
  used to differentiate code which is _only_ used for memory tracking.

  Make ares_init(), ares_dup() and ares_init_options() fail returning
  ARES_ENOTINITIALIZED if library initialization has not been performed
  calling ares_library_init().

* May 20 2009 (Yang Tse)
- Added ares_library_init() and ares_library_cleanup() man pages.

* May 19 2009 (Yang Tse)
- Introduced ares_library_init() and ares_library_cleanup() functions.

  This is an API and ABI break for Win32/64 systems. Non-Win32/64 build targets
  using c-ares 1.7.0 can still survive without calling these functions. Read all
  the details on ares_library_init(3) and ares_library_cleanup(3) man pages that
  are included.

  curl/libcurl 7.19.5 is fully compatible with c-ares 1.7.0 on all systems.

  In order to use c-ares 1.7.0 with curl/libcurl on Win32/64 systems it is
  required that curl/libcurl is 7.19.5 or newer. In other words, it is not
  possible on Win32/64 to use c-ares 1.7.0 with a curl/libcurl version less
  than 7.19.5

* May 11 2009 (Daniel Stenberg)
- Gregor Jasny made c-ares link with libtool 's -export-symbols-regex option to
  only expose functions starting with ares_.

* May 7 2009 (Yang Tse)
- Fix an m4 overquoting triggering a spurious 'AS_TR_CPP' symbol definition
  attempt in generated config.h

* May 2 2009 (Yang Tse)
- Use a build-time configured ares_socklen_t data type instead of socklen_t.

* April 21 2009 (Yang Tse)
- Moved potential inclusion of system's malloc.h and memory.h header files to
  setup_once.h.  Inclusion of each header file is based on the definition of
  NEED_MALLOC_H and NEED_MEMORY_H respectively.

* March 11 2009 (Yang Tse)
- Japheth Cleaver fixed acountry.c replacing u_long with unsigned long.

* February 20 2009 (Yang Tse)
- Do not halt compilation when using VS2008 to build a Windows 2000 target.

* February 3 2009 (Phil Blundell)
- If the server returns garbage or nothing at all in response to an AAAA query,
  go on and ask for A records anyway.

* January 31 2009 (Daniel Stenberg)
- ares_gethostbyname() now accepts 'AF_UNSPEC' as a family for resolving
  either AF_INET6 or AF_INET. It works by accepting any of the looksups in the
  hosts file, and it resolves the AAAA field with a fallback to A.