Added lots of #ifdef HAVE_*_H wrappers.
Added some #defines in config.h.win32
Check for more headers in configure.in
Added prototype for inet_aton() in inet_v6defs.h.
Changed "BYTE" token (i.e., #define) in ascend-gramamr.y because it
conflicts with a windows definition. Use HEXBYTE instead.
svn path=/trunk/; revision=1448
OSes that don't have it.
(Yes, this is BSD code, not GPLed code. I tried getting it from Glibc,
but the glibc version is just the BSD version, so I guess it's OK to mix
BSD code in with GPLed code, or, at least, with LGPLed code....)
svn path=/trunk/; revision=805