-I/include options. Not anymore.

Adapted for C++.

Return correct timeval in windows_port.c.
Squelch gcc warnings:
  use 'ares_socket_t' in ares_fds.c.
  Don't cast a 'lvalue' in ares_init.c.

and... yes, they are 46!

Changes for removing libcurl.def file on Win32.
Mark public functions with "CURL_EXTERN".

Changes for removing libcurl.def file on Win32.
Added "CURL_EXTERN" to memdebug.h functions.
Cleaned up Makefile.vc6.

'curl -v writes debugging to its network socket if stderr is closed'

executed" warning by gcc 3.4.0

Change OS name. Fix header guard.

Un-do changes for WinCE; cdecl decoration is not needed.
Confirmed by Paul Nolan.

in the build, since libidn 0.3.X didn't have the header and we don't support
that old libidn versions anyway.

This was mentioned on the list by Jean-Philippe Barrette-LaPierre and in bug
report #1062264.

pkg-config on the build host in order to detect OpenSSL compiler options.

Fixed _write() arguments.