BugFix: Copy/Paste mistake referenced undefined variable on platforms without gettimeofday()

- A belated happy holidays and PHP 5

Detect and enable IPv6 support under win32.
The ws2tcpip.h header links to IPv6 functions dynamically
and the generated binary will run on win98 and later.

Export these so that ftp extension can be build as shared ext.

Removed unused variables.

Add stream_socket_sendto and stream_socket_recvfrom which work very much
like sendto() and recvfrom() syscalls.

emalloc -> safe_emalloc

Initialize this variable to 0 as suggested by sara

Merge getaddrinfo() tidy-up from PHP_4_3 branch.

updating license information in the headers.

emalloc -> safe_emalloc

fix warnings - one left

Reverted my previous commit

Fixed build

Tidy up stupid signed/unsigned issues with win32 by introducing a php_socket_t typedef.

New user-space functions:
. stream_socket_client() - similar to fsockopen(), but more powerful.
. stream_socket_server() - Creates a server socket.
. stream_socket_accept() - Accept

New user-space functions:
. stream_socket_client() - similar to fsockopen(), but more powerful.
. stream_socket_server() - Creates a server socket.
. stream_socket_accept() - Accept a client connection.
. stream_socket_get_name() - Get local or remote name of socket.

Tidy up some leaks and debug printfs.
Move more streams functions into streamsfuncs.c and streamsfuncs.h.

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compiler warning fixed.

Fixup build for win32

Another big commit (tm).

Main Changes:
- Implement a socket transport layer for use by all code that needs to open
some kind of "special" socket for network or IPC.
- Extension

Another big commit (tm).

Main Changes:
- Implement a socket transport layer for use by all code that needs to open
some kind of "special" socket for network or IPC.
- Extensions can register (and override) transports.
- Implement ftruncate() on streams via the ioctl-alike option interface.
- Implement mmap() on streams via the ioctl-alike option interface.
- Implement generic crypto API via the ioctl-alike option interface.
(currently only supports OpenSSL, but could support other SSL toolkits,
and other crypto transport protocols).

Impact:
- tcp sockets can be overloaded by the openssl capable sockets at runtime,
removing the link-time requirement for ssl:// and https:// sockets and
streams.
- checking stream types using PHP_STREAM_IS_SOCKET is deprecated, since
there are now a range of possible socket-type streams.

Working towards:
- socket servers using the new transport layer
- mmap support under win32
- Cleaner code.

# I will be updating the win32 build to add the new files shortly
# after this commit.

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Add comment about thread-safety of gethostbyname on win32.
Set the correct path to the win32 config.h file in the .dsp file.

ws fixes + missing $Id$ tags, headers added

Win32 build improvements

A add much more useful select(2) implementation than is provided by
windows sockets. The winsock implementation will only work with sockets;
our implementation works with sockets and file de

A add much more useful select(2) implementation than is provided by
windows sockets. The winsock implementation will only work with sockets;
our implementation works with sockets and file descriptors.
By association, stream_select() will now operate correctly with files, pipes and sockets.

This change required linking against the winsock2 library. In terms of
compatibility, only older versions of windows 95 do not have winsock2
installed by default. It is available as a redistributable file, and is most likely installed by any OS patches (eg: Internet Explorer) applied by the user.

Also, add a win32 compatible pipe test when opening a stream from a pipe. This test will only work on NT, win2k and XP platforms. Without this test, interleaved fread() and select() calls would cause the read buffer to be clobbered. I will be working on a fix for this issue for win9x.

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Potential fixes for #21809 and #22099.

Bump year.