Rewrote stubs.

Try to autodetect KDE version using kde-config.

- Fixed parser to handle C/C++ comments in strings.
- Report if C++ comments are used.

previously allocated.

portability functions in there.

different from the header name.

Fixed a few winapi_check issues.

into an infinite loop or causing it to crash.

for ssize_t.
Removed a couple of no longer used portability functions.
Various portability fixes in port.h.

Rizsanyi Zsolt).

Provide more accurate status codes than STATUS_UNSUCCESSFUL.

WSAGetOverlappedResult().
Fixed shutdown() to work correctly for overlapped sockets (do not
actually do a shutdown() system call as long as there are pending
overlapped requests).
Also added correct error reporting when trying to read or write on a
shut down connection, also for ReadFile()/WriteFile() calls.

error.