Alexander Krasnostavsky's FTP third party transfer (proxy) support

curl_global_init_mem() allows the memory functions to be replaced.
memory.h is included everywhere for this.

curl_slist_append() fixed to clear up properly if a memory function fails

ERR_error_string() returns an unsigned long so we should use one of those
for the return code

Fix the "lingering close" problem when re-using a connection, as test case
160 shows.

We got no data and we attempted to re-use a connection. This might happen if
the connection was

Fix the "lingering close" problem when re-using a connection, as test case
160 shows.

We got no data and we attempted to re-use a connection. This might happen if
the connection was left alive when we were done using it before, but that was
closed when we wanted to read from it again. Bad luck. Retry the same request
on a fresh connect!

Deleted the sockerror variable again, it serves no purpose anymore.

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Minor edit to avoid an unreachable break and to remove the extra {} body
within the switch.

Use curl_socket_t instead of int for holding sockets. The typedefs and
defines are in setup.h.

Commented the Curl_read() arguments.

Clear up int/long/size_t/ssize_t usage a bit

clear the sockerror if no error was returned

Somewhat crude attempt at fixing the test 91 failures. I commit this now
so that the automatic testing hosts will test these changes over the weekend.

Dan Fandrich's cleanup patch to make pedantic compiler options cause less
warnings. Minor edits by me.

updated year in the copyright string

use the HAVE_KRB4 define instead of just KRB4

FTPS support added as RFC2228 and the murray-ftp-auth-ssl draft describe it

James Bursa's fix to prevent failf() to write outside its buffer boundary

better error output on SSL errors when receiving data - Georg Horn patch

Gisle Vanem's IPv6-on-Windows patch applied!

the new cookie functions that require 'data' passed in

use CURLDEBUG instead of MALLOCDEBUG for preprocessor conditions

Just moved around some logic in Curl_write() to make it easier to debug.

Kevin Delafield reported another case where we didn't correctly check for
EAGAIN but only EWOULDBLOCK, which caused badness on HPUX. We also check for
and act the same on EINTR errors as we

Kevin Delafield reported another case where we didn't correctly check for
EAGAIN but only EWOULDBLOCK, which caused badness on HPUX. We also check for
and act the same on EINTR errors as well now.

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Use the proper Curl_ourerrno() function instead of plain errno, for better
portability. Also use Andy Cedilnik's compiler warning fixes.

the default debugfunction shows incoming headers as well

syntax error