Revert changes relative to lib/*.[ch] recent renaming

This reverts renaming and usage of lib/*.h header files done
28-12-2012, reverting 2 commits:

f871de0... build: make use

Revert changes relative to lib/*.[ch] recent renaming

This reverts renaming and usage of lib/*.h header files done
28-12-2012, reverting 2 commits:

f871de0... build: make use of 76 lib/*.h renamed files
ffd8e12... build: rename 76 lib/*.h files

This also reverts removal of redundant include guard (redundant thanks
to changes in above commits) done 2-12-2013, reverting 1 commit:

c087374... curl_setup.h: remove redundant include guard

This also reverts renaming and usage of lib/*.c source files done
3-12-2013, reverting 3 commits:

13606bb... build: make use of 93 lib/*.c renamed files
5b6e792... build: rename 93 lib/*.c files
7d83dff... build: commit 13606bbfde follow-up 1

Start of related discussion thread:

http://curl.haxx.se/mail/lib-2013-01/0012.html

Asking for confirmation on pushing this revertion commit:

http://curl.haxx.se/mail/lib-2013-01/0048.html

Confirmation summary:

http://curl.haxx.se/mail/lib-2013-01/0079.html

NOTICE: The list of 2 files that have been modified by other
intermixed commits, while renamed, and also by at least one
of the 6 commits this one reverts follows below. These 2 files
will exhibit a hole in history unless git's '--follow' option
is used when viewing logs.

lib/curl_imap.h
lib/curl_smtp.h

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build: make use of 76 lib/*.h renamed files

76 private header files renamed to use our standard naming scheme.

This change affects 322 files in libcurl's source tree.

lib/*.h: use our standard naming scheme for header inclusion guards

WSAPoll: disabled on all windows builds

Due to WSAPoll bugs, libcurl does not work as intended. When the cURL
library is used to setup a connection to an incorrect port, normally the

WSAPoll: disabled on all windows builds

Due to WSAPoll bugs, libcurl does not work as intended. When the cURL
library is used to setup a connection to an incorrect port, normally the
result is CURLE_COULDNT_CONNECT, /* 7 */, but due to the bug in WSAPoll,
the result now is CURLE_OPERATION_TIMEDOUT, /* 28 - the timeout time was
reached */.

On August 1, Jan Koen Annot opened a case for this to Microsoft Premier
Online (https://premier.microsoft.com/). The support engineer handling
the case wrote that the case description is quite clear. He will try to
reproduce the issue and then proceed with troubleshooting it.

Reported by: Jan Koen Annot
Bug: http://curl.haxx.se/mail/lib-2012-07/0310.html

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sockets: new Curl_socket_check() can wait for 3 sockets

This offers an alternative to the existing Curl_socket_ready() API which
only checks one socket for read and one for write.

curl_multi_fdset: avoid FD_SET out of bounds

If a socket is larger than FD_SETSIZE, avoid using FD_SET() on the
platforms where this is possible.

Bug: http://curl.haxx.se/bug/vi

curl_multi_fdset: avoid FD_SET out of bounds

If a socket is larger than FD_SETSIZE, avoid using FD_SET() on the
platforms where this is possible.

Bug: http://curl.haxx.se/bug/view.cgi?id=3413274
Reported by: Tim Starling

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Give the NTLM SSO helper a moment to cleanly shut down if needed

Curl_socket_ready: make timeout a 'long'

It was mostly typecasted to int all over the code so switching to long
instead all over should be a net gain.

remove the CVSish $Id$ lines

Peter Lamberg filed bug report #2015126: "poll gives WSAEINVAL when POLLPRI
is set in fdset.events" (http://curl.haxx.se/bug/view.cgi?id=2015126) which
exactly pinpointed the problem only tri

Peter Lamberg filed bug report #2015126: "poll gives WSAEINVAL when POLLPRI
is set in fdset.events" (http://curl.haxx.se/bug/view.cgi?id=2015126) which
exactly pinpointed the problem only triggered on Windows Vista, provided
reference to docs and also a fix. There is much work behind Peter Lamberg's
excellent bug report. Thank You!

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check availability of poll.h header at configuration time, and include
it when sys/poll.h is unavailable

Some versions of winsock2.h have pollfd struct and constants

Make our own definitions of the POLL* defiens and the pollfd struct only get
done if the sys/poll.h file is missing, as we have seen machines with poll()
present but without the header file a

Make our own definitions of the POLL* defiens and the pollfd struct only get
done if the sys/poll.h file is missing, as we have seen machines with poll()
present but without the header file and machines that don't get HAVE_POLL
defined but that do have the sys/poll.h header file...

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When transferring 500 downloads in parallel with a c-ares enabled build only
to find that it crashed miserably, and this was due to some select()isms left
in the code. This was due to API res

When transferring 500 downloads in parallel with a c-ares enabled build only
to find that it crashed miserably, and this was due to some select()isms left
in the code. This was due to API restrictions in c-ares 1.3.x, but with the
upcoming c-ares 1.4.0 this is no longer the case so now libcurl runs much
better with c-ares and the multi interface with > 1024 file descriptors in
use.

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- Robert Iakobashvil added curl_multi_socket_action() to libcurl, which is a
function that deprecates the curl_multi_socket() function. Using the new
function the application tell libcurl

- Robert Iakobashvil added curl_multi_socket_action() to libcurl, which is a
function that deprecates the curl_multi_socket() function. Using the new
function the application tell libcurl what action that was found in the
socket that it passes in. This gives a significant performance boost as it
allows libcurl to avoid a call to poll()/select() for every call to
curl_multi_socket*().

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New Internal wrapper function Curl_select() around select (2), it
uses poll() when a fine poll() is available, so now libcurl can be
built without select() support at all if a fine poll() is

New Internal wrapper function Curl_select() around select (2), it
uses poll() when a fine poll() is available, so now libcurl can be
built without select() support at all if a fine poll() is available.

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Internal function Curl_select() renamed to Curl_socket_ready()

Code refactoring, extracting a new function wait_ms() from Curl_select and
Curl_poll() which is called whenever not a single valid file descriptor is
passed to these functions.

Impro

Code refactoring, extracting a new function wait_ms() from Curl_select and
Curl_poll() which is called whenever not a single valid file descriptor is
passed to these functions.

Improve readibility using a poll() macro to replace WSApoll().

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reverted the pselect patch => http://curl.haxx.se/mail/lib-2007-03/0100.html

- Bryan Henderson introduces two things:
1) the progress callback gets called more frequently (at times)
2) libcurl *might* call the callback when it receives a signal

Cory Nelson made libcurl use the WSAPoll() function if built for Windows
Vista (_WIN32_WINNT >= 0x0600)

First commit of David McCreedy's EBCDIC and TPF changes.

Suppress signed vs. unsigned warnings on Win32

Curl_select() now uses curl_socket_t on socket arguments

David Phillips' FD_SETSIZE fix