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

1 files changed, 0 insertions, 169 deletions

diff --git a/lib/curl_gopher.c b/lib/curl_gopher.c
deleted file mode 100644
index 80fc18e8e..000000000
--- a/lib/curl_gopher.c
+++ /dev/null
@@ -1,169 +0,0 @@
-/***************************************************************************
- *                                  _   _ ____  _
- *  Project                     ___| | | |  _ \| |
- *                             / __| | | | |_) | |
- *                            | (__| |_| |  _ <| |___
- *                             \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
-
-#include "curl_setup.h"
-
-#ifndef CURL_DISABLE_GOPHER
-
-#include "curl_urldata.h"
-#include <curl/curl.h>
-#include "curl_transfer.h"
-#include "curl_sendf.h"
-
-#include "curl_progress.h"
-#include "curl_strequal.h"
-#include "curl_gopher.h"
-#include "curl_rawstr.h"
-#include "curl_select.h"
-#include "curl_url.h"
-#include "curl_warnless.h"
-
-#define _MPRINTF_REPLACE /* use our functions only */
-#include <curl/mprintf.h>
-
-#include "curl_memory.h"
-/* The last #include file should be: */
-#include "curl_memdebug.h"
-
-/*
- * Forward declarations.
- */
-
-static CURLcode gopher_do(struct connectdata *conn, bool *done);
-
-/*
- * Gopher protocol handler.
- * This is also a nice simple template to build off for simple
- * connect-command-download protocols.
- */
-
-const struct Curl_handler Curl_handler_gopher = {
-  "GOPHER",                             /* scheme */
-  ZERO_NULL,                            /* setup_connection */
-  gopher_do,                            /* do_it */
-  ZERO_NULL,                            /* done */
-  ZERO_NULL,                            /* do_more */
-  ZERO_NULL,                            /* connect_it */
-  ZERO_NULL,                            /* connecting */
-  ZERO_NULL,                            /* doing */
-  ZERO_NULL,                            /* proto_getsock */
-  ZERO_NULL,                            /* doing_getsock */
-  ZERO_NULL,                            /* domore_getsock */
-  ZERO_NULL,                            /* perform_getsock */
-  ZERO_NULL,                            /* disconnect */
-  ZERO_NULL,                            /* readwrite */
-  PORT_GOPHER,                          /* defport */
-  CURLPROTO_GOPHER,                     /* protocol */
-  PROTOPT_NONE                          /* flags */
-};
-
-static CURLcode gopher_do(struct connectdata *conn, bool *done)
-{
-  CURLcode result=CURLE_OK;
-  struct SessionHandle *data=conn->data;
-  curl_socket_t sockfd = conn->sock[FIRSTSOCKET];
-
-  curl_off_t *bytecount = &data->req.bytecount;
-  char *path = data->state.path;
-  char *sel;
-  char *sel_org = NULL;
-  ssize_t amount, k;
-
-  *done = TRUE; /* unconditionally */
-
-  /* Create selector. Degenerate cases: / and /1 => convert to "" */
-  if(strlen(path) <= 2)
-    sel = (char *)"";
-  else {
-    char *newp;
-    size_t j, i;
-    int len;
-
-    /* Otherwise, drop / and the first character (i.e., item type) ... */
-    newp = path;
-    newp+=2;
-
-    /* ... then turn ? into TAB for search servers, Veronica, etc. ... */
-    j = strlen(newp);
-    for(i=0; i<j; i++)
-      if(newp[i] == '?')
-        newp[i] = '\x09';
-
-    /* ... and finally unescape */
-    sel = curl_easy_unescape(data, newp, 0, &len);
-    if(!sel)
-      return CURLE_OUT_OF_MEMORY;
-    sel_org = sel;
-  }
-
-  /* We use Curl_write instead of Curl_sendf to make sure the entire buffer is
-     sent, which could be sizeable with long selectors. */
-  k = curlx_uztosz(strlen(sel));
-
-  for(;;) {
-    result = Curl_write(conn, sockfd, sel, k, &amount);
-    if(CURLE_OK == result) { /* Which may not have written it all! */
-      result = Curl_client_write(conn, CLIENTWRITE_HEADER, sel, amount);
-      if(result) {
-        Curl_safefree(sel_org);
-        return result;
-      }
-      k -= amount;
-      sel += amount;
-      if(k < 1)
-        break; /* but it did write it all */
-    }
-    else {
-      failf(data, "Failed sending Gopher request");
-      Curl_safefree(sel_org);
-      return result;
-    }
-    /* Don't busyloop. The entire loop thing is a work-around as it causes a
-       BLOCKING behavior which is a NO-NO. This function should rather be
-       split up in a do and a doing piece where the pieces that aren't
-       possible to send now will be sent in the doing function repeatedly
-       until the entire request is sent.
-
-       Wait a while for the socket to be writable. Note that this doesn't
-       acknowledge the timeout.
-    */
-    Curl_socket_ready(CURL_SOCKET_BAD, sockfd, 100);
-  }
-
-  Curl_safefree(sel_org);
-
-  /* We can use Curl_sendf to send the terminal \r\n relatively safely and
-     save allocing another string/doing another _write loop. */
-  result = Curl_sendf(sockfd, conn, "\r\n");
-  if(result != CURLE_OK) {
-    failf(data, "Failed sending Gopher request");
-    return result;
-  }
-  result = Curl_client_write(conn, CLIENTWRITE_HEADER, (char *)"\r\n", 2);
-  if(result)
-    return result;
-
-  Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, bytecount,
-                      -1, NULL); /* no upload */
-  return CURLE_OK;
-}
-#endif /*CURL_DISABLE_GOPHER*/