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, 103 insertions, 0 deletions

diff --git a/lib/cookie.h b/lib/cookie.h
new file mode 100644
index 000000000..5997e4680
--- /dev/null
+++ b/lib/cookie.h
@@ -0,0 +1,103 @@
+#ifndef HEADER_CURL_COOKIE_H
+#define HEADER_CURL_COOKIE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, 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 "setup.h"
+
+#include <curl/curl.h>
+
+struct Cookie {
+  struct Cookie *next; /* next in the chain */
+  char *name;        /* <this> = value */
+  char *value;       /* name = <this> */
+  char *path;         /* path = <this> */
+  char *domain;      /* domain = <this> */
+  curl_off_t expires;  /* expires = <this> */
+  char *expirestr;   /* the plain text version */
+  bool tailmatch;    /* weather we do tail-matchning of the domain name */
+
+  /* RFC 2109 keywords. Version=1 means 2109-compliant cookie sending */
+  char *version;     /* Version = <value> */
+  char *maxage;      /* Max-Age = <value> */
+
+  bool secure;       /* whether the 'secure' keyword was used */
+  bool livecookie;   /* updated from a server, not a stored file */
+  bool httponly;     /* true if the httponly directive is present */
+};
+
+struct CookieInfo {
+  /* linked list of cookies we know of */
+  struct Cookie *cookies;
+
+  char *filename;  /* file we read from/write to */
+  bool running;    /* state info, for cookie adding information */
+  long numcookies; /* number of cookies in the "jar" */
+  bool newsession; /* new session, discard session cookies on load */
+};
+
+/* This is the maximum line length we accept for a cookie line. RFC 2109
+   section 6.3 says:
+
+   "at least 4096 bytes per cookie (as measured by the size of the characters
+   that comprise the cookie non-terminal in the syntax description of the
+   Set-Cookie header)"
+
+*/
+#define MAX_COOKIE_LINE 5000
+#define MAX_COOKIE_LINE_TXT "4999"
+
+/* This is the maximum length of a cookie name we deal with: */
+#define MAX_NAME 1024
+#define MAX_NAME_TXT "1023"
+
+struct SessionHandle;
+/*
+ * Add a cookie to the internal list of cookies. The domain and path arguments
+ * are only used if the header boolean is TRUE.
+ */
+
+struct Cookie *Curl_cookie_add(struct SessionHandle *data,
+                               struct CookieInfo *, bool header, char *lineptr,
+                               const char *domain, const char *path);
+
+struct Cookie *Curl_cookie_getlist(struct CookieInfo *, const char *,
+                                   const char *, bool);
+void Curl_cookie_freelist(struct Cookie *cookies, bool cookiestoo);
+void Curl_cookie_clearall(struct CookieInfo *cookies);
+void Curl_cookie_clearsess(struct CookieInfo *cookies);
+
+#if defined(CURL_DISABLE_HTTP) || defined(CURL_DISABLE_COOKIES)
+#define Curl_cookie_list(x) NULL
+#define Curl_cookie_loadfiles(x) Curl_nop_stmt
+#define Curl_cookie_init(x,y,z,w) NULL
+#define Curl_cookie_cleanup(x) Curl_nop_stmt
+#define Curl_flush_cookies(x,y) Curl_nop_stmt
+#else
+void Curl_flush_cookies(struct SessionHandle *data, int cleanup);
+void Curl_cookie_cleanup(struct CookieInfo *);
+struct CookieInfo *Curl_cookie_init(struct SessionHandle *data,
+                                    const char *, struct CookieInfo *, bool);
+struct curl_slist *Curl_cookie_list(struct SessionHandle *data);
+void Curl_cookie_loadfiles(struct SessionHandle *data);
+#endif
+
+#endif /* HEADER_CURL_COOKIE_H */