Moved from mailbox/

+Makefile
+Makefile.in

+## Process this file with GNU Automake to create Makefile.in
+
+##   Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+##
+##   GNU Mailutils is free software; you can redistribute it and/or
+##   modify it under the terms of the GNU General Public License as
+##   published by the Free Software Foundation; either version 2, or (at
+##   your option) any later version.
+##
+##   This program is distributed in the hope that it will be useful, but
+##   WITHOUT ANY WARRANTY; without even the implied warranty of
+##   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+##   General Public License for more details.
+##
+##   You should have received a copy of the GNU General Public License
+##   along with this program; if not, write to the Free Software
+##   Foundation, Inc.  51 Franklin Street, Fifth Floor, Boston, MA
+##   02110-1301 USA
+
+noinst_HEADERS = \
+address0.h \
+attribute0.h \
+amd.h \
+auth0.h \
+body0.h \
+debug0.h \
+envelope0.h \
+filter0.h \
+folder0.h \
+header0.h \
+iterator0.h \
+imap0.h \
+list0.h \
+mailbox0.h \
+mailer0.h \
+message0.h \
+mime0.h \
+monitor0.h  \
+observer0.h \
+property0.h \
+registrar0.h \
+stream0.h \
+url0.h

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _ADDRESS0_H
+#define _ADDRESS0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <mailutils/address.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * The data-structure representing an RFC822 MAILBOX. It may be
+ * one MAILBOX or a list of them, as found in an ADDRESS or
+ * a MAILBOX list (as found in a GROUP).
+ *  
+ * Capitalized names are from RFC 822, section 6.1 (Address Syntax).
+ */
+struct _mu_address
+{
+  char *addr;
+  	/* the original string that this list of addresses was created
+	 * from, only present at the head of the list */
+
+  char *comments;
+  	/* the collection of comments stripped during parsing this MAILBOX */
+  char *personal;
+  	/* the PHRASE portion of a MAILBOX, called the DISPLAY-NAME in drums */
+  char *email;
+  	/* the ADDR-SPEC, the LOCAL-PART@DOMAIN */
+  char *local_part;
+  	/* the LOCAL-PART of a MAILBOX */
+  char *domain;
+  	/* the DOMAIN of a MAILBOX */
+  char *route;
+  	/* the optional ROUTE in the ROUTE-ADDR form of MAILBOX */
+
+/*  size_t num; this didn't appear to be used anywhere... so I commented
+ it out, is that ok? -sam */
+
+  struct _mu_address *next;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ADDRESS0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001, 2002, 2003, 
+   2004, 2005 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#define MAX_OPEN_STREAMS 16
+
+/* Notifications ADD_MESG. */
+#define DISPATCH_ADD_MSG(mbox,mhd) \
+do \
+{ \
+  int bailing = 0; \
+  mu_monitor_unlock (mbox->monitor); \
+  if (mbox->observable) \
+     bailing = mu_observable_notify (mbox->observable, MU_EVT_MESSAGE_ADD); \
+  if (bailing != 0) \
+    { \
+      if (pcount) \
+        *pcount = (mhd)->msg_count; \
+      mu_locker_unlock (mbox->locker); \
+      return EINTR; \
+    } \
+  mu_monitor_wrlock (mbox->monitor); \
+} while (0);
+
+struct _amd_data;
+struct _amd_message
+{
+  mu_stream_t stream;          /* Associated file stream */
+  mu_off_t body_start;         /* Offset of body start in the message file */
+  mu_off_t body_end;           /* Offset of body end (size of file, effectively)*/
+
+  int attr_flags;           /* Attribute flags */
+  int deleted;              /* Was the message originally deleted */
+
+  time_t mtime;             /* Time of last modification */
+  size_t header_lines;      /* Number of lines in the header part */
+  size_t body_lines;        /* Number of lines in the body */
+
+  mu_message_t message;        /* Corresponding mu_message_t */
+  struct _amd_data *amd;    /* Back pointer.  */
+};
+
+struct _amd_data
+{
+  size_t msg_size;               /* Size of struct _amd_message */
+  int (*msg_init_delivery) (struct _amd_data *, struct _amd_message *);
+  int (*msg_finish_delivery) (struct _amd_data *, struct _amd_message *);
+  void (*msg_free) (struct _amd_message *);
+  char *(*msg_file_name) (struct _amd_message *, int deleted);
+  int (*scan0)     (mu_mailbox_t mailbox, size_t msgno, size_t *pcount,
+		    int do_notify);
+  int (*msg_cmp) (struct _amd_message *, struct _amd_message *);
+  int (*message_uid) (mu_message_t msg, size_t *puid);
+  size_t (*next_uid) (struct _amd_data *mhd);
+  
+  /* List of messages: */
+  size_t msg_count; /* number of messages in the list */
+  size_t msg_max;   /* maximum message buffer capacity */
+  struct _amd_message **msg_array;
+
+  unsigned long uidvalidity;
+
+  char *name;                    /* Directory name */
+
+  /* Pool of open message streams */
+  struct _amd_message *msg_pool[MAX_OPEN_STREAMS];
+  int pool_first;    /* Index to the first used entry in msg_pool */
+  int pool_last;     /* Index to the first free entry in msg_pool */
+
+  time_t mtime;      /* Time of last modification */
+
+  mu_mailbox_t mailbox; /* Back pointer. */
+};
+
+
+int amd_init_mailbox (mu_mailbox_t mailbox, size_t mhd_size,
+		      struct _amd_data **pmhd);
+int _amd_message_insert (struct _amd_data *mhd, struct _amd_message *msg);
+int amd_message_stream_open (struct _amd_message *mhm);
+void amd_message_stream_close (struct _amd_message *mhm);
+void amd_cleanup (void *arg);
+int amd_url_init (mu_url_t url, const char *scheme);
+struct _amd_message *_amd_get_message (struct _amd_data *amd, size_t msgno);
+int amd_msg_lookup (struct _amd_data *amd, struct _amd_message *msg,
+		    size_t *pret);

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2005  Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _ATTRIBUTE0_H
+# define _ATTRIBUTE0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <mailutils/attribute.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct _mu_attribute
+{
+  void *owner;
+
+  int flags;
+  int user_flags;
+
+  int (*_get_flags)   (mu_attribute_t, int *);
+  int (*_set_flags)   (mu_attribute_t, int);
+  int (*_unset_flags) (mu_attribute_t, int);
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ATTRIBUTE0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001, 2005  Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _AUTH0_H
+#define _AUTH0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <mailutils/auth.h>
+#include <mailutils/list.h>
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct _mu_ticket
+{
+  void *owner;
+  char *challenge;
+  void *data;
+  int  (*_pop)      (mu_ticket_t, mu_url_t, const char *challenge, char **);
+  void (*_destroy)  (mu_ticket_t);
+};
+
+struct _mu_authority
+{
+  void *owner;
+  mu_ticket_t ticket;
+  mu_list_t auth_methods; /* list of int (*_authenticate) (mu_authority_t)s; */
+};
+
+struct _mu_wicket
+{
+  char *filename;
+  int (*_get_ticket) (mu_wicket_t, const char *, const char *, mu_ticket_t *);
+};
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _AUTH0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _BODY0_H
+#define _BODY0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <mailutils/stream.h>
+#include <mailutils/body.h>
+
+#include <stdio.h>
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct _mu_body
+{
+  void *owner;
+  char *filename;
+  mu_stream_t stream;
+  mu_stream_t fstream;
+  int flags;
+
+  int (*_size)  (mu_body_t, size_t*);
+  int (*_lines) (mu_body_t, size_t*);
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BODY0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2005  Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _DEBUG0_H
+#define _DEBUG0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <mailutils/debug.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct _mu_debug
+{
+  size_t level;
+  char *buffer;
+  size_t buflen;
+  void *owner;
+  int (*_print) (mu_debug_t, size_t level, const char *, va_list);
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _DEBUG0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2005  Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _ENVELOPE0_H
+#define _ENVELOPE0_H
+
+#ifdef DMALLOC
+#include <dmalloc.h>
+#endif
+
+#include <mailutils/envelope.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct _mu_envelope
+{
+  void *owner;
+  int (*_destroy) (mu_envelope_t);
+  int (*_sender)    (mu_envelope_t, char *, size_t, size_t*);
+  int (*_date)    (mu_envelope_t, char *, size_t , size_t *);
+};
+
+#endif /* _ENVELOPE0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001, 2005  Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+/* Notes:
+
+ */
+
+#ifndef _FILTER0_H
+#define _FILTER0_H
+
+#include <mailutils/filter.h>
+#include <mailutils/list.h>
+#include <mailutils/monitor.h>
+#include <mailutils/property.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct _mu_filter
+{
+  mu_stream_t stream;
+  mu_stream_t filter_stream;
+  mu_property_t property;
+  int direction;
+  int type;
+  void *data;
+  int  (*_read)     (mu_filter_t, char *, size_t, mu_off_t, size_t *);
+  int  (*_readline) (mu_filter_t, char *, size_t, mu_off_t, size_t *);
+  int  (*_write)    (mu_filter_t, const char *, size_t, mu_off_t, size_t *);
+  void (*_destroy)  (mu_filter_t);
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FILTER0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001, 2005 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _FOLDER0_H
+#define _FOLDER0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <sys/types.h>
+#include <stdio.h>
+
+#include <mailutils/monitor.h>
+#include <mailutils/folder.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct _mu_folder
+{
+  /* Data */
+  mu_authority_t authority;
+  mu_observable_t observable;
+  mu_debug_t debug;
+  mu_stream_t stream;
+  mu_monitor_t monitor;
+  mu_url_t url;
+  int flags;
+  int ref;
+  size_t uid;
+
+  /* Back pointer to the specific mailbox */
+  void *data;
+
+  /* Public methods */
+
+  void (*_destroy)     (mu_folder_t);
+
+  int  (*_open)        (mu_folder_t, int flag);
+  int  (*_close)       (mu_folder_t);
+  int  (*_list)        (mu_folder_t, const char *, const char *,
+			size_t,
+		        mu_list_t);
+  int  (*_lsub)        (mu_folder_t, const char *, const char *,
+		        mu_list_t);
+  int  (*_delete)      (mu_folder_t, const char *);
+  int  (*_rename)      (mu_folder_t, const char *, const char *);
+  int  (*_subscribe)   (mu_folder_t, const char *);
+  int  (*_unsubscribe) (mu_folder_t, const char *);
+};
+
+/* Moro(?)ic kluge.  */
+#define FOLDER_DEBUG0(folder, type, format) \
+if (folder->debug) mu_debug_print (folder->debug, type, format)
+#define FOLDER_DEBUG1(folder, type, format, arg1) \
+if (folder->debug) mu_debug_print (folder->debug, type, format, arg1)
+#define FOLDER_DEBUG2(folder, type, format, arg1, arg2) \
+if (folder->debug) mu_debug_print (folder->debug, type, format, arg1, arg2)
+#define FOLDER_DEBUG3(folder, type, format, arg1, arg2, arg3) \
+if (folder->debug) mu_debug_print (folder->debug, type, format, arg1, arg2, arg3)
+#define FOLDER_DEBUG4(folder, type, format, arg1, arg2, arg3, arg4) \
+if (folder->debug) mu_debug_print (folder->debug, type, format, arg1, arg2, arg3, arg4)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FOLDER0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001, 2005  Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _HEADER0_H
+#define _HEADER0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <mailutils/header.h>
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* The structure members are offset that point to the begin/end of header
+   fields.  */
+struct _hdr
+{
+  char *fn;
+  char *fn_end;
+  char *fv;
+  char *fv_end;
+};
+
+/* The blurb member represents the headers, hdr_count the number of distinct
+   header field and the layout is done by struct_hdr *hdr.  */
+struct _mu_header
+{
+  /* Owner.  */
+  void *owner;
+
+  /* Data.  */
+  mu_stream_t mstream;
+  size_t stream_len;
+  char *blurb;
+  size_t blurb_len;
+  size_t hdr_count;
+  struct _hdr *hdr;
+  size_t fhdr_count;
+  struct _hdr *fhdr;
+  int flags;
+
+  /* Stream.  */
+  mu_stream_t stream;
+  int (*_get_value) (mu_header_t, const char *, char *, size_t , size_t *);
+  int (*_get_fvalue) (mu_header_t, const char *, char *, size_t , size_t *);
+  int (*_set_value) (mu_header_t, const char *, const char *, int);
+  int (*_lines)     (mu_header_t, size_t *);
+  int (*_size)      (mu_header_t, size_t *);
+  int (*_fill)      (mu_header_t, char *, size_t, mu_off_t, size_t *);
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _HEADER0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001, 2005 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _IMAP0_H
+#define _IMAP0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <folder0.h>
+#include <mailbox0.h>
+#include <registrar0.h>
+#include <auth0.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define CLEAR_STATE(f_imap) \
+ f_imap->selected = NULL, f_imap->state = IMAP_NO_STATE
+
+/* Clear the state and close the stream.  */
+#define CHECK_ERROR_CLOSE(folder, f_imap, status) \
+do \
+  { \
+     if (status != 0) \
+       { \
+          mu_stream_close (folder->stream); \
+          CLEAR_STATE (f_imap); \
+          return status; \
+       } \
+  } \
+while (0)
+
+/* Clear the state.  */
+#define CHECK_ERROR(f_imap, status) \
+do \
+  { \
+     if (status != 0) \
+       { \
+          CLEAR_STATE (f_imap); \
+          return status; \
+       } \
+  } \
+while (0)
+
+/* Clear the state for non recoverable error.  */
+#define CHECK_EAGAIN(f_imap, status) \
+do \
+  { \
+    if (status != 0) \
+      { \
+         if (status != EAGAIN && status != EINPROGRESS && status != EINTR) \
+           { \
+             CLEAR_STATE (f_imap); \
+           } \
+         return status; \
+      } \
+   }  \
+while (0)
+
+
+struct _f_imap;
+struct _m_imap;
+struct _msg_imap;
+typedef struct _f_imap *f_imap_t;
+typedef struct _m_imap *m_imap_t;
+typedef struct _msg_imap *msg_imap_t;
+
+enum imap_state
+{
+  IMAP_NO_STATE=0,
+  IMAP_AUTH, IMAP_AUTH_DONE,
+  IMAP_APPEND, IMAP_APPEND_CONT, IMAP_APPEND_SEND, IMAP_APPEND_ACK,
+  IMAP_BODY,
+  IMAP_CLOSE, IMAP_CLOSE_ACK,
+  IMAP_COPY, IMAP_COPY_ACK,
+  IMAP_CREATE, IMAP_CREATE_ACK,
+  IMAP_DELETE, IMAP_DELETE_ACK,
+  IMAP_EXPUNGE, IMAP_EXPUNGE_ACK,
+  IMAP_FETCH, IMAP_FETCH_ACK,
+  IMAP_GREETINGS,
+  IMAP_HEADER,
+  IMAP_HEADER_FIELD,
+  IMAP_LIST, IMAP_LIST_PARSE, IMAP_LIST_ACK,
+  IMAP_LOGIN, IMAP_LOGIN_ACK,
+  IMAP_LOGOUT, IMAP_LOGOUT_ACK,
+  IMAP_LSUB, IMAP_LSUB_ACK,
+  IMAP_MESSAGE,
+  IMAP_NOOP, IMAP_NOOP_ACK,
+  IMAP_OPEN_CONNECTION,
+  IMAP_RENAME, IMAP_RENAME_ACK,
+  IMAP_SCAN, IMAP_SCAN_ACK,
+  IMAP_SELECT, IMAP_SELECT_ACK,
+  IMAP_STORE, IMAP_STORE_ACK,
+  IMAP_SUBSCRIBE, IMAP_SUBSCRIBE_ACK,
+  IMAP_UNSUBSCRIBE, IMAP_UNSUBSCRIBE_ACK
+};
+
+enum imap_auth_state
+{
+  /* ANONYMOUS */
+  IMAP_AUTH_ANON_REQ_WRITE,
+  IMAP_AUTH_ANON_REQ_SEND,
+  IMAP_AUTH_ANON_WAIT_CONT,
+  IMAP_AUTH_ANON_MSG,
+  IMAP_AUTH_ANON_MSG_SEND,
+  IMAP_AUTH_ANON_WAIT_RESP
+};
+
+struct literal_string
+{
+  char *buffer;
+  size_t buflen;
+  size_t total;
+  msg_imap_t msg_imap;
+  enum imap_state type;
+  size_t nleft;  /* nleft to read in the literal. */
+};
+
+struct _f_imap
+{
+  /* Back pointer.  */
+  mu_folder_t folder;
+  m_imap_t selected;
+
+  enum imap_state state;
+
+  size_t seq; /* Sequence number to build a tag.  */
+  char **capav; /* Cabilities of the server.  */
+  int capac;    /* Number of capabilities in the above array */
+  int flags;
+
+  /* IO use to hold the literal and quoted strings send by
+     the IMAP server.  */
+  struct
+  {
+    mu_stream_t stream;
+    mu_off_t offset;
+    size_t nleft;  /* nleft to read in the literal. */
+    msg_imap_t msg_imap;
+    enum imap_state type;
+  } string;
+
+  /* Use for LIST and LSUB.  */
+  mu_list_t flist;
+
+  int isopen;
+
+  /* Server channel buffer I/O  */
+  size_t buflen;
+  char *buffer;
+  char *ptr;
+  char *nl;
+  mu_off_t offset; /* Dummy, this is used because of the stream buffering.
+                   The mu_stream_t maintains and offset and the offset we use must
+                   be in sync.  */
+
+  /* Login  */
+  char *user;
+  char *passwd;
+
+  /* AUTHENTICATE states */
+  enum imap_auth_state auth_state;
+};
+
+struct _m_imap
+{
+  /* Back pointers.  */
+  mu_mailbox_t mailbox;
+  f_imap_t f_imap;
+  size_t messages_count;
+  size_t imessages_count;
+  msg_imap_t *imessages;
+  size_t recent;
+  size_t unseen;
+  unsigned long uidvalidity;
+  size_t uidnext;
+  char *name;
+  enum imap_state state;
+    /* mailbox operations can be sequences of folder operations, and
+       thus need to keep meta-state, mailbox_imap_open(), for example. */
+};
+
+struct _msg_imap
+{
+  /* Back pointers.  */
+  mu_message_t message;
+  m_imap_t m_imap;
+  size_t num;
+  size_t part;
+  size_t num_parts;
+  msg_imap_t *parts;
+  msg_imap_t parent;
+  int flags;
+  size_t uid;
+
+  mu_header_t fheader;
+  char *internal_date;
+
+  size_t mu_message_size;
+  size_t mu_message_lines;
+  size_t body_size;
+  size_t body_lines;
+  size_t header_size;
+  size_t header_lines;
+};
+
+int imap_writeline    (f_imap_t,  const char *format, ...);
+int imap_write        (f_imap_t);
+int imap_send         (f_imap_t);
+int imap_parse        (f_imap_t);
+int imap_readline     (f_imap_t);
+char *section_name    (msg_imap_t);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _IMAP0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2004 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _ITERATOR0_H
+#define _ITERATOR0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <mailutils/iterator.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct _mu_iterator
+{
+  struct _mu_iterator *next_itr; /* Next iterator in the chain */
+  void *owner;                /* Object whose contents is being iterated */
+  int is_advanced;            /* Is the iterator already advanced */
+
+  int (*dup) (void **ptr, void *owner);
+  int (*destroy) (mu_iterator_t itr, void *owner);
+  int (*first) (void *owner);
+  int (*next) (void *owner);
+  int (*getitem) (void *owner, void **pret);
+  int (*curitem_p) (void *owner, void *item);
+  int (*finished_p) (void *owner);
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ITERATOR0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2005 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _LIST0_H
+#define _LIST0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <sys/types.h>
+
+#include <mailutils/list.h>
+#include <mailutils/monitor.h>
+#include <mailutils/iterator.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct list_data
+{
+  void *item;
+  struct list_data *next;
+  struct list_data *prev;
+};
+
+struct _mu_list
+{
+  struct list_data head;
+  size_t count;
+  mu_monitor_t monitor;
+  mu_list_comparator_t comp;
+  void (*destroy_item) (void *item);
+  struct _mu_iterator *itr;
+};
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIST0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001, 2005  Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _MAILBOX0_H
+#define _MAILBOX0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <sys/types.h>
+#include <stdio.h>
+
+#include <mailutils/monitor.h>
+#include <mailutils/mailbox.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct _mu_mailbox
+{
+  /* Data */
+  mu_observable_t observable;
+  mu_debug_t debug;
+  mu_property_t property;
+  mu_locker_t locker;
+  mu_stream_t stream;
+  mu_url_t url;
+  int flags;
+  mu_folder_t folder;
+  mu_monitor_t monitor;
+
+  /* Back pointer to the specific mailbox */
+  void *data;
+
+  /* Public methods */
+
+  void (*_destroy)         (mu_mailbox_t);
+
+  int  (*_open)            (mu_mailbox_t, int);
+  int  (*_close)           (mu_mailbox_t);
+
+  /* messages */
+  int  (*_get_message)     (mu_mailbox_t, size_t, mu_message_t *);
+  int  (*_append_message)  (mu_mailbox_t, mu_message_t);
+  int  (*_messages_count)  (mu_mailbox_t, size_t *);
+  int  (*_messages_recent) (mu_mailbox_t, size_t *);
+  int  (*_message_unseen)  (mu_mailbox_t, size_t *);
+  int  (*_expunge)         (mu_mailbox_t);
+  int  (*_save_attributes) (mu_mailbox_t);
+  int  (*_uidvalidity)     (mu_mailbox_t, unsigned long *);
+  int  (*_uidnext)         (mu_mailbox_t, size_t *);
+  int  (*_get_property)    (mu_mailbox_t, mu_property_t *);
+
+  int  (*_scan)            (mu_mailbox_t, size_t, size_t *);
+  int  (*_is_updated)      (mu_mailbox_t);
+
+  int  (*_get_size)        (mu_mailbox_t, mu_off_t *);
+
+};
+
+#define MAILBOX_NOTIFY(mbox, type) \
+if (mbox->observer) observer_notify (mbox->observer, type)
+
+/* Moro(?)ic kluge.  */
+#define MAILBOX_DEBUG0(mbox, type, format) \
+if (mbox->debug) mu_debug_print (mbox->debug, type, format)
+#define MAILBOX_DEBUG1(mbox, type, format, arg1) \
+if (mbox->debug) mu_debug_print (mbox->debug, type, format, arg1)
+#define MAILBOX_DEBUG2(mbox, type, format, arg1, arg2) \
+if (mbox->debug) mu_debug_print (mbox->debug, type, format, arg1, arg2)
+#define MAILBOX_DEBUG3(mbox, type, format, arg1, arg2, arg3) \
+if (mbox->debug) mu_debug_print (mbox->debug, type, format, arg1, arg2, arg3)
+#define MAILBOX_DEBUG4(mbox, type, format, arg1, arg2, arg3, arg4) \
+if (mbox->debug) mu_debug_print (mbox->debug, type, format, arg1, arg2, arg3, arg4)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MAILBOX0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001, 2005  Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _MAILER0_H
+#define _MAILER0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <sys/types.h>
+#include <mailutils/mailer.h>
+#include <mailutils/monitor.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Default mailer URL. */
+
+#define MAILER_URL_DEFAULT "sendmail:"
+
+#define MAILER_LINE_BUF_SIZE	1000
+
+struct _mu_mailer
+{
+  mu_stream_t stream;
+  mu_observable_t observable;
+  mu_debug_t debug;
+  mu_url_t url;
+  int flags;
+  mu_monitor_t monitor;
+  mu_property_t property;
+
+  /* Pointer to the specific mailer data.  */
+  void *data;
+
+  /* Public methods.  */
+  void (*_destroy)     (mu_mailer_t);
+  int (*_open)         (mu_mailer_t, int flags);
+  int (*_close)        (mu_mailer_t);
+  int (*_send_message) (mu_mailer_t, mu_message_t, mu_address_t, mu_address_t);
+};
+
+#define MAILER_NOTIFY(mailer, type) \
+  if (mailer->observer) observer_notify (mailer->observer, type)
+
+/* Moro(?)ic kluge.  */
+#define MAILER_DEBUGV(mailer, type, format, av) \
+  if (mailer->debug) mu_debug_print (mailer->debug, type, format, av)
+#define MAILER_DEBUG0(mailer, type, format) \
+  if (mailer->debug) mu_debug_print (mailer->debug, type, format)
+#define MAILER_DEBUG1(mailer, type, format, arg1) \
+  if (mailer->debug) mu_debug_print (mailer->debug, type, format, arg1)
+#define MAILER_DEBUG2(mailer, type, format, arg1, arg2) \
+  if (mailer->debug) mu_debug_print (mailer->debug, type, format, arg1, arg2)
+#define MAILER_DEBUG3(mailer, type, format, arg1, arg2, arg3) \
+  if (mailer->debug) mu_debug_print (mailer->debug, type, format, arg1, arg2, arg3)
+#define MAILER_DEBUG4(mailer, type, format, arg1, arg2, arg3, arg4) \
+  if (mailer->debug) mu_debug_print (mailer->debug, type, format, arg1, arg2, arg3, arg4)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MAILER0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001, 2005  Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _MESSAGE0_H
+#define _MESSAGE0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <mailutils/message.h>
+#include <mailutils/mime.h>
+#include <mailutils/monitor.h>
+
+#include <sys/types.h>
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct _mu_message
+{
+  /* Who is the owner.  */
+  void *owner;
+
+  mu_envelope_t envelope;
+  mu_header_t header;
+  mu_body_t body;
+
+  int flags;
+  mu_stream_t stream;
+  mu_attribute_t attribute;
+  mu_monitor_t monitor;
+  mu_mime_t mime;
+  mu_observable_t observable;
+  mu_mailbox_t mailbox;
+
+  /* Reference count.  */
+  int ref;
+
+  /* Holder for message_write. */
+  size_t hdr_buflen;
+  int hdr_done;
+
+  int (*_get_uidl)       (mu_message_t, char *, size_t, size_t *);
+  int (*_get_uid)        (mu_message_t, size_t *);
+  int (*_get_num_parts)  (mu_message_t, size_t *);
+  int (*_get_part)       (mu_message_t, size_t, mu_message_t *);
+  int (*_is_multipart)   (mu_message_t, int *);
+  int (*_lines)          (mu_message_t, size_t *);
+  int (*_size)           (mu_message_t, size_t *);
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MESSAGE0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2005 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _MIME0_H
+#define _MIME0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <sys/types.h>
+#include <mailutils/mime.h>
+
+#ifdef __cplusplus
+extern "C" { 
+#endif
+
+#define MIME_MAX_HDR_LEN           256
+#define MIME_DFLT_BUF_SIZE         2048
+
+/* Parser states */
+#define MIME_STATE_BEGIN_LINE      1
+#define MIME_STATE_SCAN_BOUNDARY   2
+#define MIME_STATE_HEADERS         3
+
+#define MIME_FLAG_MASK             0x0000ffff
+
+/* private */
+#define MIME_PARSER_ACTIVE         0x80000000
+#define MIME_PARSER_HAVE_CR        0x40000000
+#define MIME_NEW_MESSAGE           0x20000000
+#define MIME_ADDED_CT              0x10000000
+#define MIME_ADDED_MULTIPART_CT    0x08000000
+#define MIME_INSERT_BOUNDARY       0x04000000
+#define MIME_ADDING_BOUNDARY       0x02000000
+
+struct _mu_mime
+{
+  mu_message_t       msg;
+  mu_header_t        hdrs;
+  mu_stream_t        stream;
+  int             flags;
+  char           *content_type;
+
+  int             tparts;
+  int             nmtp_parts;
+  struct _mime_part **mtp_parts;      /* list of parts in the msg */
+  char           *boundary;
+  int             cur_offset;
+  int             cur_part;
+  int             part_offset;
+  int             boundary_len;
+  int             preamble;
+  int             postamble;
+  /* parser state */
+  char           *cur_line;
+  int             line_ndx;
+  char           *cur_buf;
+  int             buf_size;
+  char           *header_buf;
+  int             header_buf_size;
+  int             header_length;
+  int             body_offset;
+  int             body_length;
+  int             body_lines;
+  int             parser_state;
+};
+
+struct _mime_part
+{
+  mu_mime_t          mime;
+  mu_message_t       msg;
+  int             body_created;
+  int             offset;
+  size_t          len;
+  size_t          lines;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif                          /* MIME0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _MONITOR0_H
+#define _MONITOR0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <mailutils/monitor.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+/* FIXME: any protos? */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MONITOR0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2005  Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _OBSERVER0_H
+#define _OBSERVER0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <mailutils/observer.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct _mu_observer
+{
+  int flags;
+  void *owner;
+  int (*_action)  (mu_observer_t, size_t);
+  int (*_destroy) (mu_observer_t);
+};
+
+struct _mu_observable
+{
+  void *owner;
+  mu_list_t list;
+};
+
+struct _event
+{
+  size_t type;
+  mu_observer_t observer;
+};
+
+typedef struct _event *event_t;
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _OBSERVER0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _PROPERTY0_H
+#define _PROPERTY0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <mailutils/property.h>
+#include <mailutils/monitor.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct property_item
+{
+  char *key;
+  char *value;
+  int set;
+  struct property_item *next;
+};
+
+struct _mu_property
+{
+  struct property_item *items;
+  void *owner;
+  mu_monitor_t lock;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PROPERTY0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2004, 2005  Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _REGISTRAR0_H
+#define _REGISTRAR0_H
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <mailutils/registrar.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* The pop and imap defines are all wrong now, since they seem intertwined
+   with the old url parsing code. Also, "pop://" is not the POP scheme,
+   at least not as a scheme is described in the RFCs.
+
+   Perhaps they can be changed?
+*/
+#define MU_POP_PORT 110
+#define MU_POP_SCHEME "pop://"
+#define MU_POP_SCHEME_LEN (sizeof (MU_POP_SCHEME) - 1)
+extern int _url_pop_init          (mu_url_t);
+extern int _mailbox_pop_init      (mu_mailbox_t);
+extern int _folder_pop_init       (mu_folder_t);
+
+#define MU_IMAP_PORT 143
+#define MU_IMAP_SCHEME "imap://"
+#define MU_IMAP_SCHEME_LEN (sizeof (MU_IMAP_SCHEME) - 1)
+extern int _url_imap_init         (mu_url_t);
+extern int _mailbox_imap_init     (mu_mailbox_t);
+extern int _folder_imap_init      (mu_folder_t);
+
+#define MU_MBOX_SCHEME "mbox:"
+#define MU_MBOX_SCHEME_LEN (sizeof (MU_MBOX_SCHEME) - 1)
+extern int _url_mbox_init         (mu_url_t);
+extern int _mailbox_mbox_init     (mu_mailbox_t);
+extern int _folder_mbox_init      (mu_folder_t);
+
+#define MU_FILE_SCHEME "file:"
+#define MU_FILE_SCHEME_LEN (sizeof (MU_FILE_SCHEME) - 1)
+
+#define MU_PATH_SCHEME "/"
+#define MU_PATH_SCHEME_LEN (sizeof (MU_PATH_SCHEME) - 1)
+extern int _url_path_init         (mu_url_t);
+extern int _mailbox_path_init     (mu_mailbox_t);
+extern int _folder_path_init      (mu_folder_t);
+
+#define MU_SMTP_SCHEME "smtp://"
+#define MU_SMTP_SCHEME_LEN (sizeof (MU_SMTP_SCHEME) - 1)
+#define MU_SMTP_PORT 25
+extern int _url_smtp_init         (mu_url_t);
+extern int _mailer_smtp_init      (mu_mailer_t);
+
+#define MU_SENDMAIL_SCHEME "sendmail:"
+#define MU_SENDMAIL_SCHEME_LEN (sizeof (MU_SENDMAIL_SCHEME) - 1)
+extern int _url_sendmail_init     (mu_url_t);
+extern int _mailer_sendmail_init  (mu_mailer_t);
+
+#define MU_MH_SCHEME "mh:"
+#define MU_MH_SCHEME_LEN (sizeof (MU_MH_SCHEME) - 1)
+extern int _mailbox_mh_init (mu_mailbox_t mailbox);
+
+#define MU_MAILDIR_SCHEME "maildir:"
+#define MU_MAILDIR_SCHEME_LEN (sizeof (MU_MAILDIR_SCHEME) - 1)
+extern int _mailbox_maildir_init (mu_mailbox_t mailbox);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _REGISTRAR0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001, 2005  Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _STREAM0_H
+#define _STREAM0_H
+
+#include <mailutils/stream.h>
+#ifdef DMALLOC
+#include <dmalloc.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Read buffer */
+struct rbuffer
+{
+  char *base;
+  char *ptr;
+  size_t count;
+  size_t bufsiz;
+  mu_off_t offset;
+};
+
+struct _mu_stream
+{
+  void *owner;
+  mu_property_t property;
+
+  int flags;
+  int state;
+
+  /* Read space */
+  struct rbuffer rbuffer;
+  
+  /* Stream pointer for sequential offset.  */
+  mu_off_t offset;
+  
+  void (*_destroy) (mu_stream_t);
+  int (*_open)     (mu_stream_t);
+  int (*_close)    (mu_stream_t);
+  int (*_get_transport2) (mu_stream_t, mu_transport_t *, mu_transport_t *);
+  int (*_read)     (mu_stream_t, char *, size_t, mu_off_t, size_t *);
+  int (*_readline) (mu_stream_t, char *, size_t, mu_off_t, size_t *);
+  int (*_write)    (mu_stream_t, const char *, size_t, mu_off_t, size_t *);
+  int (*_truncate) (mu_stream_t, mu_off_t);
+  int (*_size)     (mu_stream_t, mu_off_t *);
+  int (*_flush)    (mu_stream_t);
+  int (*_setbufsiz)(mu_stream_t, size_t);
+  int (*_strerror) (mu_stream_t, const char **);
+  int (*_wait)     (mu_stream_t, int *pflags, struct timeval *tvp);
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _STREAM0_H */

+/* GNU Mailutils -- a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2005  Free Software Foundation, Inc.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General
+   Public License along with this library; if not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301 USA */
+
+#ifndef _URL0_H
+#define _URL0_H	1
+
+#ifdef DMALLOC
+#  include <dmalloc.h>
+#endif
+
+#include <mailutils/url.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct _mu_url
+{
+  /* Data */
+  char  *name;
+  char  *scheme;
+  char  *user;
+  char  *passwd;
+  char  *auth;
+  char  *host;
+  long  port;
+  char  *path;
+  char  *query;
+
+
+  void  *data;
+
+  void  (*_destroy)    (mu_url_t url);
+
+  /* Methods */
+  int   (*_get_scheme) (const mu_url_t, char *, size_t, size_t *);
+  int   (*_get_user)   (const mu_url_t, char *, size_t, size_t *);
+  int   (*_get_passwd) (const mu_url_t, char *, size_t, size_t *);
+  int   (*_get_auth)   (const mu_url_t, char *, size_t, size_t *);
+  int   (*_get_host)   (const mu_url_t, char *, size_t, size_t *);
+  int   (*_get_port)   (const mu_url_t, long *);
+  int   (*_get_path)   (const mu_url_t, char *, size_t, size_t *);
+  int   (*_get_query)  (const mu_url_t, char *, size_t, size_t *);
+};
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* URL_H */