1/* pop.h: Header file for the "pop.c" client POP3 protocol.
2   Copyright (C) 1991, 1993, 2001, 2002, 2003, 2004,
3                 2005, 2006, 2007  Free Software Foundation, Inc.
4   Written by Jonathan Kamens, jik@security.ov.com.
5
6This file is part of GNU Emacs.
7
8GNU Emacs is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2, or (at your option)
11any later version.
12
13GNU Emacs is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with GNU Emacs; see the file COPYING.  If not, write to
20the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21Boston, MA 02110-1301, USA.  */
22
23#include <stdio.h>
24
25#define GETLINE_MIN 1024	/* the getline buffer starts out this */
26				/* size */
27#define GETLINE_INCR 1024	/* the getline buffer is grown by this */
28				/* size when it needs to grow */
29
30extern char pop_error[];
31extern int pop_debug;
32
33struct _popserver
34{
35  int file, data;
36  char *buffer;
37  int buffer_size, buffer_index;
38  int in_multi;
39  int trash_started;
40};
41
42typedef struct _popserver *popserver;
43
44/*
45 * Valid flags for the pop_open function.
46 */
47
48#define POP_NO_KERBEROS	(1<<0)
49#define POP_NO_HESIOD	(1<<1)
50#define POP_NO_GETPASS 	(1<<2)
51
52#ifdef __STDC__
53#define _ARGS(a) a
54#else
55#define _ARGS(a) ()
56#endif
57
58extern popserver pop_open _ARGS((char *host, char *username, char *password,
59				 int flags));
60extern int pop_stat _ARGS((popserver server, int *count, int *size));
61extern int pop_list _ARGS((popserver server, int message, int **IDs,
62			   int **size));
63extern int pop_retrieve _ARGS((popserver server, int message, int markfrom,
64			       char **));
65extern int pop_retrieve_first _ARGS((popserver server, int message,
66				     char **response));
67extern int pop_retrieve_next _ARGS((popserver server, char **line));
68extern int pop_retrieve_flush _ARGS((popserver server));
69extern int pop_top_first _ARGS((popserver server, int message, int lines,
70				char **response));
71extern int pop_top_next _ARGS((popserver server, char **line));
72extern int pop_top_flush _ARGS((popserver server));
73extern int pop_multi_first _ARGS((popserver server, char *command,
74				  char **response));
75extern int pop_multi_next _ARGS((popserver server, char **line));
76extern int pop_multi_flush _ARGS((popserver server));
77extern int pop_delete _ARGS((popserver server, int message));
78extern int pop_noop _ARGS((popserver server));
79extern int pop_last _ARGS((popserver server));
80extern int pop_reset _ARGS((popserver server));
81extern int pop_quit _ARGS((popserver server));
82extern void pop_close _ARGS((popserver));
83
84#undef _ARGS
85
86/* arch-tag: 76cc5f58-8e86-48fa-bc72-a7c6cb1c4f1c
87   (do not change this comment) */
88