lib-src/pop.h

   1 /* pop.h: Header file for the "pop.c" client POP3 protocol.
   2    Copyright (C) 1991, 1993, 2001-2017 Free Software Foundation, Inc.
   3
   4 Author:  Jonathan Kamens <jik@security.ov.com>
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is free software: you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation, either version 3 of the License, or (at
  11 your option) any later version.
  12
  13 GNU Emacs is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21
  22 #include <stdio.h>
  23
  24 #define GETLINE_MIN 1024        /* the getline buffer starts out this */
  25                                 /* size */
  26 #define GETLINE_INCR 1024       /* the getline buffer is grown by this */
  27                                 /* size when it needs to grow */
  28
  29 extern char pop_error[];
  30 extern bool pop_debug;
  31
  32 struct _popserver
  33 {
  34   int file, data;
  35   char *buffer;
  36   int buffer_size, buffer_index;
  37   bool_bf in_multi : 1;
  38   bool_bf trash_started : 1;
  39 };
  40
  41 typedef struct _popserver *popserver;
  42
  43 /*
  44  * Valid flags for the pop_open function.
  45  */
  46
  47 #define POP_NO_KERBEROS (1<<0)
  48 #define POP_NO_HESIOD   (1<<1)
  49 #define POP_NO_GETPASS  (1<<2)
  50
  51 extern popserver pop_open (char *host, char *username, char *password,
  52                            int flags);
  53 extern int pop_stat (popserver server, int *count, int *size);
  54 extern int pop_list (popserver server, int message, int **IDs,
  55                      int **size);
  56 extern int pop_retrieve (popserver server, int message, int markfrom,
  57                          char **);
  58 extern int pop_retrieve_first (popserver server, int message,
  59                                char **response);
  60 extern int pop_retrieve_next (popserver server, char **line);
  61 extern int pop_retrieve_flush (popserver server);
  62 extern int pop_top_first (popserver server, int message, int lines,
  63                           char **response);
  64 extern int pop_top_next (popserver server, char **line);
  65 extern int pop_top_flush (popserver server);
  66 extern int pop_multi_first (popserver server, const char *command,
  67                             char **response);
  68 extern int pop_multi_next (popserver server, char **line);
  69 extern int pop_multi_flush (popserver server);
  70 extern int pop_delete (popserver server, int message);
  71 extern int pop_noop (popserver server);
  72 extern int pop_last (popserver server);
  73 extern int pop_reset (popserver server);
  74 extern int pop_quit (popserver server);
  75 extern void pop_close (popserver);