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/* pop.h: Header file for the "pop.c" client POP3 protocol.
Copyright (C) 1991, 1993, 2001-2025 Free Software Foundation, Inc.
Author: Jonathan Kamens <jik@security.ov.com>
This file is part of GNU Emacs.
GNU Emacs 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 3 of the License, or (at
your option) any later version.
GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
#include <stdio.h>
#define GETLINE_MIN 1024 /* the getline buffer starts out this */
/* size */
#define GETLINE_INCR 1024 /* the getline buffer is grown by this */
/* size when it needs to grow */
extern char pop_error[];
extern bool pop_debug;
struct _popserver
{
int file, data;
char *buffer;
int buffer_size, buffer_index;
bool_bf in_multi : 1;
bool_bf trash_started : 1;
};
typedef struct _popserver *popserver;
/*
* Valid flags for the pop_open function.
*/
#define POP_NO_KERBEROS (1<<0)
#define POP_NO_HESIOD (1<<1)
#define POP_NO_GETPASS (1<<2)
extern popserver pop_open (char *host, char *username, char *password,
int flags);
extern int pop_stat (popserver server, int *count, int *size);
extern int pop_list (popserver server, int message, int **IDs,
int **size);
extern int pop_retrieve (popserver server, int message, int markfrom,
char **);
extern int pop_retrieve_first (popserver server, int message,
char **response);
extern int pop_retrieve_next (popserver server, char **line);
extern int pop_retrieve_flush (popserver server);
extern int pop_top_first (popserver server, int message, int lines,
char **response);
extern int pop_top_next (popserver server, char **line);
extern int pop_top_flush (popserver server);
extern int pop_multi_first (popserver server, const char *command,
char **response);
extern int pop_multi_next (popserver server, char **line);
extern int pop_multi_flush (popserver server);
extern int pop_delete (popserver server, int message);
extern int pop_noop (popserver server);
extern int pop_last (popserver server);
extern int pop_reset (popserver server);
extern int pop_quit (popserver server);
extern void pop_close (popserver);
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