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#ifndef _message_source_h
#define _message_source_h
/*
* This file is part of libESMTP, a library for submission of RFC 2822
* formatted electronic mail messages using the SMTP protocol described
* in RFC 2821.
*
* Copyright (C) 2001,2002 Brian Stafford <brian@stafford.uklinux.net>
*
* 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 2.1 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Functions to read lines or blocks of text from the message source.
These functions allow the library to interface to the application
using a callback function. This is intended to allow the application
maximum flexibility in managing its message storage. */
typedef struct msg_source *msg_source_t;
msg_source_t msg_source_create (void);
void msg_source_destroy (msg_source_t source);
void msg_source_set_cb (msg_source_t source,
const char *(*cb) (void **ctx, int *len, void *arg),
void *arg);
void msg_rewind (msg_source_t source);
const char *msg_gets (msg_source_t source, int *len, int concatenate);
int msg_nextc (msg_source_t source);
const char *msg_getb (msg_source_t source, int *len);
#endif
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