header.h 1.88 KB
/* GNU mailutils - a suite of utilities for electronic mail
   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU Library 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 Library General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

#ifndef _MAILUTILS_SYS_HEADER_H
#define _MAILUTILS_SYS_HEADER_H

#include <mailutils/header.h>

#ifndef __P
#ifdef __STDC__
#define __P(args) args
#else
#define __P(args) ()
#endif
#endif /*__P */

#ifdef __cplusplus
extern "C" {
#endif

struct _header_vtable
{
  int  (*ref)             __P ((header_t));
  void (*destroy)         __P ((header_t *));

  int  (*is_modified)     __P ((header_t));
  int  (*clear_modified)  __P ((header_t));

  int  (*set_value)       __P ((header_t, const char *, const char *, int));
  int  (*get_value)        __P ((header_t, const char *, char *, size_t, size_t *));

  int  (*get_field_count) __P ((header_t, size_t *));
  int  (*get_field_value) __P ((header_t, size_t, char *, size_t, size_t *));
  int  (*get_field_name)  __P ((header_t, size_t, char *, size_t, size_t *));

  int  (*get_stream)      __P ((header_t, stream_t *));

  int  (*get_size)        __P ((header_t, size_t *));
  int  (*get_lines)       __P ((header_t, size_t *));
};

struct _header
{
  struct _header_vtable *vtable;
};

#ifdef __cplusplus
}
#endif

#endif /* _MAILUTILS_SYS_HEADER_H */