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/******************************************************************************

 *

 *      (C)Copyright 1998,1999 SysKonnect,

 *      a business unit of Schneider & Koch & Co. Datensysteme GmbH.

 *

 *      This program 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 2 of the License, or

 *      (at your option) any later version.

 *

 *      The information in this file is provided "AS IS" without warranty.

 *

 ******************************************************************************/

#ifndef _MBUF_

#define _MBUF_

#define M_SIZE  4504

#ifndef MAX_MBUF

#define MAX_MBUF        4

#endif

#ifndef NO_STD_MBUF

#define sm_next         m_next

#define sm_off          m_off

#define sm_len          m_len

#define sm_data         m_data

#define SMbuf           Mbuf

#define mtod            smtod

#define mtodoff         smtodoff

#endif

struct s_mbuf {

        struct s_mbuf   *sm_next ;              /* low level linked list */

        short           sm_off ;                        /* offset in m_data */

        u_int           sm_len ;                        /* len of data */

#ifdef  PCI

        int             sm_use_count ;

#endif

        char            sm_data[M_SIZE] ;

} ;

typedef struct s_mbuf SMbuf ;

/* mbuf head, to typed data */

#define smtod(x,t)      ((t)((x)->sm_data + (x)->sm_off))

#define smtodoff(x,t,o) ((t)((x)->sm_data + (o)))

#endif  /* _MBUF_ */