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Annotation of Net2/net/slip.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Definitions that user level programs might need to know to interact
                      3:  * with serial line IP (slip) lines.
                      4: 
                      5:  * @(#) $Header: /cvsroot/src/sys/net/slip.h,v 1.1 1993/03/25 00:30:55 cgd Exp $ (LBL)
                      6:  *
                      7:  * Copyright (c) 1990 Regents of the University of California.
                      8:  * All rights reserved.
                      9:  *
                     10:  * Redistribution and use in source and binary forms are permitted
                     11:  * provided that the above copyright notice and this paragraph are
                     12:  * duplicated in all such forms and that any documentation,
                     13:  * advertising materials, and other materials related to such
                     14:  * distribution and use acknowledge that the software was developed
                     15:  * by the University of California, Berkeley.  The name of the
                     16:  * University may not be used to endorse or promote products derived
                     17:  * from this software without specific prior written permission.
                     18:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     19:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     20:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     21:  */
                     22: 
                     23: /*
                     24:  * ioctl to get slip interface unit number (e.g., sl0, sl1, etc.)
                     25:  * assigned to some terminal line with a slip module pushed on it.
                     26:  */
                     27: #ifdef __STDC__
                     28: #define SLIOGUNIT _IOR('B', 1, int)
                     29: #else
                     30: #define SLIOGUNIT _IOR(B, 1, int)
                     31: #endif
                     32: 
                     33: /*
                     34:  * definitions of the pseudo- link-level header attached to slip
                     35:  * packets grabbed by the packet filter (bpf) traffic monitor.
                     36:  */
                     37: #define SLIP_HDRLEN 16
                     38: 
                     39: #define SLX_DIR 0
                     40: #define SLX_CHDR 1
                     41: #define CHDR_LEN 15
                     42: 
                     43: #define SLIPDIR_IN 0
                     44: #define SLIPDIR_OUT 1
                     45: 

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