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- /*
- * Definitions that user level programs might need to know to interact
- * with serial line IP (slip) lines.
-
- * @(#) $Header: slip.h,v 1.4 92/02/02 17:26:02 leres Exp $ (LBL)
- *
- * Copyright (c) 1990 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- /*
- * ioctl to get slip interface unit number (e.g., sl0, sl1, etc.)
- * assigned to some terminal line with a slip module pushed on it.
- */
- #ifdef __STDC__
- #define SLIOGUNIT _IOR('B', 1, int)
- #else
- #define SLIOGUNIT _IOR(B, 1, int)
- #endif
-
- /*
- * definitions of the pseudo- link-level header attached to slip
- * packets grabbed by the packet filter (bpf) traffic monitor.
- */
- #define SLIP_HDRLEN 16
-
- #define SLX_DIR 0
- #define SLX_CHDR 1
- #define CHDR_LEN 15
-
- #define SLIPDIR_IN 0
- #define SLIPDIR_OUT 1
-
-