text: /*
   * Copyright (c) 1989 Regents of the University of California.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by the University of
   *	California, Berkeley and its contributors.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   *	@(#)if_types.h	7.3 (Berkeley) 6/28/90
   */
  
  
  /* interface types for benefit of parsing media address headers */
  #define IFT_OTHER	0x1		/* none of the following */
  #define IFT_1822	0x2		/* old-style arpanet imp */
  #define IFT_HDH1822	0x3		/* HDH arpanet imp */
  #define IFT_X25DDN	0x4		/* x25 to imp */
  #define IFT_X25		0x5		/* PDN X25 interface */
  #define	IFT_ETHER	0x6		/* Ethernet I or II */
  #define	IFT_ISO88023	0x7		/* CMSA CD */
  #define	IFT_ISO88024	0x8		/* Token Bus */
  #define	IFT_ISO88025	0x9		/* Token Ring */
  #define	IFT_ISO88026	0xa		/* MAN */
  #define	IFT_STARLAN	0xb
  #define	IFT_P10		0xc		/* Proteon 10MBit ring */
  #define	IFT_P80		0xd		/* Proteon 10MBit ring */
  #define IFT_HY		0xe		/* Hyperchannel */
  #define IFT_FDDI	0xf
  #define IFT_LAPB	0x10
  #define IFT_SDLC	0x11
  #define IFT_T1		0x12
  #define IFT_CEPT	0x13
  #define IFT_ISDNBASIC	0x14
  #define IFT_ISDNPRIMARY	0x15
  #define IFT_PTPSERIAL	0x16
  #define	IFT_LOOP	0x18		/* loopback */
  #define IFT_EON		0x19		/* ISO over IP */
  #define	IFT_XETHER	0x1a		/* obsolete 3MB experimental ethernet */
  #define	IFT_NSIP	0x1b		/* XNS over IP */
  #define	IFT_SLIP	0x1c		/* IP over generic TTY */
  
  