254 lines
6.5 KiB
Plaintext
254 lines
6.5 KiB
Plaintext
/* $NetBSD: majors+minors,v 1.8 1997/01/12 20:39:51 mark Exp $ */
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/*
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* Copyright (c) 1994,1996 Mark Brinicombe.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Mark Brinicombe.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* RiscBSD kernel project
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*
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* majors+minors
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*
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* list of all allocated major numbers
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*
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* Created : 17/09/94
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*/
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List of allocated and reserved major and minor numbers
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The block and character major numbers are ALWAYS allocated together to the
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same device driver even if the driver does not require both.
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0 B - reserved
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0 C - memory device
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minor = 0 - /dev/mem
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minor = 1 - /dev/kmem
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minor = 2 - /dev/null
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minor = 3 - /dev/zero
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1 B - swap device
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1 C - psuedo swap device
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minor = 0 - /dev/drum
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2 B - reserved
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2 C - console device
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minor = 0 - /dev/console
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3 B - reserved
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3 C - controlling terminal
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minor = 0 - /dev/tty
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4 B - reserved
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4 C - virtual console
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/dev/ttyv{unit}
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unit = minor
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5 B - reserved
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5 C - kernel log device
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minor = 0 - /dev/klog
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6 B - reserved
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6 C - psuedo tty master
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/dev/pty{class}{unit}
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unit = minor % 16
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minor / 16 = 0 - class = p
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minor / 16 = 1 - class = q
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minor / 16 = 2 - class = r
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minor / 16 = 3 - class = s
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minor / 16 = 4 - class = t
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7 B - reserved
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7 C - psuedo tty slave
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/dev/tty{class}{unit}
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unit = minor % 16
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minor / 16 = 0 - class = p
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minor / 16 = 1 - class = q
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minor / 16 = 2 - class = r
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minor / 16 = 3 - class = s
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minor / 16 = 4 - class = t
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8 B - reserved
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8 C - parallel printer
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/dev/lp{class}{unit}
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unit = minor & 0x1f
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minor & 0x80 = 0x00 - class = t - interrupt driver
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minor & 0x80 = 0x80 - class = a - polling driver
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e.g.
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0 - /dev/lpt0
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128 - /dev/lpa0
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9 B - reserved
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9 C - quadrature mouse
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minor = 0 - /dev/quadmouse
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10 B - reserved
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10 C - beep device
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minor = 0 - /dev/beep
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11 B - reserved
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11 C - keyboard device
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minor = 0 - /dev/kbd
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12 B - reserved
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12 C - serial port
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/dev/tty0{unit}
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unit = minor
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13 B - reserver
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13 C - reserved
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14 B - reserved
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14 C - reserved
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15 B - reserved
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15 C - reserved
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16 B - ST506/ESDI/IDE disk
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/dev/wd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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16 C - ST506/ESDI/IDE disk
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/dev/rwd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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17 B - floppy disk
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/dev/fd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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17 C - floppy disk
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/dev/rfd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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18 B - ram disk
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/dev/rd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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18 C - ram disk
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/dev/rrd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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19 B - vnode disk driver
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/dev/vnd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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19 C - vnode disk driver
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/dev/rvnd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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20 B - reserved (ATAPI CDROM)
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/dev/acd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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20 C - reserved (ATAPI CDROM)
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/dev/racd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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21 B - concatenated disk driver
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/dev/ccd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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21 C - concatenated disk driver
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/dev/rccd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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22 B - reserved
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22 C - reserved
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23 B - reserved
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23 C - reserved
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24 B - SCSI disk
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/dev/sd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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24 C - SCSI disk
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/dev/rsd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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25 B - SCSI tape
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25 C - SCSI tape
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26 B - SCSI cdrom
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/dev/cd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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26 C - SCSI cdrom
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/dev/rcd{unit}{partition}
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partition = minor % 8
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unit = minor / 8
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27 B - reserved
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27 C - SCSI autochanger
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/dev/ch{unit}
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unit = minor
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28 B - reserved
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28 C - SCSI unknown device
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/dev/uk{unit}
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unit = minor
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29 B - reserved
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29 C - SCSI scanner device
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/dev/ss{unit}
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unit = minor
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30 B - reserved
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30 C - reserved
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31 B - reserved
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31 C - reserved
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32 B - reserved
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32 C - Berkeley packet filter
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/dev/bpf{unit}
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unit = minor
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minor = 0 - /dev/bpf0
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minor = 1 - /dev/bpf1
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minor = 2 - /dev/bpf2
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minor = 3 - /dev/bpf3
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33 B - reserved
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33 C - network tunnel
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/dev/tun{unit}
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unit = minor
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minor = 0 - /dev/tun0
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minor = 1 - /dev/tun1
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minor = 2 - /dev/tun2
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34 B - reserved
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34 C - file descriptor pseudo-device
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minor = 0 - /dev/stdin
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minor = 1 - /dev/stdout
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minor = 2 - /dev/stderr
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35 B - reserved
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35 C - loadable module driver
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minor = 0 - /dev/lkm
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36 B - reserved
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36 C - generic audio device
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37 B - reserved
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37 C - vidcvideo device
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minor = 0 - /dev/vidcvideo
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38 B - reserved
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38 C - cpu/hydra
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minor = 0 - /dev/cpu0
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39 B - reserved
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39 C - reserved
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40 B - reserved
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40 C - PS2 mouse
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minor = 0 - /dev/pms
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41 B - reserved
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41 C - reserved
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42 B - reserved
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42 C - IIC device
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43 B - reserved
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43 C - RTC device
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44 B - reserved
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44 C - reserved (generic video)
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(/dev/gfx{unit})
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(unit = minor)
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45 B - reserved
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45 C - reserved (virtual console)
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(/dev/ttyg{unit})
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(unit = minor)
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46 B - reserved
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46 C - ip-filter
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