NetBSD/etc/etc.amiga/MAKEDEV

#!/bin/sh -
#
#	$NetBSD: MAKEDEV,v 1.84 2003/03/31 03:58:57 perry Exp $
#
# Copyright (c) 1990 The 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.
#
#	from:
#	hp300/MAKEDEV (1/15/94), from:
#	@(#)MAKEDEV	5.5 (Berkeley) 5/28/91
#
###########################################################################
#
#   PLEASE RUN "cd ../share/man/man8 ; make makedevs"
#   AFTER CHANGING THIS FILE, AND COMMIT THE UPDATED MANPAGE!
#
###########################################################################
#
# Device "make" file.  Valid arguments:
#	all	makes all known devices, including local devices.
#		Tries to make the ``standard'' number of each.
#	fd	makes fd/* for the fdescfs.
#	floppy	devices needed for install floppies
#	std	standard devices
#	local	configuration specific devices
#	isdns	make ISDN devices
#
# Tapes:
#	st*	SCSI tapes
#
# Disks:
#	fd*	Floppy disks
#	wd*	IDE disks
#	sd*	SCSI disks, includes flopticals
#	cd*	SCSI cdrom discs
#	vnd*	"file" pseudo-disks
#	ccd*	concatenated disk driver
#	cgd*	cryptographic disk driver
#	raid*	RAIDframe disk driver
#	md*	memory pseudo-disk devices
#
# Console ports:
#	ttye*	ite bitmapped consoles
#	ttyE*	wscons
#
# Pointing devices:
#	mouse*	Amiga mice
#
# Terminal ports:
#	tty00	standard serial port
#	ttyA*	mfc serial ports
#	ttyB*	msc serial ports
#	ttyC*	com style serial ports (DraCo, HyperCom)
#		On the DraCo, units 0 and 1 are the built-in "modem" and
#		"mouse" ports, if configured.
#
# Pseudo terminals:
#	pty*	set of 62 master and slave pseudo terminals
#	opty	first 16 ptys, to save inodes on install media
#
# Printers:
#	par0	Amiga motherboard parallel port
#	lpt*	lpt parallel port (DraCo mainboard, HyperCom etc.)
#
# ISDN devices:
#	isdn		communication between userland isdnd and kernel
#	isdnctl		control device
#	isdnbchan*	raw b-channel access
#	isdntel*	telephony device
#	isdntrc*	trace device
#
# Special purpose devices:
#	clockctl clock control for non root users
#	grf*	custom chip (grf0), Retina Z2/Z3 (grf1/grf2),
#		Cirrus boards (grf3), A2410 (grf4) video,
#		CyberVision 64 (grf5), ET4000 boards (grf6)
#		or CyberVision 64/3D (grf7).
#	kbd	Amiga keyboard
#	wskbd*	wscons keyboard events
#	view*	generic interface to graphic displays
#	lkm	loadable kernel modules interface
#	ipl	IP Filter
#	random	Random number generator
#	bpf*	Berkeley Packet Filter
#	tun*	network tunnel driver
#	scsibus* SCSI busses, see scsi(4), scsictl(8)
#	ss*	SCSI scanner
#	uk*	unknown SCSI device
#	ch*	SCSI media changer
#	audio*	one unit of the audio device. On Amiga machines,
#		Unit 0 is custom chip audio, if configured
#	systrace syscall tracer
#

# for new-style serial interfaces:
dialin=0
dialout=524288		# high bit of the minor number

PATH=/sbin:/bin:/usr/sbin:/usr/bin
umask 77

# Check if we have fdesc mounted
if [ -d fd ]; then
	case "`df fd`" in
	*fdesc*) nofdesc=false;;
	*) nofdesc=true;;
	esac
else
	nofdesc=true
fi

makedev()
{

for i
do
case $i in

all)
	makedev std wscons fd fd0 fd1 fd2 fd3 kbd mouse0 mouse1 par0
	makedev lpt0 lpt1 lpt2 lpt3
	makedev ttye0 ttye1 ttye2 ttye3 ttye4 ttye5 ttye6 ttye7
	makedev grf0 grf1 grf2 grf3 grf4 grf5 grf6 grf7
	makedev tty00 ttyA0 ttyA1
	makedev ttyB0 ttyB1 ttyB2 ttyB3 ttyB4 ttyB5 ttyB6 ttyB7
	makedev ttyC0 ttyC1 ttyC2 ttyC3 ttyC4 ttyC5 ttyC6 ttyC7
	makedev view00 view01 view02 view03 view04 view05 pty0
	makedev sd0 sd1 sd2 sd3 sd4 sd5 sd6 sd7 sd8 sd9 cd0 st0 wd0 wd1
	makedev ss0 ch0 uk0 uk1 ccd0 ccd1 ccd2 ccd3 md0 md1
	makedev cgd0 cgd1 cgd2 cgd3
	makedev raid0 raid1 raid2 raid3 raid4 raid5 raid6 raid7
	makedev vnd0 vnd1 vnd2 vnd3 vnd4 vnd5 vnd6
	makedev bpf0 bpf1 bpf2 bpf3 bpf4 bpf5 bpf6 bpf7
	makedev tun0 tun1 lkm ipl random local
	makedev audio0 audio1 audio2 audio3
	makedev scsibus0 scsibus1 scsibus2 scsibus3
	makedev isdns
	makedev clockctl
	makedev systrace
	;;

floppy)
	makedev std fd0 fd1 fd2 fd3 kbd opty tun0 tun1
	makedev ttye0 ttye1 ttye2 ttye3 ttye4 ttye5 ttye6 ttye7
	makedev grf0 grf1 grf2 grf3 grf4 grf5 grf6 grf7
	makedev tty00 ttyA0 ttyB0 ttyC0
	makedev sd0 sd1 sd2 sd3 sd4 sd5 sd6 sd7 sd8 sd9
	makedev cd0 cd1 cd2 st0 wd0 wd1 md0
	;;

isdns)
	makedev isdn isdnctl isdnbchan0 isdnbchan1 isdntel0 isdntel1 isdntrc0 isdntrc1
	;;

std)
	rm -f console drum kmem mem reload null zero klog
	mknod console		c 0 0
	mknod drum		c 3 0	; chmod 640 drum ; chgrp kmem drum
	mknod kmem		c 2 1	; chmod 640 kmem ; chgrp kmem kmem
	mknod mem		c 2 0	; chmod 640 mem ; chgrp kmem mem
	mknod reload		c 2 20	; chmod 600 reload
	mknod zero		c 2 12	; chmod 666 zero
	mknod null		c 2 2	; chmod 666 null
	mknod klog		c 6 0	; chmod 600 klog
	if $nofdesc; then
		rm -f tty stdin stdout stderr
		mknod tty	c 1 0	; chmod 666 tty
		mknod stdin	c 21 0	; chmod 666 stdin
		mknod stdout	c 21 1	; chmod 666 stdout
		mknod stderr	c 21 2	; chmod 666 stderr
	fi
	;;

fd)
	if $nofdesc; then
		rm -f fd/*
		mkdir fd 2>/dev/null
		n=0
		while [ $n -lt 64 ]; do
			mknod fd/$n c 21 $n
			n=$(($n + 1))
		done
		chmod 755 fd
		chmod 666 fd/*
	fi
	;;

fd*)
	unit=${i#fd};	blk=2;	chr=18
	rm -f fd$unit? rfd$unit?
	case $unit in
	0|1|2|3)
		mknod fd${unit}a	b $blk $(($unit * 16 + 0))
		mknod fd${unit}b	b $blk $(($unit * 16 + 1))
		mknod rfd${unit}a	c $chr $(($unit * 16 + 0))
		mknod rfd${unit}b	c $chr $(($unit * 16 + 1))
		chgrp operator fd$unit? rfd$unit?
		chmod 640 fd$unit? rfd$unit?
		;;
	*)
		echo bad unit for floppy disk in: $i
		;;
	esac
	;;
md*)
	unit=${i#md}; blk=15; chr=43
	rm -f md${unit}? rmd${unit}?
	mknod md${unit}a  b $blk $(($unit * 16 + 0))
	mknod md${unit}c  b $blk $(($unit * 16 + 2))
#	mknod rmd${unit}a c $chr $(($unit * 16 + 0))
#	mknod rmd${unit}c c $chr $(($unit * 16 + 2))
	chgrp operator md${unit}? #rmd${unit}?
	chmod 640 md${unit}? #rmd${unit}?
	;;

sd*|vnd*|ccd*|cgd*|raid*|wd*)
	case $i in
	sd*)	name=sd;	unit=${i#sd};	blk=4;	chr=8;;
	vnd*)	name=vnd;	unit=${i#vnd};	blk=6;	chr=19;;
	ccd*)	name=ccd;	unit=${i#ccd};	blk=8;	chr=7;;
	cgd*)	name=cgd;	unit=${i#cgd};	blk=18;	chr=57;;
	raid*)	name=raid;	unit=${i#raid};	blk=16;	chr=50;;
	wd*)	name=wd;	unit=${i#wd};	blk=17;	chr=52;;
	esac
	rm -f $name$unit? r$name$unit?
	mknod ${name}${unit}a	b $blk $(($unit * 16 + 0))
	mknod ${name}${unit}b	b $blk $(($unit * 16 + 1))
	mknod ${name}${unit}c	b $blk $(($unit * 16 + 2))
	mknod ${name}${unit}d	b $blk $(($unit * 16 + 3))
	mknod ${name}${unit}e	b $blk $(($unit * 16 + 4))
	mknod ${name}${unit}f	b $blk $(($unit * 16 + 5))
	mknod ${name}${unit}g	b $blk $(($unit * 16 + 6))
	mknod ${name}${unit}h	b $blk $(($unit * 16 + 7))
	mknod ${name}${unit}i	b $blk $(($unit * 16 + 8))
	mknod ${name}${unit}j	b $blk $(($unit * 16 + 9))
	mknod ${name}${unit}k	b $blk $(($unit * 16 + 10))
	mknod ${name}${unit}l	b $blk $(($unit * 16 + 11))
	mknod ${name}${unit}m	b $blk $(($unit * 16 + 12))
	mknod ${name}${unit}n	b $blk $(($unit * 16 + 13))
	mknod ${name}${unit}o	b $blk $(($unit * 16 + 14))
	mknod ${name}${unit}p	b $blk $(($unit * 16 + 15))
	mknod r${name}${unit}a	c $chr $(($unit * 16 + 0))
	mknod r${name}${unit}b	c $chr $(($unit * 16 + 1))
	mknod r${name}${unit}c	c $chr $(($unit * 16 + 2))
	mknod r${name}${unit}d	c $chr $(($unit * 16 + 3))
	mknod r${name}${unit}e	c $chr $(($unit * 16 + 4))
	mknod r${name}${unit}f	c $chr $(($unit * 16 + 5))
	mknod r${name}${unit}g	c $chr $(($unit * 16 + 6))
	mknod r${name}${unit}h	c $chr $(($unit * 16 + 7))
	mknod r${name}${unit}i	c $chr $(($unit * 16 + 8))
	mknod r${name}${unit}j	c $chr $(($unit * 16 + 9))
	mknod r${name}${unit}k	c $chr $(($unit * 16 + 10))
	mknod r${name}${unit}l	c $chr $(($unit * 16 + 11))
	mknod r${name}${unit}m	c $chr $(($unit * 16 + 12))
	mknod r${name}${unit}n	c $chr $(($unit * 16 + 13))
	mknod r${name}${unit}o	c $chr $(($unit * 16 + 14))
	mknod r${name}${unit}p	c $chr $(($unit * 16 + 15))
	chgrp operator $name$unit? r$name$unit?
	chmod 640 $name$unit? r$name$unit?
	;;

st*)
	case $i in
	st*) name=st;	unit=${i#st};	chr=20;	blk=5;;
	esac
	rm -f $name$unit n$name$unit e$name$unit en$name$unit \
		r$name$unit nr$name$unit er$name$unit enr$name$unit \
		$name$unit[hml] [ne]$name$unit[hml] en$name$unit[hml] \
		r$name$unit[hml] [ne]r$name$unit[hml] enr$name$unit[hml]
	mknod $name${unit}	b $blk $(($unit * 16 + 0))
	mknod n$name${unit}	b $blk $(($unit * 16 + 1))
	mknod e$name${unit}	b $blk $(($unit * 16 + 2))
	mknod en$name${unit}	b $blk $(($unit * 16 + 3))
	mknod $name${unit}h	b $blk $(($unit * 16 + 4))
	mknod n$name${unit}h	b $blk $(($unit * 16 + 5))
	mknod e$name${unit}h	b $blk $(($unit * 16 + 6))
	mknod en$name${unit}h	b $blk $(($unit * 16 + 7))
	mknod $name${unit}m	b $blk $(($unit * 16 + 8))
	mknod n$name${unit}m	b $blk $(($unit * 16 + 9))
	mknod e$name${unit}m	b $blk $(($unit * 16 + 10))
	mknod en$name${unit}m	b $blk $(($unit * 16 + 11))
	mknod $name${unit}l	b $blk $(($unit * 16 + 12))
	mknod n$name${unit}l	b $blk $(($unit * 16 + 13))
	mknod e$name${unit}l	b $blk $(($unit * 16 + 14))
	mknod en$name${unit}l	b $blk $(($unit * 16 + 15))
	mknod r$name${unit}	c $chr $(($unit * 16 + 0))
	mknod nr$name${unit}	c $chr $(($unit * 16 + 1))
	mknod er$name${unit}	c $chr $(($unit * 16 + 2))
	mknod enr$name${unit}	c $chr $(($unit * 16 + 3))
	mknod r$name${unit}h	c $chr $(($unit * 16 + 4))
	mknod nr$name${unit}h	c $chr $(($unit * 16 + 5))
	mknod er$name${unit}h	c $chr $(($unit * 16 + 6))
	mknod enr$name${unit}h	c $chr $(($unit * 16 + 7))
	mknod r$name${unit}m	c $chr $(($unit * 16 + 8))
	mknod nr$name${unit}m	c $chr $(($unit * 16 + 9))
	mknod er$name${unit}m	c $chr $(($unit * 16 + 10))
	mknod enr$name${unit}m	c $chr $(($unit * 16 + 11))
	mknod r$name${unit}l	c $chr $(($unit * 16 + 12))
	mknod nr$name${unit}l	c $chr $(($unit * 16 + 13))
	mknod er$name${unit}l	c $chr $(($unit * 16 + 14))
	mknod enr$name${unit}l	c $chr $(($unit * 16 + 15))
	chgrp operator $name$unit n$name$unit e$name$unit en$name$unit \
		r$name$unit nr$name$unit er$name$unit enr$name$unit \
		$name$unit[hml] [ne]$name$unit[hml] en$name$unit[hml] \
		r$name$unit[hml] [ne]r$name$unit[hml] enr$name$unit[hml]
	chmod 660 $name$unit n$name$unit e$name$unit en$name$unit \
		r$name$unit nr$name$unit er$name$unit enr$name$unit \
		$name$unit[hml] [ne]$name$unit[hml] en$name$unit[hml] \
		r$name$unit[hml] [ne]r$name$unit[hml] enr$name$unit[hml]
	;;

cd*)
	case $i in
	cd*) name=cd;	unit=${i#cd};	blk=7;	chr=9;;
	esac
	rm -f $name$unit? r$name$unit?
	mknod ${name}${unit}a	b $blk $(($unit * 16 + 0))
	mknod ${name}${unit}c	b $blk $(($unit * 16 + 2))
	mknod r${name}${unit}a	c $chr $(($unit * 16 + 0))
	mknod r${name}${unit}c	c $chr $(($unit * 16 + 2))
	chgrp operator $name$unit? r$name$unit?
	chmod 640 $name$unit? r$name$unit?
	;;

ss*)
	case $i in
	ss*) name=ss;	unit=${i#ss};	chr=37;;
	esac
	rm -f $name$unit n$name$unit en$name$unit
	mknod $name$unit	c $chr $(($unit * 16 + 0))
	mknod n$name$unit	c $chr $(($unit * 16 + 1))
	mknod en$name$unit	c $chr $(($unit * 16 + 3))
	chgrp operator $name$unit n$name$unit en$name$unit
	chmod 640 $name$unit n$name$unit en$name$unit
	;;

ch*|uk*)
	case $i in
	ch*) name=ch;	unit=${i#ch};	chr=38;;
	uk*) name=uk;	unit=${i#uk};	chr=39;;
	esac
	rm -f $name$unit
	mknod $name$unit	c $chr $unit
	chgrp operator $name$unit
	chmod 640 $name$unit
	;;

tty0*|ttyA*|ttyB*)
	case $i in
	tty0*) name=tty0; mname=ttym;	unit=${i#tty0};	chr=12; mult=1; add=128;;
	ttyA*) name=ttyA; mname=ttyAm;	unit=${i#ttyA};	chr=17; mult=1; add=128;;
	ttyB*) name=ttyB; mname=ttyBm;	unit=${i#ttyB};	chr=31; mult=2; add=1;;
	esac
	rm -f $name$unit $mname$unit
	rm -f ser$unit
	rm -f ttyM$unit
	mknod $name$unit	c $chr $(($unit * $mult))
	mknod $mname$unit	c $chr $(($unit * $mult + $add))
	chown uucp $name$unit $mname$unit
	;;

# new style tty devices:
ttyC*)
	case $i in
	ttyC*) name=ttyC; mname=dtyC;	unit=${i#ttyC};	chr=32;;
	esac
	rm -f $name$unit $mname$unit
	mknod $name$unit	c $chr $(($unit + $dialin))
	mknod $mname$unit	c $chr $(($unit + $dialout))
	chown uucp $name$unit $mname$unit
	;;

par*)
	unit=${i#par};	chr=11
	rm -f par$unit
	case $unit in
	0)
		mknod par$unit	c $chr $unit
		;;
	*)
		echo bad unit for par in: $i
		;;
	esac
	;;

lpt*)
	unit=${i#lpt};  chr=33
	rm -f lpt${unit} lpt${unit}a
	mknod lpt${unit}	c $chr $unit
	mknod lpt${unit}a	c $chr $(($unit + 128))
	;;

ttye*)
	unit=${i#ttye};	chr=13
	rm -f ttye$unit
	rm -f ite*
	case $unit in
	0|1|2|3|4|5|6|7)
		mknod ttye$unit	c $chr $unit
		;;
	*)
		echo bad unit for ttye in: $i
		;;
	esac
	;;

grf*)
	unit=${i#grf};	chr=10
	rm -f grf$unit
	case $unit in
	0|1|2|3|4|5|6|7)
		mknod grf$unit	c $chr $unit
		chmod 666 grf$unit
		;;
	*)
		echo bad unit for grf in: $i
		;;
	esac
# for those that need it, also make overlay and image devices:
	rm -f grfov$unit grfim$unit
	case $unit in
	4)
		mknod grfov$unit	c $chr $(($unit + 16))
		chmod 666 grfov$unit
		mknod grfim$unit	c $chr $(($unit + 32))
		chmod 666 grfim$unit
		;;
	esac
	;;

mouse*)
	unit=${i#mouse};	chr=15
	rm -f mouse$unit
	case $unit in
	0|1)
		mknod mouse$unit c	$chr $unit
		chmod 666 mouse$unit
		if [ $unit = 0 ]
		then
			ln -fs mouse$unit mouse
		fi
		;;
	*)
		echo bad unit for mouse in: $i
		;;
	esac
	;;

kbd)
	rm -f kbd
	mknod kbd c 14 0
	;;


view*)
	unit=${i#view};	chr=16
	rm -f view$unit
	mknod view$unit	c $chr $unit
	chmod 666 view$unit
	;;

wscons)
	makedev ttyE0 ttyE1 ttyE2 ttyE3 ttyE4 ttyE5 ttyE6 ttyE7
#	makedev wsmouse0 wsmouse1 wsmouse2 wsmouse3
	makedev wskbd0 wskbd1 wskbd2 wskbd3
	makedev ttyEcfg
	;;

ttyEcfg)
	chr=53
	rm -f ttyEcfg
	mknod ttyEcfg c $chr 255
	chmod 600 ttyEcfg
	;;

ttyE*)
	chr=53; unit=${i#ttyE}
	rm -f ttyE$unit
	mknod ttyE$unit c $chr $unit
	;;

wskbd*)
	unit=${i#wskbd}
	wskbd=wskbd$unit
	major=54
	rm -f $wskbd
	mknod $wskbd c $major $unit
	chmod 600 $wskbd
	;;


opty)
	rm -f ttyp[0-9a-f] ptyp[0-9a-f]
	for j in 0 1 2 3 4 5 6 7 8 9 a b c d e f
	do
		case $j in
		[0-9])	jn=$j ;;
		a)	jn=10 ;;
		b)	jn=11 ;;
		c)	jn=12 ;;
		d)	jn=13 ;;
		e)	jn=14 ;;
		f)	jn=15 ;;
		esac
		mknod ttyp$j c 4 $jn
		mknod ptyp$j c 5 $jn
	done
	chmod 666 ttyp[0-9a-f] ptyp[0-9a-f]
	;;

pty*)
	class=${i#pty}
	name=`echo pqrstuvwxyzPQRST | dd bs=1 count=1 skip=$class 2>/dev/null`
	case $name in
	v)	echo "$0: $i: pty unit conflicts with console ttyv0 device."
		continue ;;
	?)	;;
	*)	echo "$0: $i: pty unit must be between 0 and 15"
		continue ;;
	esac
	rm -f tty$name[0-9a-zA-Z] pty$name[0-9a-zA-Z]
	jn=0
	while [ $jn -lt 62 ]
	do
		j=`echo 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ | dd bs=1 count=1 skip=$jn 2>/dev/null`
		skip=0
		if [ $jn -ge 16 ]; then
			skip=$(($class * 30 + 256 - 16))
		fi
		unit=$(($class * 16 + $jn + $skip))
		mknod tty$name$j c 4 $unit
		mknod pty$name$j c 5 $unit
		jn=$(($jn + 1))
	done
	chmod 666 tty$name[0-9a-zA-Z] pty$name[0-9a-zA-Z]
	;;

bpf*|tun*)
	case $i in
	bpf*) name=bpf;	unit=${i#bpf};	chr=22;;
	tun*) name=tun;	unit=${i#tun};	chr=23;;
	esac
	rm -f $name$unit
	mknod $name$unit	c $chr $unit
	;;

lkm)
	rm -f lkm
	mknod lkm c 24 0
	chgrp kmem lkm
	chmod 640 lkm
	;;

ipl)
	rm -f ipl ipnat ipstate ipauth
	mknod ipl c 40 0
	mknod ipnat c 40 1
	mknod ipstate c 40 2
	mknod ipauth c 40 3
	chmod 600 ipl ipnat ipstate ipauth
	;;

audio*)
	unit=${i#audio}
	audio=audio$unit
	sound=sound$unit
	mixer=mixer$unit
	major=41
	audioctl=audioctl$unit
	if [ "$unit" = "" ]; then unit=0; fi
	rm -f $audio $sound $mixer $audioctl
	mknod $sound    c $major $(($unit + 0))
	mknod $audio    c $major $(($unit + 128))
	mknod $mixer    c $major $(($unit + 16))
	mknod $audioctl c $major $(($unit + 192))
	chmod 666 $audio $sound $mixer $audioctl
	;;


random)
	rm -f random urandom
	mknod random c 42 0
	mknod urandom c 42 1
	chmod 444 random
	chmod 644 urandom
	;;

scsibus*)
	unit=${i#scsibus}
	rm -f scsibus$unit
	mknod scsibus$unit c 44 $unit
	chmod 644 scsibus$unit
	;;

isdn)
	rm -f isdn
	mknod isdn c 45 0
	chmod 600 isdn
	;;

isdnctl)
	rm -f isdnctl
	mknod isdnctl c 46 0
	chmod 600 isdnctl
	;;

isdnbchan*)
	unit=${i#isdnbchan}
	rm -f isdnbchan$unit
	mknod isdnbchan$unit c 47 $unit
	chmod 600 isdnbchan$unit
	;;

isdntel*)
	unit=${i#isdntel}
	rm -f isdntel$unit
	mknod isdntel$unit c 49 $unit
	chmod 600 isdntel$unit
	;;

isdntrc*)
	unit=${i#isdntrc}
	rm -f isdntrc$unit
	mknod isdntrc$unit c 48 $unit
	chmod 600 isdntrc$unit
	;;

clockctl)
	rm -f clockctl
	mknod clockctl c 55 0
	chgrp ntpd clockctl
	chmod 660 clockctl
	;;

systrace)
	rm -f systrace
	mknod systrace c 56 0
	chmod 644 systrace
	;;

local)
	if [ -f "$0.local" ]; then
		umask 0
		sh $0.local all
		umask 77
	fi
	;;

*)
	echo $i: unknown device
	;;
esac
done

}

makedev $*