.\"	$OpenBSD: doc-common,v 1.52 2007/05/26 21:10:04 jmc Exp $
.\"
.\" Copyright (c) 1991, 1993
.\"	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. 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.
.\"
.\"     @(#)doc-common	8.1 (Berkeley) 6/8/93
.\"
.\"     %beginstrip%
.nr %A 1
.nr %J 1
.nr %N 1
.nr %O 1
.nr %R 1
.nr %T 1
.nr %V 1
.nr Ad 12n
.nr Ac 3
.nr Ao 12n
.nr An 12n
.nr Aq 12n
.nr Ar 12n
.nr Bc 3
.nr Bl 1
.nr Bo 12n
.nr Bq 12n
.nr Cd 12n
.nr Cm 10n
.nr Dc 3
.nr Do 10n
.nr Dq 12n
.nr Ds 6n
.nr Dq 12n
.nr Dv 12n
.nr Ec 3
.nr El 1
.nr Eo 12n
.nr Eq 12n
.nr Em 10n
.nr Er 12n
.nr Ev 15n
.nr Fa 12n
.nr Fl 10n
.nr Fc 3
.nr Fo 16n
.nr Fn 16n
.nr I1 6n
.nr I2 12n
.nr I3 18n
.nr Ic 10n
.nr Li 16n
.nr Ms 6n
.nr Nm 10n
.nr No 12n
.nr Ns 2
.nr Oo 10n
.nr Oc 3
.nr Op 14n
.nr Pa 32n
.nr Pf 12n
.nr Pc 3
.nr Po 12n
.nr Pq 12n
.nr Qc 3
.nr Ql 16n
.nr Qo 12n
.nr Sc 3
.nr So 12n
.nr Sq 12n
.nr Sy 6n
.nr Sx 16n
.nr Rv 1
.nr Tn 10n
.nr Ta 1
.nr Tv 1
.nr Tx 22n
.nr Va 12n
.nr Vt 12n
.nr Xc 3
.nr Xo 1
.nr Xr 10n
.ds sV \& \&
.ds hV \&\ \&
.ds iV \& \&
.ds tV \&\\t\&
.\" Punctuation values (3 = closing punctuation, 4 = opening)
.nr z. 3
.nr z, 3
.nr z: 3
.nr z; 3
.nr z? 3
.nr z! 3
.nr z( 4
.nr z) 3
.nr z[ 4
.nr z] 3
.\" Matching pairs
.ds z( z)
.ds z[ z]
.ds z< z>
.\" This is disgusting, troff not parse ``if'' stmt properly
.nr z0 0
.nr z1 0
.nr z2 0
.nr z3 0
.nr z4 0
.nr z5 0
.nr z6 0
.nr z7 0
.nr z8 0
.nr z9 0
.nr z# 0
.\" Header assembly macros
.de Dt
.ds dT UNTITLED
.ds vT LOCAL
.ds cH Null
.if !"\\$1"" .ds dT \\$1
.if !"\\$2"" \{\
.	ds cH \\$2
.\" .	if "\\$3"" \{\
.		if \\$2>=1 .if \\$2<=9 \{\
.			ds vT OpenBSD Reference Manual
.			if \\$2>1 .if \\$2<6 .ds vT OpenBSD Programmer's Manual
.			if "\\$2"8" .ds vT OpenBSD System Manager's Manual
.			if "\\$2"9" .ds vT OpenBSD Kernel Manual
.			nr sN \\$2
.		\}
.		if "\\$2"unass"  .ds vT DRAFT
.		if "\\$2"draft"  .ds vT DRAFT
.		if "\\$2"paper"  .ds vT UNTITLED
.\" .	\}
.\}
.if !"\\$3"" \{\
.	if "\\$3"USD"   .ds vT OpenBSD User's Supplementary Documents
.	if "\\$3"PS1"   .ds vT OpenBSD Programmers's Supplementary Documents
.	if "\\$3"AMD"   .ds vT OpenBSD Ancestral Manual Documents
.	if "\\$3"SMM"   .ds vT OpenBSD System Manager's Manual
.	if "\\$3"URM"   .ds vT OpenBSD Reference Manual
.	if "\\$3"PRM"   .ds vT OpenBSD Programmers's Manual
.	if "\\$3"KM"    .ds vT OpenBSD Kernel Manual
.	if "\\$3"IND"   .ds vT OpenBSD Manual Master Index
.\" .	if "\\$3"CON"   .ds vT OpenBSD Contributed Software Manual
.\" .	if "\\$3"IMP"	.ds vT OpenBSD Implementation Notes
.\" .	if "\\$3"HOW"	.ds vT OpenBSD How Pocket Manual
.	if "\\$3"LOCAL" .ds vT OpenBSD Local Manual
.	if "\\$3"alpha" .as vT \ (Alpha)
.	if "\\$3"amd64" .as vT \ (AMD64)
.	if "\\$3"amiga" .as vT \ (Amiga)
.	if "\\$3"arc" .as vT \ (ARC)
.	if "\\$3"armish" .as vT \ (ARMISH)
.	if "\\$3"aviion" .as vT \ (AViiON)
.	if "\\$3"cats" .as vT \ (Cats)
.	if "\\$3"hp300" .as vT \ (HP300)
.	if "\\$3"hppa" .as vT \ (HPPA)
.	if "\\$3"hppa64" .as vT \ (HPPA64)
.	if "\\$3"i386"  .as vT \ (i386)
.	if "\\$3"landisk"  .as vT \ (LANDISK)
.	if "\\$3"luna88k" .as vT \ (Luna88K)
.	if "\\$3"mac68k" .as vT \ (Mac68K)
.	if "\\$3"macppc"  .as vT \ (MacPPC)
.	if "\\$3"mvme68k" .as vT \ (MVME68K)
.	if "\\$3"mvme88k" .as vT \ (MVME88K)
.	if "\\$3"mvmeppc" .as vT \ (MVMEPPC)
.	if "\\$3"pmax"  .as vT \ (PMAX)
.	if "\\$3"sgi"  .as vT \ (SGI)
.	if "\\$3"sparc" .as vT \ (SPARC)
.	if "\\$3"sparc64" .as vT \ (SPARC64)
.	if "\\$3"sun3"  .as vT \ (Sun3)
.	if "\\$3"vax"   .as vT \ (VAX)
.	if "\\$3"zaurus"  .as vT \ (Zaurus)
.	if "\\*(vT"LOCAL" .ds vT \\$3
.\}
..
.\" NS Os macro - Operating System (behaviour changes after first call)
.\" .	ds vT \f(CODRAFT\fP\ \ \-\-\ \ \\*(vT\ \ \-\-\ \ \f(CODRAFT
.\" .	ds dD \f(CODRAFT\fP\ \ \-\-\ \ \\*(dD\ \ \-\-\ \ \f(CODRAFT
.\" .ds vT \s+4\f(CODRAFT\fP\s-4\ \ \-\-\ \ \\*(vT\ \ \-\-\ \ \s+4\f(CODRAFT\s-4
.\" .ds dD \s+4\f(CODRAFT\fP\s-4\ \ \-\-\ \ \\*(dD\ \ \-\-\ \ \s+4\f(CODRAFT\s-4
.de Os
.ds oS Null
.if "\\$1"" \{\
.	ds oS OpenBSD 4.1
.\}
.if "\\$2"" \{\
.	ds aa Non-Null
.\}
.if "\\$1"ATT"   \{\
.	ds oS AT&T
.	if "\\$2""    .as oS \0UNIX
.	if "\\$2"7th" .as oS \07th Edition
.	if "\\$2"7"   .as oS \07th Edition
.	if "\\$2"III" .as oS \0System III
.	if "\\$2"3"   .as oS \0System III
.	if "\\$2"V"   .as oS \0System V
.	if "\\$2"V.2" .as oS \0System V Release 2
.	if "\\$2"V.3" .as oS \0System V Release 3
.	if "\\$2"V.4" .as oS \0System V Release 4
.\}
.if "\\$1"BSD" \{\
.	if "\\$2"3"    .ds oS 3rd Berkeley Distribution
.	if "\\$2"4"    .ds oS 4th Berkeley Distribution
.	if "\\$2"4.1"  .ds oS 4.1 Berkeley Distribution
.	if "\\$2"4.2"  .ds oS 4.2 Berkeley Distribution
.	if "\\$2"4.3"  .ds oS 4.3 Berkeley Distribution
.	if "\\$2"4.3T" .ds oS 4.3-Tahoe Berkeley Distribution
.	if "\\$2"4.3R" .ds oS 4.3-Reno Berkeley Distribution
.	if "\\$2"4.3t" .ds oS 4.3-Tahoe Berkeley Distribution
.	if "\\$2"4.3r" .ds oS 4.3-Reno Berkeley Distribution
.	if "\\$2"4.4"  .ds oS 4.4BSD
.\}
.if "\\$1"NetBSD" \{\
.	ds oS NetBSD
.	if "\\$2"0.8"  .as oS \00.8
.	if "\\$2"0.8a" .as oS \00.8A
.	if "\\$2"0.9"  .as oS \00.9
.	if "\\$2"0.9a" .as oS \00.9A
.	if "\\$2"1.0"  .as oS \01.0
.	if "\\$2"1.0a" .as oS \01.0A
.	if "\\$2"1.1"  .as oS \01.1
.	if "\\$2"1.1a" .as oS \01.1A
.	if "\\$2"1.2"  .as oS \01.2
.	if "\\$2"1.2a" .as oS \01.2A
.	if "\\$2"1.2b" .as oS \01.2B
.	if "\\$2"1.2c" .as oS \01.2C
.	if "\\$2"1.2d" .as oS \01.2D
.	if "\\$2"1.2e" .as oS \01.2E
.	if "\\$2"1.3"  .as oS \01.3
.	if "\\$2"1.3a" .as oS \01.3A
.	if "\\$2"1.4"  .as oS \01.4
.	if "\\$2"1.5"  .as oS \01.5
.	if "\\$2"1.6"  .as oS \01.6
.	if "\\$2"2.0"  .as oS \02.0
.	if "\\$2"3.0"  .as oS \03.0
.	if "\\$2"4.0"  .as oS \04.0
.\}
.if "\\$1"OpenBSD" \{\
.	ds oS OpenBSD
.	if "\\$2"1.2"  .as oS \01.2
.	if "\\$2"2.0"  .as oS \02.0
.	if "\\$2"2.1"  .as oS \02.1
.	if "\\$2"2.2"  .as oS \02.2
.	if "\\$2"2.3"  .as oS \02.3
.	if "\\$2"2.4"  .as oS \02.4
.	if "\\$2"2.5"  .as oS \02.5
.	if "\\$2"2.6"  .as oS \02.6
.	if "\\$2"2.7"  .as oS \02.7
.	if "\\$2"2.8"  .as oS \02.8
.	if "\\$2"2.9"  .as oS \02.9
.	if "\\$2"3.0"  .as oS \03.0
.	if "\\$2"3.1"  .as oS \03.1
.	if "\\$2"3.2"  .as oS \03.2
.	if "\\$2"3.3"  .as oS \03.3
.	if "\\$2"3.4"  .as oS \03.4
.	if "\\$2"3.5"  .as oS \03.5
.	if "\\$2"3.6"  .as oS \03.6
.	if "\\$2"3.7"  .as oS \03.7
.	if "\\$2"3.8"  .as oS \03.8
.	if "\\$2"3.9"  .as oS \03.9
.	if "\\$2"4.0"  .as oS \04.0
.	if "\\$2"4.1"  .as oS \04.1
.\}
.if "\\*(oS"Null" .ds oS \0\\$1
.if "\\*(aa"Non-Null" .as oS \0\\$2
.rm aa
..
.de Dd
.if !"\\*(dD"" .nr gX 1
.ie \\n(.$>0 \{\
.	ie "\\$1"$Mdocdate" \{\
.		ds dD \\$2 \\$3, \\$4
.	\}
.	el \{\
.		ie \\n(.$==3 \{\
.			ds dD \\$1 \\$2 \\$3
.		\}
.		el \{\
.			if "\\n(mo"1"  .ds dD January
.			if "\\n(mo"2"  .ds dD February
.			if "\\n(mo"3"  .ds dD March
.			if "\\n(mo"4"  .ds dD April
.			if "\\n(mo"5"  .ds dD May
.			if "\\n(mo"6"  .ds dD June
.			if "\\n(mo"7"  .ds dD July
.			if "\\n(mo"8"  .ds dD August
.			if "\\n(mo"9"  .ds dD September
.			if "\\n(mo"10" .ds dD October
.			if "\\n(mo"11" .ds dD November
.			if "\\n(mo"12" .ds dD December
.			nr *year \\n(yr+1900
.			as dD \&\ \\n(dy, \\n[*year]
.		\}
.	\}
.\}
.el \{\
.	ds dD Epoch
.\}
..
.de hM
.ev 1
.pL
.if !\\n(cR 'sp \\n(Hmu
.tl @\\*(Hs\\*(hT\fP@\\*(Vs\\*(vT\fP@\\*(Hs\\*(hT\fP@
'sp \\n(Hmu
.ev
..
.de fM
.ie \\n(cR 'br
.el \{\
.	ev 1
.	pL
.	if !\\n(cR \{\
'		sp \\n(Fmu
.		tl @\\*(Hs\\*(oS\fP@\\*(Vs\\*(dD\fP@%@
'		bp
.	\}
.	ev
.\}
..
.de lM
.\" We may still have a partial line in the environment.  If this is the case,
.\" and we happen to be on the last line of the page, the .fl will cause the
.\" page to be ejected and troff will immediately exit.  If we're in nroff
.\" mode, this would be unfortunate, since we would never get a chance to
.\" output the footer.  So we fudge the page length, to make sure that the
.\" last page is never ejected until we want it to be.
.if \\n(cR .pl +3v
.fl
.if \\n(cR \{\
'	sp
.	tl @\\*(Hs\\*(oS\fP@\\*(Vs\\*(dD\fP@%@
.       pl \\n(nlu
.\}
..
.de Pp
.sp \\n(Ppu
.if !\\n(cR .ne 2
.ns
..
.de Lp
.Pp
..
.de LP
.tm Not a \-mdoc command: .LP
..
.de PP
.tm Not a \-mdoc command: .PP
..
.de pp
.tm Not a \-mdoc command: .pp
..
.de Nd
\&\-\& \\$1 \\$2 \\$3 \\$4 \\$5 \\$6 \\$7 \\$8 \\$9
..
.de Ss
.sp
.if !\\n(cR .ne 3
.ti -.25i
\&\\*(sH\\$1 \|\\$2 \|\\$3 \|\\$4 \|\\$5 \|\\$6 \|\\$7 \|\\$8 \|\\$9
\&\fP\s0
.ta .5i 1i 1.5i 2i 2.5i 3i 3.5i 4i 4.5i 5i 5.5i 6i 6.5i
.if !\\n(cR .ne 2
.br
..
.de Rd
.tm MDOC REGISTER DUMP
.tm Db==\\n(Db register DEBUG MODE
.tm L[0-9] registers - stack of list types
.tm L0==\\n(L0
.tm L1==\\n(L1
.tm L2==\\n(L2
.tm L3==\\n(L3
.tm L4==\\n(L4
.tm L5==\\n(L5
.tm L6==\\n(L6
.tm L7==\\n(L7
.tm L8==\\n(L8
.tm L9==\\n(L9
.tm O[0-9] registers - stack of indent
.tm O0==\\n(O0
.tm O1==\\n(O1
.tm O2==\\n(O2
.tm O3==\\n(O3
.tm O4==\\n(O4
.tm O5==\\n(O5
.tm O6==\\n(O6
.tm O7==\\n(O7
.tm O8==\\n(O8
.tm O9==\\n(O9
.tm aC==\\n(aC register argument counter (aV/fV)
.tm aJ==\\n(aJ register (for vR)
.tm aN==\\n(aN register
.tm aP==\\n(aP register argument pointer (aV)
.tm aT==\\n(aT register argument type
.tm aa==\\n(aa local register
.tm bK==\\n(bK register - Book Name flag
.tm cF==\\n(cF register save current font
.tm cI==\\n(cI register - column indent width
.tm cZ==\\n(cZ register save current font size
.tm dK==\\n(dK register - Date flag
.tm d[0-9] registers - display-type stack
.tm d0==\\n(d0
.tm d1==\\n(d1
.tm d2==\\n(d2
.tm d3==\\n(d3
.tm d4==\\n(d4
.tm d5==\\n(d5
.tm d6==\\n(d6
.tm d7==\\n(d7
.tm d8==\\n(d8
.tm d9==\\n(d9
.tm dZ==\\n(dZ register diversion count
.tm fD==\\n(fD register subroutine test (in synopsis only)
.tm fV==\\n(fV register argument counter (must set to \\n(.$ prior to
.tm fY==\\n(fY register - dick with old style function declarations (fortran)
.tm fZ==\\n(fZ register also subroutine count (in synopsis only)
.tm h[0-9] register horizontal tag stack (continuous if 1, break if
.tm h0==\\n(h0
.tm h1==\\n(h1
.tm h2==\\n(h2
.tm h3==\\n(h3
.tm h4==\\n(h4
.tm h5==\\n(h5
.tm h6==\\n(h6
.tm h7==\\n(h7
.tm h8==\\n(h8
.tm h9==\\n(h9
.tm iD==\\n(iD local register
.tm iI==\\n(iI local register (indent for inline debug mode)
.tm iN==\\n(iN register DEBUG MODE (inline if 1, to stderr if
.tm iS==\\n(iS register - indent second command line in a synopsis
.tm jK==\\n(jK register - [reference] Journal Name flag
.tm jM==\\n(jM local register
.tm jN==\\n(jN local register
.tm lC==\\n(lC register - list type stack counter
.tm lK==\\n(lK register count of lines read from input file
.tm nK==\\n(nK register - [reference] issue number flag
.tm nU==\\n(nU register count
.tm oK==\\n(oK register - [reference] optional information flag
.tm oM==\\n(oM register (extension possible)
.tm o[0-9] register offset stack (nested tags)
.tm o0==\\n(o0
.tm o1==\\n(o1
.tm o2==\\n(o2
.tm o3==\\n(o3
.tm o4==\\n(o4
.tm o5==\\n(o5
.tm o6==\\n(o6
.tm o7==\\n(o7
.tm o8==\\n(o8
.tm o9==\\n(o9
.tm oM==\\n(oM register open ended line flag
.tm pK==\\n(pK register - [reference] page number flag
.tm qK==\\n(qK register - Corporate or Foreign Author flag
.tm rK==\\n(rK register - [reference] report flag
.tm rS==\\n(rS register - Reference Start flag
.tm sM==\\n(sM register - default is one (space mode on)
.tm tK==\\n(tK register - reference title flag
.tm tP==\\n(tP register tag flag (for diversions)
.tm tX==\\n(tX register (initial class)
.tm tY==\\n(tY register (next possible lC value)
.tm t[0-9] register tag string stack (nested tags)
.tm t0==\\n(t0
.tm t1==\\n(t1
.tm t2==\\n(t2
.tm t3==\\n(t3
.tm t4==\\n(t4
.tm t5==\\n(t5
.tm t6==\\n(t6
.tm t7==\\n(t7
.tm t8==\\n(t8
.tm t9==\\n(t9
.tm uK==\\n(uK register - reference author(s) counter
.tm vK==\\n(vK register - reference volume flag
.tm v[0-9] register vertical tag break stack
.tm v0==\\n(v0
.tm v1==\\n(v1
.tm v2==\\n(v2
.tm v3==\\n(v3
.tm v4==\\n(v4
.tm v5==\\n(v5
.tm v6==\\n(v6
.tm v7==\\n(v7
.tm v8==\\n(v8
.tm v9==\\n(v9
.tm w[0-9] register tag stack (nested tags)
.tm w0==\\n(w0
.tm w1==\\n(w1
.tm w2==\\n(w2
.tm w3==\\n(w3
.tm w4==\\n(w4
.tm w5==\\n(w5
.tm w6==\\n(w6
.tm w7==\\n(w7
.tm w8==\\n(w8
.tm w9==\\n(w9
.tm xX==\\n(xX local register
.tm END OF REGISTER DUMP
..