.\" Copyright (c) 1991 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.
.\"
.\"     @(#)doc-common	5.7 (Berkeley) 8/5/91
.\"
.\"     %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 Ap 2
.nr An 12n
.nr Aq 12n
.nr Ar 12n
.nr Bc 3
.nr Bl 1
.nr Bo 12n
.nr Bq 12n
.nr Bx 12n
.nr Cd 12n
.nr Cm 10n
.nr Co 15n
.nr Cx 20n
.nr Dc 3
.nr Do 10n
.nr Dq 12n
.nr Ds 6n
.nr Dq 12n
.nr Dv 12n
.nr tI \n(Dsu
.nr Ec 3
.nr El 1
.nr Eo 12n
.nr Eq 12n
.nr Em 10n
.nr Er 12n
.nr Ev 15n
.nr Ex 10n
.nr Fa 12n
.nr Fl 10n
.nr Fc 3
.nr Fo 16n
.nr Fn 16n
.nr Hl 1
.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 Ql 16n
.nr Qc 3
.nr Qo 12n
.nr Qq 12n
.nr Sc 3
.nr So 12n
.nr Sq 12n
.nr Sy 6n
.nr Sx 16n
.nr Ra 1
.nr Rj 1
.nr Rn 1
.nr Ro 1
.nr Rr 1
.nr Rt 1
.nr Rv 1
.nr Tn 10n
.nr Ta 1
.nr Tv 1
.nr Tx 22n
.nr Ux 10n
.nr Va 12n
.nr Xc 3
.nr Xo 1
.nr Xr 10n
.nr Yr \n(yr+1900
.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( 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<=8 \{\
.			ds vT System Reference Manual
.			if \\$2>1 .if \\$2<6 .ds vT System Programmer's Manual
.			if "\\$2"8" .ds vT System Manager's 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 User's Supplementary Documents
.	if "\\$3"PS1"   .ds vT Programmers's Supplementary Documents
.	if "\\$3"AMD"   .ds vT Ancestral Manual Documents
.	if "\\$3"SMM"   .ds vT System Manager's Manual
.	if "\\$3"URM"   .ds vT Reference Manual
.	if "\\$3"PRM"   .ds vT Programmers's Manual
.	if "\\$3"IND"   .ds vT Manual Master Index
.\" .	if "\\$3"CON"   .ds vT Contributed Software Manual
.\" .	if "\\$3"IMP"	.ds vT Implementation Notes
.\" .	if "\\$3"HOW"	.ds vT How Pocket Manual
.	if "\\$3"LOCAL" .ds vT Local Manual
.	if "\\$3"tahoe" .as vT \ (Tahoe Architecture)
.	if "\\$3"vax" .as vT \ (VAX Architecture)
.	if "\\$3"hp300" .as vT \ (HP300 Architecture)
.	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 BSD Experimental
.\}
.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 BSD Experimental
.\}
.if "\\$1"Darwin" \{\
.       ds oS Darwin Operating System
.\}
.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(.$>0 \{\
.	ie \\n(.$==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
.		as dD \&\ \\n(dy, \\n(Yr
.	\}
.\}
.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
.\}
.\" .tm IN 444 fM .k == \\n(.k and nl == \\n(nl
..
.de lM
.fl
.if \\n(cR \{\
'	sp
.	tl @\\*(Hs\\*(oS\fP@\\*(Vs\\*(dD\fP@%@
.       pl \\n(nlu
.\}
..
.de Pp
.sp \\n(Ppu
.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
.ne 2
.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
..
