|  | .fp 1 R LuxiSans | 
|  | .fp 2 I LuxiSans-Oblique | 
|  | .fp 3 B LuxiSans-Bold | 
|  | .fp 4 BI LuxiSans-BoldOblique | 
|  | .fp 5 L LuxiMono | 
|  | .ds 9 /usr/local/plan9 | 
|  | .if n .uf 4 | 
|  | .if n .bd 3 | 
|  | .if n .rm bd | 
|  | '''\"	PWB Manual Entry Macros - 1.36 of 11/11/80 | 
|  | '''\"	Nroff/Troff Version	@(#)1.36 | 
|  | '''\"  Option -rs1 short (9") pages | 
|  | '''\"  Option -rp# set no. of first page, put no. of pgs. on stderr | 
|  | '''\"  Option -rd1 give modified date instead of printed date | 
|  | ... temporary fixes for neat manual printing... | 
|  | .de th | 
|  | .tm wrong version of man entry macros - use -man6 | 
|  | .ab | 
|  | .. | 
|  | .if n .ds Tm \uTM\d | 
|  | .if t .ds Tm \v'-0.5m'\s-4TM\s+4\v'0.5m' | 
|  | .de }E | 
|  | .}f | 
|  | .in \\n()Ru+\\n(INu | 
|  | .ll \\n(LLu | 
|  | .lt \\n(LLu | 
|  | .pl \\n()Lu | 
|  | .. | 
|  | .de DT | 
|  | .if t .ta 3.6m 7.2m 10.8m 14.4m 18m 21.6m 25.2m 28.8m 32.4m 36m 39.6m 43.2m 46.8m | 
|  | .if n .ta 5n 10n 15n 20n 25n 30n 35n 40n 45n 50n 55n 60n 65n | 
|  | .. | 
|  | .de HY | 
|  | .hy 14 | 
|  | .. | 
|  | .de }f | 
|  | .if t .vs \\n()Vp | 
|  | .ps \\n()S | 
|  | .ft 1 | 
|  | .. | 
|  | .de }H | 
|  | .ev 1 | 
|  | .}C | 
|  | .}E | 
|  | .ie \\n()s 'sp |2v | 
|  | .el 'sp |3v | 
|  | .". ps\\n()S-1 | 
|  | .tl \\*(]H\\*(]L\\*(]H | 
|  | .ft 1 | 
|  | .ps \\n()S | 
|  | .ie \\n()s 'sp 1.5v | 
|  | .el 'sp 3v | 
|  | .ev | 
|  | .ns | 
|  | .if \\n(CL .2C | 
|  | .. | 
|  | .de }F | 
|  | .ev 1 | 
|  | .}E | 
|  | .if \\n()s 'sp |\\n(.pu-1v-1p | 
|  | .if \\n()t 'sp |\\n(.pu-3v | 
|  | .if n 'sp |\\n(.pu-4v | 
|  | .if n .tl Page %\\*(]D\\*(]W | 
|  | .if t .tl % | 
|  | .ev | 
|  | 'bp | 
|  | .. | 
|  | .if n .ig | 
|  | .de }C | 
|  | .if "\\*(.T"aps"\{\ | 
|  | .	p o0i | 
|  | .	l t7.5i | 
|  | .	i f\\n()s .tl \l0.25i\l0.25i\h1i\l0.25i | 
|  | .	i f\\n()t .tl \l0.25i\l0.25i | 
|  | .	l t | 
|  | .	p o\} | 
|  | .. | 
|  | .de }M | 
|  | .}N | 
|  | .wh -.5p }C | 
|  | .ll \\n(LLu | 
|  | .}P | 
|  | .. | 
|  | .de }K | 
|  | .}N | 
|  | .pl 1 | 
|  | .ll \\n(LLu | 
|  | .. | 
|  | .de }P | 
|  | .nr )P \\n%+1-\\np | 
|  | .if \\nq .tm \\n(.F \\n()P \\np | 
|  | .bp | 
|  | .if \\nq .nr p \\n% | 
|  | .. | 
|  | .de TH | 
|  | .PD | 
|  | .nr IN \\n()Mu | 
|  | .if t .ds ]H \\$1\^(\^\\$2\^) | 
|  | .if n .ds ]H \\$1(\\$2) | 
|  | .if \\n()s .ds ]D | 
|  | .if \\n()t .ds ]D Plan 9 | 
|  | .if n .ds ]D Plan 9 | 
|  | .ds ]L | 
|  | .if !\\$3 .ds ]L (\^\\$3\^) | 
|  | .if !\\$4 .ds ]D \\$4 | 
|  | .wh 0 }H | 
|  | .wh -\\n(:mu }F | 
|  | .em }M | 
|  | .if \\n(nl .}P | 
|  | .nr )I \\n()Mu | 
|  | .nr )R 0 | 
|  | .}E | 
|  | .DT | 
|  | .if n \{.na | 
|  | .nh \} | 
|  | .if t \{.bd S 3 3 | 
|  | .HY \} | 
|  | \Xhtml <B> | 
|  | \Xhtml [<A HREF="/sys/man/index.html">manual index</A>] | 
|  | \Xhtml [<A HREF="/sys/man/\\$2/INDEX.html">section index</A>] | 
|  | \Xhtml </B> | 
|  | .. | 
|  | .de HR | 
|  | .ie '\\$2'' \\$4\X'html href \\$1'\fL\\$1\fP\X'html /href'\\$3 | 
|  | .el \\$4\X'html href \\$1'\\$2\X'html /href'\\$3 | 
|  | .. | 
|  | .de SH | 
|  | .PD | 
|  | .}X 0 "\\$1" | 
|  | .nr )E 2 | 
|  | \&\Xhtml <H4>\\$1 \|\\$2 \|\\$3 \|\\$4 \|\\$5 \|\\$6\Xhtml </H4> | 
|  | .. | 
|  | .de SS | 
|  | .PD | 
|  | .}X 3n "" "" | 
|  | .nr )E 2 | 
|  | \Xhtml <H4>\&\\$1 \|\\$2 \|\\$3 \|\\$4 \|\\$5 \|\\$6\Xhtml </H4> | 
|  | .. | 
|  | .de }X | 
|  | .}E | 
|  | .ti \\$1 | 
|  | .sp \\n(PDu | 
|  | .ne 1.1v | 
|  | .nr )R 0 | 
|  | .fi | 
|  | '''ss12 | 
|  | '''if\\$2SYNOPSIS .ss 18 | 
|  | .it 1 }N | 
|  | .if !\\$3 .SM | 
|  | .ft 3 | 
|  | .. | 
|  | .de }2 | 
|  | .nr )E 0 | 
|  | .}E | 
|  | .nr )I \\n()Mu | 
|  | .ns | 
|  | .ft 1 | 
|  | .. | 
|  | .de SM | 
|  | .nh | 
|  | .ps \\n()S-1 | 
|  | .if !\\$1 \&\\$1 | 
|  | .if !\\$2 \&\\$2 | 
|  | .if !\\$3 \&\\$3 | 
|  | .if !\\$4 \&\\$4 | 
|  | .if !\\$5 \&\\$5 | 
|  | .if !\\$6 \&\\$6 | 
|  | .if !\\$1 .ps \\n()S | 
|  | .if \\$1 .it 1 }N | 
|  | .HY | 
|  | .. | 
|  | .de I | 
|  | .nh | 
|  | .ft 2 | 
|  | .it 1 }N | 
|  | .if !\\$1 \&\\$1 \\$2 \\$3 \\$4 \\$5 \\$6 | 
|  | .HY | 
|  | .. | 
|  | .de B | 
|  | .nh | 
|  | .it 1 }N | 
|  | .ie !\\$1 \%\&\f5\\$1 \\$2 \\$3 \\$4 \\$5 \\$6 | 
|  | .el .ft5 | 
|  | .HY | 
|  | .. | 
|  | .de L | 
|  | .nh | 
|  | .it 1 }N | 
|  | .if t \{.ie!\\$1 \%\&\f5\\$1 \\$2 \\$3 \\$4 \\$5 \\$6 | 
|  | .el .ft5 \} | 
|  | .if n \{.ft5 | 
|  | .if !\\$1 \{.ie\\$2 `\\$1' | 
|  | .el .ie\\$3 `\\$1 \\$2' | 
|  | .el .ie\\$4 `\\$1 \\$2 \\$3' | 
|  | .el .ie\\$5 `\\$1 \\$2 \\$3 \\$4' | 
|  | .el .ie\\$6 `\\$1 \\$2 \\$3 \\$4 \\$5' | 
|  | .el `\\$1 \\$2 \\$3 \\$4 \\$5 \\$6'\}\} | 
|  | .HY | 
|  | .. | 
|  | .de RI | 
|  | .nh | 
|  | .}S 1 2 \& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
|  | .HY | 
|  | .}f | 
|  | .. | 
|  | .de IR | 
|  | .nh | 
|  | .}S 2 1 \& "\Xhtml manref start \\$1 \\$2\\$1" "\\$2\Xhtml manref end \\$1 \\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
|  | .HY | 
|  | .}f | 
|  | .. | 
|  | .de IB | 
|  | .nh | 
|  | .if t .}S 2 5 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
|  | .if n .}S 2 1 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
|  | .HY | 
|  | .}f | 
|  | .. | 
|  | .de RB | 
|  | .nh | 
|  | .if t .}S 1 5 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
|  | .if n .}S 1 1 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
|  | .HY | 
|  | .}f | 
|  | .. | 
|  | .de BR | 
|  | .nh | 
|  | .if t .}S 5 1 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
|  | .if n .}S 1 1 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
|  | .HY | 
|  | .}f | 
|  | .. | 
|  | .de BI | 
|  | .nh | 
|  | .if t .}S 5 2 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
|  | .if n .}S 1 2 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
|  | .HY | 
|  | .}f | 
|  | .. | 
|  | .de LR | 
|  | .nh | 
|  | .if t \%\&\f5\\$1\f1\\$2 | 
|  | .if n \%`\\$1'\\$2 | 
|  | .HY | 
|  | .. | 
|  | .de RL | 
|  | .nh | 
|  | .if t \%\&\f1\\$1\\f5\\$2\\f1\\$3 | 
|  | .if n \%\\$1`\\$2'\\$3 | 
|  | .HY | 
|  | .. | 
|  | .de }S | 
|  | .ds ]F | 
|  | .if \\$12 .if !\\$5 .ds ]F \^ | 
|  | .if \\$22 .if !\\$5 .ds ]F \^ | 
|  | .ie !\\$4 .}S \\$2 \\$1 "\\$3\f\\$1\\$4\\*(]F" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9" | 
|  | .el \\$3 | 
|  | .}f | 
|  | .. | 
|  | .de EX | 
|  | .if t .ft5 | 
|  | .nf | 
|  | .. | 
|  | .de EE | 
|  | .ft 1 | 
|  | .fi | 
|  | .. | 
|  | .de }p | 
|  | .sp \\n(PDu | 
|  | .ne 1.1v | 
|  | .}E | 
|  | .nr )I \\n()Mu | 
|  | .ns | 
|  | .. | 
|  | .de PP  \"indirect PP so we can attach html - see tmac.anhtml | 
|  | .}p | 
|  | .. | 
|  | .de P | 
|  | .PP | 
|  | .. | 
|  | .de LP | 
|  | .PP | 
|  | .. | 
|  | .de PD | 
|  | .if t .nr PD .4v | 
|  | .if n .nr PD 1v | 
|  | .if !\\$1 .nr PD \\$1v | 
|  | .. | 
|  | .de HP | 
|  | .sp \\n(PDu | 
|  | .ne 1.1v | 
|  | .if !\\$1 .nr )I \\$1n | 
|  | .ll \\n(LLu | 
|  | .in \\n()Ru+\\n(INu+\\n()Iu | 
|  | .ti \\n()Ru+\\n(INu | 
|  | .}f | 
|  | .. | 
|  | .de IP | 
|  | .ie !\\$1 \{.TP "\\$2" | 
|  | \&\\$1\} | 
|  | .el \{.sp\\n(PDu | 
|  | .ne 1.1v | 
|  | .if !\\$2 .nr )I \\$2n | 
|  | .}f | 
|  | .ll \\n(LLu | 
|  | .in \\n()Ru+\\n(INu+\\n()Iu | 
|  | .lg \} | 
|  | .. | 
|  | .de TP | 
|  | .if !\\$1 \{.nr )I \\$1n | 
|  | .if \\$10 .nr )I \\n()M\} | 
|  | .sp \\n(PDu | 
|  | .ne 1.1v | 
|  | .in \\n()Ru | 
|  | .lg 0 | 
|  | .ns | 
|  | .it 1 }N | 
|  | .nr )E 1 | 
|  | .di ]B | 
|  | .. | 
|  | .de TF | 
|  | .IP "" "\w'\f5\\$1\ \ \fP'u" | 
|  | .PD 0 | 
|  | .. | 
|  | .de }1 | 
|  | .ds ]X \&\\*(]B\\ | 
|  | .rm ]B | 
|  | .nr )E 0 | 
|  | .if !\\$1 .nr )I \\$1n | 
|  | .}f | 
|  | .ll \\n(LLu | 
|  | .in \\n()Ru+\\n(INu+\\n()Iu | 
|  | .ti \\n(INu | 
|  | .ie !\\n()Iu+\\n()Ru-\w\\*(]Xu-3p \{\\*(]X | 
|  | .br \} | 
|  | .el \\*(]X\h|\\n()Iu+\\n()Ru\c | 
|  | .}f | 
|  | .lg | 
|  | .. | 
|  | .de }N | 
|  | .if \\n()E .br | 
|  | .if \\n()E1 .di | 
|  | .if \\n()E0 .}f | 
|  | .if \\n()E1 .}1 | 
|  | .if \\n()E2 .}2 | 
|  | .. | 
|  | .de RS | 
|  | .nr ]\\n+()p \\n()I | 
|  | .nr )\\n()p \\n()R | 
|  | .ie !\\$1 .nr )R +\\$1n | 
|  | .el .nr )R +\\n()I | 
|  | .nr )I \\n()Mu | 
|  | .}E | 
|  | .. | 
|  | .de RE | 
|  | .if !\\$1 \{.ie \\$10 .nr )p 1 1 | 
|  | .el .nr )p \\$1 1 \} | 
|  | .ds ]i \\*(]I\\n()p | 
|  | .ds ]r \\*(]R\\n()p | 
|  | .nr )I \\*(]i | 
|  | .nr )R \\*(]r | 
|  | .if \\n()p .nr )p -1 | 
|  | .}E | 
|  | .. | 
|  | '''\"	.2C begin 2-column display, by diversion | 
|  | '''\"   CC=amount of text that will fit on page | 
|  | '''\"	CL=1 multicolumn in effect, else 0 | 
|  | '''\"	CI saved indent | 
|  | '''\"	CB contains diverted text | 
|  | .de 2C | 
|  | .ne 2 | 
|  | .nf | 
|  | .nr CC \\n(.t/1v*2v | 
|  | .nr CI \\n(IN | 
|  | .nr IN 0 | 
|  | .di CB | 
|  | .nr CL 1 | 
|  | .}E | 
|  | .dt \\n(CCu C1 | 
|  | .. | 
|  | '''\"	.1C return to 1-column | 
|  | .de 1C | 
|  | .nr CL 0 | 
|  | .C1 | 
|  | .fi | 
|  | .. | 
|  | '''\"	end of diversion, at end of page or return to 1-column | 
|  | '''\"	CC=pos of nominal column end | 
|  | .de C1 | 
|  | .dt | 
|  | \!.C3 | 
|  | .di | 
|  | .if \\n(dn \{.nr CC \\n(dnu/2u+\\n(nlu | 
|  | .wh \\n(CCu C2 | 
|  | .mk | 
|  | .nf | 
|  | .nr IN \\n(CIu | 
|  | .}E | 
|  | .CB \} | 
|  | .. | 
|  | '''\"	end of first column retrieved from diversion | 
|  | '''\"	CC=pos of actual column end | 
|  | .de C2 | 
|  | .wh \\n(CCu | 
|  | .mk CC | 
|  | .po +(\\n(LLu/2u)u | 
|  | .rt | 
|  | .if \\n(dn>1v .ns | 
|  | .. | 
|  | '''\"	end of second column | 
|  | .de C3 | 
|  | .br | 
|  | .po -(\\n(LLu/2u)u | 
|  | .if \\n(CC>\\n(nl .sp |\\n(CCu | 
|  | .ne 2 | 
|  | .. | 
|  | .de PM | 
|  | .if \\$1 .nr !K 0 | 
|  | .if \w\\$1 \{\ | 
|  | .ie \\$1P .nr !K 1 | 
|  | .el .ie \\$1BP .nr !K 3 | 
|  | .el .ie \\$1BR .nr !K 4 | 
|  | .el .nr !K 2 \} | 
|  | .if \\n(!K .wh -(\\n(:mu+5v) )G | 
|  | .. | 
|  | .de )G | 
|  | .if \\n(!K 'sp 2v | 
|  | .ie \\n(!K=1 \{\ | 
|  | .ie t .bd1 3 | 
|  | .el .bd1 0 | 
|  | .tl PRIVATE | 
|  | .bd 1 | 
|  | .tl This information should not be disclosed to unauthorized persons. | 
|  | .tl It is meant solely for use by authorized Bell System employees. \} | 
|  | .el .ie \\n(!K=3 \{\ | 
|  | .ie t .bd1 3 | 
|  | .el .bd1 0 | 
|  | .tl BELL LABORATORIES PROPRIETARY | 
|  | .bd 1 | 
|  | .tl Not for use or disclosure outside Bell Laboratories except by | 
|  | .tl written approval of the director of the distributing organization. \} | 
|  | .el .ie \\n(!K=4 \{\ | 
|  | .ie t .bd1 3 | 
|  | .el .bd1 0 | 
|  | .tl BELL LABORATORIES RESTRICTED | 
|  | .bd 1 | 
|  | .tl The information herein is meant solely for use by authorized | 
|  | .tl Bell Laboratories employees and is not to be disclosed to others. \} | 
|  | .el .if \\n(!K=2 \{\ | 
|  | .ie t .bd1 3 | 
|  | .el .bd1 0 | 
|  | .tl NOTICE | 
|  | .bd 1 | 
|  | .tl Not for use or disclosure outside the | 
|  | .tl Bell System except under written agreement. \} | 
|  | .. | 
|  | .nr )s 0 | 
|  | .if t .if \ns .nr )s 1 | 
|  | .nr )t 0 | 
|  | .if t .if !\ns .nr )t 1 | 
|  | .if \n()s \{.nr )L 9i | 
|  | .nr LL 4.75i | 
|  | .nr )O .75i | 
|  | .nr )S 8 | 
|  | .nr )V 9 \} | 
|  | .if \n()t \{.nr )L 11i | 
|  | .nr LL 6.5i | 
|  | .nr )O 1i | 
|  | .nr )S 9 | 
|  | .nr )V 11 \} | 
|  | .if t \{.ds R ® | 
|  | .ds S \s\n()S | 
|  | ..\} | 
|  | .if n \{.nr )L 11i | 
|  | .nr LL 6.5i | 
|  | .nr )O .463i | 
|  | .if '\*(.T'think' \{.nrLL 80n | 
|  | .nr )O 0\} | 
|  | .if '\*(.T'thinksmall' \{.nrLL 142n | 
|  | .vs 9p | 
|  | .nr )O 0\} | 
|  | .ds R (Reg.) | 
|  | .ds S | 
|  | ..\} | 
|  | .if \nT .nr LL 80n | 
|  | .if \nV>1 \{ | 
|  | .nr LL 82n | 
|  | .nr )L 84v | 
|  | .rm ul \} | 
|  | .nr )p 0 1 | 
|  | .ds ]I \\\\n(] | 
|  | .ds ]R \\\\n() | 
|  | .if \nd0 .nr m \n(mo-1 | 
|  | .if \nm0 .ds ]m January | 
|  | .if \nm1 .ds ]m February | 
|  | .if \nm2 .ds ]m March | 
|  | .if \nm3 .ds ]m April | 
|  | .if \nm4 .ds ]m May | 
|  | .if \nm5 .ds ]m June | 
|  | .if \nm6 .ds ]m July | 
|  | .if \nm7 .ds ]m August | 
|  | .if \nm8 .ds ]m September | 
|  | .if \nm9 .ds ]m October | 
|  | .if \nm10 .ds ]m November | 
|  | .if \nm11 .ds ]m December | 
|  | .if n \{.nr m \nm+1 | 
|  | .nr yD (\n(yr%100 | 
|  | .af yD 01 | 
|  | .ie \nd .ds ]W (last mod. \nm/\nd/\ny) | 
|  | .el .ds ]W (printed \n(mo/\n(dy/\n(yD) | 
|  | ..\} | 
|  | .if \n()s .ds ]W | 
|  | .if \n()t \{.ie \nd .ds ]W \*(]m \nd, 20\ny | 
|  | .el .ds ]W \*(]m \n(dy, 20\n(yr | 
|  | ..\} | 
|  | .pl \n()Lu | 
|  | .ll \n(LLu | 
|  | .lt \n(LLu | 
|  | .po \n()Ou | 
|  | .if t .tr \``\'' | 
|  | .}f | 
|  | .if \n()s .nr :m 3.5v | 
|  | .if \n()t .nr :m 6v | 
|  | .if n .nr :m 7v | 
|  | .if t .nr )M 3.6m | 
|  | .if n .nr )M 5n | 
|  | .em }K | 
|  | .nr q \np | 
|  | .if !\np .nr p 1 | 
|  | .pn \np |