| '''\"	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... | 
 | .deth | 
 | .tmwrong version of man entry macros - use -man6 | 
 | .ab | 
 | .. | 
 | .ifn .ds Tm \uTM\d | 
 | .ift .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 | 
 | .. | 
 | .deDT | 
 | .ift .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 | 
 | .ifn .ta 5n 10n 15n 20n 25n 30n 35n 40n 45n 50n 55n 60n 65n | 
 | .. | 
 | .de HY | 
 | .hy14 | 
 | .. | 
 | .de}f | 
 | .ift .vs \\n()Vp | 
 | .ps\\n()S | 
 | .ft1 | 
 | .. | 
 | .de}H | 
 | .ev1 | 
 | .}C | 
 | .}E | 
 | .ie\\n()s 'sp |2v | 
 | .el'sp |3v | 
 | .".ps\\n()S-1 | 
 | .tl \\*(]H\\*(]L\\*(]H | 
 | .ft1 | 
 | .ps\\n()S | 
 | .ie\\n()s 'sp 1.5v | 
 | .el'sp 3v | 
 | .ev | 
 | .ns | 
 | .if \\n(CL .2C | 
 | .. | 
 | .de}F | 
 | .ev1 | 
 | .}E | 
 | .if\\n()s 'sp |\\n(.pu-1v-1p | 
 | .if\\n()t 'sp |\\n(.pu-3v | 
 | .ifn 'sp |\\n(.pu-4v | 
 | .ifn .tl Page %\\*(]D\\*(]W | 
 | .ift .tl % | 
 | .ev | 
 | 'bp | 
 | .. | 
 | .ifn .ig | 
 | .de}C | 
 | .if "\\*(.T"aps"\{\ | 
 | .	po0i | 
 | .	lt7.5i | 
 | .	if\\n()s .tl \l0.25i\l0.25i\h1i\l0.25i | 
 | .	if\\n()t .tl \l0.25i\l0.25i | 
 | .	lt | 
 | .	po\} | 
 | .. | 
 | .de}M | 
 | .}N | 
 | .wh-.5p }C | 
 | .ll\\n(LLu | 
 | .}P | 
 | .. | 
 | .de}K | 
 | .}N | 
 | .pl1 | 
 | .ll\\n(LLu | 
 | .. | 
 | .de}P | 
 | .nr )P \\n%+1-\\np | 
 | .if \\nq .tm \\n(.F \\n()P \\np | 
 | .bp | 
 | .if \\nq .nr p \\n% | 
 | .. | 
 | .deTH | 
 | .PD | 
 | .nrIN \\n()Mu | 
 | .ift .ds ]H \\$1\^(\^\\$2\^) | 
 | .ifn .ds ]H \\$1(\\$2) | 
 | .if\\n()s .ds ]D | 
 | .if\\n()t .ds ]D Plan 9 | 
 | .ifn .ds ]D Plan 9 | 
 | .ds]L | 
 | .if!\\$3 .ds ]L (\^\\$3\^) | 
 | .if!\\$4 .ds ]D \\$4 | 
 | .wh0 }H | 
 | .wh-\\n(:mu }F | 
 | .em}M | 
 | .if\\n(nl .}P | 
 | .nr)I \\n()Mu | 
 | .nr)R 0 | 
 | .}E | 
 | .DT | 
 | .ifn \{.na | 
 | .nh\} | 
 | .ift \{.bd S 3 3 | 
 | .HY \} | 
 | .. | 
 | .deSH | 
 | .PD | 
 | .}X 0 "\\$1" smaller | 
 | .nr)E 2 | 
 | \&\\$1 \|\\$2 \|\\$3 \|\\$4 \|\\$5 \|\\$6 | 
 | .. | 
 | .deSS | 
 | .PD | 
 | .}X 3n "" "" | 
 | .nr)E 2 | 
 | \&\\$1 \|\\$2 \|\\$3 \|\\$4 \|\\$5 \|\\$6 | 
 | .. | 
 | .de}X | 
 | .}E | 
 | .ti\\$1 | 
 | .sp\\n(PDu | 
 | .ne1.1v | 
 | .nr)R 0 | 
 | .fi | 
 | '''ss12 | 
 | '''if\\$2SYNOPSIS .ss 18 | 
 | .it1 }N | 
 | .if!\\$3 .SM | 
 | .ft 3 | 
 | .. | 
 | .de}2 | 
 | .nr)E 0 | 
 | .}E | 
 | .nr)I \\n()Mu | 
 | .ns | 
 | .ft1 | 
 | .. | 
 | .deSM | 
 | .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 | 
 | .. | 
 | .deI | 
 | .nh | 
 | .ft2 | 
 | .it1 }N | 
 | .if!\\$1 \&\\$1 \\$2 \\$3 \\$4 \\$5 \\$6 | 
 | .HY | 
 | .. | 
 | .deB | 
 | .nh | 
 | .it1 }N | 
 | .ie!\\$1 \%\&\f5\\$1 \\$2 \\$3 \\$4 \\$5 \\$6 | 
 | .el .ft5 | 
 | .HY | 
 | .. | 
 | .deL | 
 | .nh | 
 | .it1 }N | 
 | .ift \{.ie!\\$1 \%\&\f5\\$1 \\$2 \\$3 \\$4 \\$5 \\$6 | 
 | .el .ft5 \} | 
 | .ifn \{.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 | 
 | .. | 
 | .deRI | 
 | .nh | 
 | .}S 1 2 \& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
 | .HY | 
 | .}f | 
 | .. | 
 | .deIR | 
 | .nh | 
 | .}S 2 1 \& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
 | .HY | 
 | .}f | 
 | .. | 
 | .deIB | 
 | .nh | 
 | .ift .}S 2 5 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
 | .ifn .}S 2 1 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
 | .HY | 
 | .}f | 
 | .. | 
 | .deRB | 
 | .nh | 
 | .ift .}S 1 5 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
 | .ifn .}S 1 1 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
 | .HY | 
 | .}f | 
 | .. | 
 | .deBR | 
 | .nh | 
 | .ift .}S 5 1 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
 | .ifn .}S 1 1 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
 | .HY | 
 | .}f | 
 | .. | 
 | .deBI | 
 | .nh | 
 | .ift .}S 5 2 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
 | .ifn .}S 1 2 \%\& "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" | 
 | .HY | 
 | .}f | 
 | .. | 
 | .de LR | 
 | .nh | 
 | .ift \%\&\f5\\$1\f1\\$2 | 
 | .ifn \%`\\$1'\\$2 | 
 | .HY | 
 | .. | 
 | .de RL | 
 | .nh | 
 | .ift \%\&\f1\\$1\\f5\\$2\\f1\\$3 | 
 | .ifn \%\\$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 | 
 | .. | 
 | .deEX | 
 | .ift .ft5 | 
 | .nf | 
 | .. | 
 | .deEE | 
 | .ft1 | 
 | .fi | 
 | .. | 
 | .dePP | 
 | .sp\\n(PDu | 
 | .ne1.1v | 
 | .}E | 
 | .nr)I \\n()Mu | 
 | .ns | 
 | .. | 
 | .deP | 
 | .PP | 
 | .. | 
 | .deLP | 
 | .PP | 
 | .. | 
 | .dePD | 
 | .ift .nr PD .4v | 
 | .ifn .nr PD 1v | 
 | .if!\\$1 .nr PD \\$1v | 
 | .. | 
 | .deHP | 
 | .sp\\n(PDu | 
 | .ne1.1v | 
 | .if!\\$1 .nr )I \\$1n | 
 | .ll\\n(LLu | 
 | .in\\n()Ru+\\n(INu+\\n()Iu | 
 | .ti\\n()Ru+\\n(INu | 
 | .}f | 
 | .. | 
 | .deIP | 
 | .ie!\\$1 \{.TP "\\$2" | 
 | \&\\$1\} | 
 | .el\{.sp\\n(PDu | 
 | .ne1.1v | 
 | .if!\\$2 .nr )I \\$2n | 
 | .}f | 
 | .ll\\n(LLu | 
 | .in\\n()Ru+\\n(INu+\\n()Iu | 
 | .lg\} | 
 | .. | 
 | .deTP | 
 | .if!\\$1 \{.nr )I \\$1n | 
 | .if\\$10 .nr )I \\n()M\} | 
 | .sp\\n(PDu | 
 | .ne1.1v | 
 | .in\\n()Ru | 
 | .lg0 | 
 | .ns | 
 | .it1 }N | 
 | .nr)E 1 | 
 | .di]B | 
 | .. | 
 | .deTF | 
 | .IP "" "\w'\f5\\$1\ \ \fP'u" | 
 | .PD0 | 
 | .. | 
 | .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 | 
 | .. | 
 | .deRS | 
 | .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 | 
 | .. | 
 | .deRE | 
 | .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 | 
 | .. | 
 | .dePM | 
 | .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 \{\ | 
 | .iet .bd1 3 | 
 | .el.bd1 0 | 
 | .tlPRIVATE | 
 | .bd1 | 
 | .tlThis information should not be disclosed to unauthorized persons. | 
 | .tlIt is meant solely for use by authorized Bell System employees. \} | 
 | .el.ie \\n(!K=3 \{\ | 
 | .iet .bd1 3 | 
 | .el.bd1 0 | 
 | .tlBELL LABORATORIES PROPRIETARY | 
 | .bd1 | 
 | .tlNot for use or disclosure outside Bell Laboratories except by | 
 | .tlwritten approval of the director of the distributing organization. \} | 
 | .el.ie \\n(!K=4 \{\ | 
 | .iet .bd1 3 | 
 | .el.bd1 0 | 
 | .tlBELL LABORATORIES RESTRICTED | 
 | .bd1 | 
 | .tlThe information herein is meant solely for use by authorized | 
 | .tlBell Laboratories employees and is not to be disclosed to others. \} | 
 | .el.if \\n(!K=2 \{\ | 
 | .iet .bd1 3 | 
 | .el.bd1 0 | 
 | .tlNOTICE | 
 | .bd1 | 
 | .tlNot for use or disclosure outside the | 
 | .tlBell System except under written agreement. \} | 
 | .. | 
 | .nr)s 0 | 
 | .ift .if \ns .nr )s 1 | 
 | .nr)t 0 | 
 | .ift .if !\ns .nr )t 1 | 
 | .if\n()s \{.nr )L 9i | 
 | .nrLL 4.75i | 
 | .nr)O .75i | 
 | .nr)S 9 | 
 | .nr)V 10 \} | 
 | .if\n()t \{.nr )L 11i | 
 | .nrLL 6.5i | 
 | .nr)O 1i | 
 | .nr)S 10 | 
 | .nr)V 12 \} | 
 | .ift \{.ds R \(rg | 
 | .dsS \s\n()S | 
 | ..\} | 
 | .ifn \{.nr )L 11i | 
 | .nrLL 6.5i | 
 | .nr)O .463i | 
 | .if '\*(.T'think' \{.nrLL 80n | 
 | .nr)O 0\} | 
 | .if '\*(.T'thinksmall' \{.nrLL 142n | 
 | .vs 9p | 
 | .nr)O 0\} | 
 | .dsR (Reg.) | 
 | .dsS | 
 | ..\} | 
 | .if\nT .nr LL 80n | 
 | .if\nV>1 \{ | 
 | .nrLL 82n | 
 | .nr)L 84v | 
 | .rmul \} | 
 | .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 | 
 | .ifn \{.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 | 
 | .fp 5 L CW | 
 | .ift .tr \``\'' | 
 | .}f | 
 | .if\n()s .nr :m 3.5v | 
 | .if\n()t .nr :m 6v | 
 | .ifn .nr :m 7v | 
 | .ift .nr )M 3.6m | 
 | .ifn .nr )M 5n | 
 | .em}K | 
 | .nr q \np | 
 | .if!\np .nr p 1 | 
 | .pn \np |