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(xit, crread, crwrite, cre)-.15 E(xch, crprior)-.15 E/F2 10/Symbol SF(-)
2.5 E F0(coroutine scheme)2.5 E F1(SYNOPSIS)72 152.4 Q/F3 10
/Times-Bold@0 SF(int crf)108 163.4 Q(ork\()-.25 E F0([)2.5 E F3
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174.4 Q(int nw)108 185.4 Q(ords;)-.1 E(cr)108 201.44 Q(exit\(\))-.18 E
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(int nbytes;)108 299.52 Q(cr)108 315.56 Q(exch\(conn1, conn2, i\))-.18 E
(int *conn1[2], *conn2[2];)108 326.56 Q(int i;)108 337.56 Q(#def)108
353.6 Q(ine logical char *)-.25 E(cr)108 364.6 Q(prior\(p\))-.1 E
(logical p;)108 375.6 Q F1(DESCRIPTION)72 393.8 Q F0 .02
(These functions are named by analogy to)108 404.8 R/F4 10
/Times-Italic@0 SF .019(fork, e)2.519 F .019(xit, r)-.2 F .019
(ead, write)-.37 F F0 2.519(\(II\). The)2.519 F 2.519(ye)-.15 G .019
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(Coroutines are placed on queues to indicate their state of readiness.)
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(ys distinguished).1 F 1.264(as `running'.)108 453.84 R 1.264
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F 1.265(gistered on a `ready queue'.)-.15 F 1.265(The head)6.265 F
(member of the ready queue is started whene)108 464.84 Q -.15(ve)-.25 G
2.5(rn).15 G 2.5(oo)-2.5 G(ther coroutine is specif)-2.5 E
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480.88 R 2.553(oq)-.1 G(ueues:)-2.553 E F4(Connector[0])2.553 E F0 .053
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(Connector[1])5 E F0(is the queue of)2.5 E F4(crwrites.)2.5 E F0
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(is normally called with no ar)4.184 F 4.184(guments. It)-.18 F 1.684
(places the running coroutine at the head of the ready)4.184 F 1.323
(queue, creates a ne)108 518.92 R 3.823(wc)-.25 G 1.323
(oroutine, and starts the ne)-3.823 F 3.822(wo)-.25 G 1.322(ne running.)
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F(w)-.25 E(coroutine with v)108 529.92 Q
(alue 0, and upon restarting of the old coroutine with v)-.25 E(alue 1.)
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(copies characters from the)3.482 F F4 -.2(bu)3.482 G -.18(ff).2 G(er)
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(write queue to the)3.483 F F4 -.2(bu)108 573 S -.18(ff).2 G(er).18 E F0
(of)2.717 E F4(crr)2.717 E(ead.)-.37 E F0 .217
(If the write queue is empty)5.217 F 2.717(,c)-.65 G(op)-2.717 E .217
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(The number of characters copied is the minimum of)5.761 F F4(nbytes)
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(crwrite)2.923 E F0 .423(is mo)2.923 F -.15(ve)-.15 G 2.923(dt).15 G
2.923(ot)-2.923 G .423(he head of the ready queue.)-2.923 F .422
(If the write queue remains nonempty)5.423 F 2.922(,t)-.65 G .422
(he head mem-)-2.922 F(ber of the read queue is mo)108 628 Q -.15(ve)
-.15 G 2.5(dt).15 G 2.5(ot)-2.5 G(he head of the ready queue.)-2.5 E F4
(Crwrite)108 644.04 Q F0 .248(queues the running coroutine on the)2.748
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(=0; and it e)B .196(xchanges the write queues)-.15 F(if)108 693.08 Q F4
(i)3.323 E F0 3.323(=1. If)B 3.322(an)3.322 G .822(onempty read queue t\
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(sets a priority on the running coroutine to control the queuing of)
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F .43(xceed its o)-.15 F .43(wn priority)-.25 F .178(and after others.)
108 127 R .178(Priorities are compared as logical,)5.178 F F1(i.e)2.679
E(.)-.15 E F0 .179(unsigned, quantities.)5.179 F .179
(Initially each coroutine')5.179 F 2.679(sp)-.55 G(ri-)-2.679 E
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(ault queuing is FIFO.)-.1 E/F2 10/Times-Bold@0 SF 1.114
(Storage allocation.)108 154.04 R F0 1.114(The old and ne)6.114 F 3.614
(wc)-.25 G 1.114(oroutine share the same acti)-3.614 F -.25(va)-.25 G
1.113(tion record in the function that in-).25 F -.2(vo)108 165.04 S -.1
(ke).2 G(d).1 E F1(crfork,)3.25 E F0 .75
(so only one may return from the in)3.25 F -.2(vo)-.4 G .751
(king function, and then only when the other has com-).2 F(pleted e)108
176.04 Q -.15(xe)-.15 G(cution in that function.).15 E .23(The acti)108
192.08 R -.25(va)-.25 G .23(tion record for each function e).25 F -.15
(xe)-.15 G .229(cution is dynamically allocated rather than stack).15 F
.229(ed; a f)-.1 F .229(actor of 3)-.1 F .398(in running time o)108
203.08 R -.15(ve)-.15 G .398(rhead can result if function calls are v)
.15 F .398(ery frequent.)-.15 F .398(The o)5.398 F -.15(ve)-.15 G .399
(rhead may be o).15 F -.15(ve)-.15 G .399(rcome by).15 F(pro)108 214.08
Q .932(viding a separate stack for each coroutine and dispensing with d\
ynamic allocation.)-.15 F .931(The base \(lo)5.931 F(west\))-.25 E .017
(address and size of the ne)108 225.08 R 2.517(wc)-.25 G(oroutine')
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2.517 E F0 .017(as optional ar)2.517 F(guments)-.18 E F1(stac)2.517 E(k)
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(ed in one run.)-.15 F -.15(Fo)5.837 G 3.337(rs).15 G(tack)-3.337 E .837
(ed operation, obtain the)-.1 F(coroutine functions from)108 247.08 Q F1
(/usr/lib/scr)2.5 E(.a)-1.11 E F0(instead of)2.5 E F1(/usr/lib/cr)2.5 E
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276.28 Q(.a)-.55 E(/usr/lib/scr)108 287.28 Q(.a)-.55 E F3(DIA)72 305.48
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(an old C compilation has called `rsa)3.604 F -.15(ve)-.2 G 3.605('. It)
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(coroutine scheme.)108 327.48 Q F3 -.08(BU)72 345.68 S(GS).08 E F0 .251
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108 214.6 Q(iltered through)-.2 E F4(col)2.5 E F0(\(I\).)2.5 E .12
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(age.)-2.25 E 38.997(.2C no)72 159.08 R 21.753(yes T)45 F .18 -.09(wo c)
-.72 H(olumn format.).09 E 36.999(.AB no)72 170.08 R 21.753(yes Be)45 F
(gin abstract.)-.135 E 37.503(.AE -)72 181.08 R 21.753(yes End)51.003 F
(abstract.)2.25 E 40.005(.AI no)72 192.08 R 21.753(yes Author')45 F 2.25
(si)-.495 G(nstitution follo)-2.25 E 2.25(ws. Suppressed)-.225 F(in TM.)
2.25 E(.A)72 203.08 Q(U)-.495 E/F2 9/Times-Italic@0 SF 2.25(xy)2.25 G F1
42.75(no yes)24.507 F(Author')24.003 E 2.25(sn)-.495 G(ame follo)-2.25 E
(ws.)-.225 E F2(x)4.5 E F1(is location and)2.25 E F2(y)2.25 E F1(is e)
2.25 E(xtension, ignored e)-.135 E(xcept in TM.)-.135 E 43.497(.B no)72
214.08 R 24.75(no Boldf)45 F(ace te)-.09 E(xt follo)-.135 E(ws.)-.225 E
(.CS)72 225.08 Q F2(x...)3.701 E F1 51.003(-y)27.747 G 21.753(es Co)
-51.003 F -.135(ve)-.135 G 3.701(rs).135 G 1.452
(heet info if TM format, suppressed otherwise.)-3.701 F(Ar)5.952 E 1.452
(guments are number of te)-.162 F(xt)-.135 E
(pages, other pages, total pages, f)216 236.08 Q
(igures, tables, references.)-.18 E(.D)72 247.08 Q(A)-.36 E F2(x)2.25 E
F1(nrof)32.868 E 36.234(fn)-.225 G 27(o`)-36.234 G
(Date line' at bottom of page is)-27 E F2(x)2.25 E F1 4.5(.D)C(ef)-4.5 E
(ault is today)-.09 E(.)-.585 E 37.503(.DE -)72 258.08 R 21.753(yes End)
51.003 F(displayed te)2.25 E 2.25(xt. Implies)-.135 F(.KE.)2.25 E(.DS)72
269.08 Q F2(x)2.277 E F1 42.75(no yes)34.002 F .027
(Start of displayed te)24.003 F .026(xt, to appear v)-.135 F .026
(erbatim line-by-line.)-.135 F F2(x)4.526 E F1 .026
(=I for indented display \(def)B(ault\),)-.09 E F2(x)216 280.08 Q F1
(=L for left-justif)A(ied on the page,)-.18 E F2(x)2.25 E F1
(=C for centered.)A(Implies .KS.)4.5 E 37.503(.EN -)72 291.08 R 21.753
(yes Space)51.003 F(after equation produced by)2.25 E F2(eqn)2.25 E F1
(or)2.25 E F2(neqn.)2.25 E F1(.EQ)72 302.08 Q F2(x)2.25 E F1 51.003(-y)
33.507 G 21.753(es Space)-51.003 F(before equation.)2.25 E
(Equation number is)4.5 E F2(x)2.25 E F1(.)A 38.997(.FE -)72 313.08 R
21.753(yes End)51.003 F(footnote.)2.25 E 39.492(.FS no)72 324.08 R 24.75
(no Start)45 F 2.25(footnote. The)2.25 F(note will be mo)2.25 E -.135
(ve)-.135 G 2.25(dt).135 G 2.25(ot)-2.25 G(he bottom of the page.)-2.25
E 36.504(.HO -)72 335.08 R 24.75(no `Bell)51.003 F
(Laboratories, Holmdel, Ne)2.25 E 2.25(wJ)-.225 G(erse)-2.25 E 2.25(y0)
-.135 G(7733'.)-2.25 E 46.503(.I no)72 346.08 R 24.75(no Italic)45 F(te)
2.25 E(xt follo)-.135 E(ws.)-.225 E(.IP)72 357.08 Q F2 2.25(xy)2.25 G F1
42.75(no yes)29.007 F(Start indented paragraph, with hanging tag)24.003
E F2(x)2.25 E F1 4.5(.I)C(ndentation is)-4.5 E F2(y)2.25 E F1(ens \(def)
2.25 E(ault 5\).)-.09 E 37.503(.KE -)72 368.08 R 21.753(yes End)51.003 F
-.09(ke)2.25 G 2.25(ep. Put).09 F -.09(ke)2.25 G(pt te).09 E(xt on ne)
-.135 E(xt page if not enough room.)-.135 E 37.998(.KF no)72 379.08 R
21.753(yes Start)45 F .464(floating k)2.714 F 2.714(eep. If)-.09 F .465
(the k)2.715 F .465(ept te)-.09 F .465(xt must be mo)-.135 F -.135(ve)
-.135 G 2.715(dt).135 G 2.715(ot)-2.715 G .465(he ne)-2.715 F .465
(xt page, float later te)-.135 F .465(xt back)-.135 F(to this page.)216
390.08 Q 37.998(.KS no)72 401.08 R 21.753(yes Start)45 F -.09(ke)2.25 G
(eping follo).09 E(wing te)-.225 E(xt.)-.135 E 37.503(.LG no)72 412.08 R
24.75(no Mak)45 F 2.25(el)-.09 G(etters lar)-2.25 E(ger)-.162 E(.)-.495
E 38.997(.LP yes)72 423.08 R 21.753(yes Start)42.003 F(left-block)2.25 E
(ed paragraph.)-.09 E 35.001(.MH -)72 434.08 R 24.75(no `Bell)51.003 F
(Laboratories, Murray Hill, Ne)2.25 E 2.25(wJ)-.225 G(erse)-2.25 E 2.25
(y0)-.135 G(7974'.)-2.25 E 36.504(.ND trof)72 445.08 R 38.232(fn)-.225 G
27(oN)-38.232 G 2.25(od)-27 G(ate line at bottom of page.)-2.25 E(.NH)72
456.08 Q F2(n)2.88 E F1 51.003(-y)32.004 G 21.753(es Same)-51.003 F .63
(as .SH, with section number supplied automatically)2.88 F 5.13(.N)-.585
G .63(umbers are multile)-5.13 F -.135(ve)-.225 G .63(l, lik).135 F(e)
-.09 E(1.2.3, where)216 467.08 Q F2(n)2.25 E F1(tells what le)2.25 E
-.135(ve)-.225 G 2.25(li).135 G 2.25(sw)-2.25 G(anted \(def)-2.34 E
(ault is 1\).)-.09 E 37.503(.NL yes)72 478.08 R 24.75(no Mak)42.003 F
2.25(el)-.09 G(etters normal size.)-2.25 E 36.504(.OK -)72 489.08 R
21.753(yes `Other)51.003 F -.09(ke)2.25 G(yw)-.045 E(ords' for TM co)
-.09 E -.135(ve)-.135 G 2.25(rs).135 G(heet follo)-2.25 E -.585(w.)-.225
G 39.492(.PP no)72 500.08 R 21.753(yes Be)45 F(gin paragraph.)-.135 E
(First line indented.)4.5 E 43.497(.R yes)72 511.08 R 24.75(no Roman)
42.003 F(te)2.25 E(xt follo)-.135 E(ws.)-.225 E 37.998(.RE -)72 522.08 R
21.753(yes End)51.003 F(relati)2.25 E .27 -.135(ve i)-.225 H(ndent le)
.135 E -.135(ve)-.225 G(l.).135 E 38.493(.RP no)72 533.08 R 33.003(-C)45
G -.135(ove)-33.003 G 2.25(rs).135 G(heet and f)-2.25 E
(irst page for released paper)-.18 E 4.5(.M)-.495 G
(ust precede other requests.)-4.5 E 38.493(.RS -)72 544.08 R 21.753
(yes Start)51.003 F(le)2.25 E -.135(ve)-.225 G 2.25(lo).135 G 2.25(fr)
-2.25 G(elati)-2.25 E .27 -.135(ve i)-.225 H 2.25(ndentation. F).135 F
(ollo)-.135 E(wing .IP')-.225 E 2.25(sm)-.495 G
(easured from current indentation.)-2.25 E(.SG)72 555.08 Q F2(x)2.814 E
F1 42.75(no yes)34.002 F .564
(Insert signature\(s\) of author\(s\), ignored e)24.003 F .564
(xcept in TM.)-.135 F F2(x)5.064 E F1 .564
(is the reference line \(initials of)2.814 F(author and typist\).)216
566.08 Q 37.998(.SH -)72 577.08 R 21.753(yes Section)51.003 F
(head follo)2.25 E(ws, font automatically bold.)-.225 E 36.495(.SM no)72
588.08 R 24.75(no Mak)45 F 2.25(el)-.09 G(etters smaller)-2.25 E(.)-.495
E 38.502(.TL no)72 599.08 R 21.753(yes T)45 F(itle follo)-.315 E(ws.)
-.225 E(.TM)72 610.08 Q F2 3.171(xyz)3.171 G F1 42.75(no -)16.836 F .921
(BTL TM co)33.003 F -.135(ve)-.135 G 3.17(rs).135 G .92(heet and f)-3.17
F .92(irst page,)-.18 F F2(x)3.17 E F1 .92(=TM number)B(,)-.36 E F2(y)
3.17 E F1 .92(=\(quoted list of\) case number\(s\),)B F2(z)216 621.08 Q
F1(=f)A(ile number)-.18 E 4.5(.M)-.495 G(ust precede other requests.)
-4.5 E 34.506(.WH -)72 632.08 R 24.75(no `Bell)51.003 F
(Laboratories, Whippan)2.25 E 1.17 -.585(y, N)-.135 H .45 -.225(ew J)
.585 H(erse).225 E 2.25(y0)-.135 G(7981'.)-2.25 E F0 2.5(-4-)297.67 767
S EP
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/F0 10/Times-Roman@0 SF(-)72 11 Q(PLO)72 58 Q 1.666(T\(V)-.4 G -.834
(II \))-1.666 F 166.082(2/25/75 PLO)168.582 F 1.666(T\(V)-.4 G -.834
(II \))-1.666 F/F1 8/Times-Bold@0 SF -.16(NA)72 123.2 S(ME).16 E F0
(plot: openpl et al.)108 134.2 Q/F2 10/Symbol SF(-)2.5 E F0
(graphics interf)2.5 E(ace)-.1 E F1(SYNOPSIS)72 152.4 Q/F3 10
/Times-Bold@0 SF(openpl\( \))108 163.4 Q(erase\( \))108 179.44 Q
(label\(s\))108 195.48 Q(char s[ ];)108 206.48 Q(line\(x1, y1, x2, y2\))
108 222.52 Q(cir)108 238.56 Q(cle\(x, y)-.18 E 2.5(,r)-.55 G(\))-2.5 E
(ar)108 254.6 Q(c\(x, y)-.18 E 2.5(,x)-.55 G(0, y0, x1, y1\))-2.5 E
(dot\(x, y)108 270.64 Q 2.5(,d)-.55 G(x, n, patter)-2.5 E(n\))-.15 E
(int patter)108 281.64 Q(n[ ];)-.15 E(mo)108 297.68 Q -.1(ve)-.1 G
(\(x, y\)).1 E(point\(x, y\))108 313.72 Q(linemod\(s\))108 329.76 Q
(char s[ ];)108 340.76 Q(space\(x0, y0, x1, y1\))108 356.8 Q
(closepl\( \))108 372.84 Q F1(DESCRIPTION)72 396.08 Q F0 .87
(These subroutines generate graphic output in a relati)108 407.08 R -.15
(ve)-.25 G .871(ly de).15 F .871(vice-independent manner)-.25 F 5.871
(.S)-.55 G(ee)-5.871 E/F4 10/Times-Italic@0 SF(plot)3.371 E F0 .871
(\(VI\) for a)3.371 F(description of the meaning of the subroutines.)108
418.08 Q 1.439(There are four libraries containing these routines, one \
that produces general graphics commands on the)108 434.12 R .015(standa\
rd output, and one each for the vt0 storage scope, the Diablo plotting \
terminal and the T)108 445.12 R .016(ektronix 4014)-.7 F(terminal.)108
456.12 Q F4(Openpl)5.292 E F0 .291(must be used before an)2.792 F 2.791
(yo)-.15 G 2.791(ft)-2.791 G .291(he others to open the de)-2.791 F .291
(vice for writing.)-.25 F F4(Closepl)5.291 E F0 .291(flushes the)2.791 F
(output.)108 467.12 Q F1(FILES)72 485.32 Q F0 15.88
(/usr/lib/plot.a produces)108 496.32 R(output for plotting f)2.5 E
(ilters)-.2 E 18.66(/usr/lib/vt0.a produces)108 507.32 R
(output on vt0 storage scope)2.5 E 14.77(/usr/lib/gsip.a produces)108
518.32 R(output on Diablo terminal)2.5 E 19.22(/usr/lib/tek.a produces)
108 529.32 R(output for the T)2.5 E(ektronix 4014 terminal)-.7 E F1
(SEE ALSO)72 547.52 Q F0(plot \(VI\), graph \(VI\))108 558.52 Q F1 -.08
(BU)72 576.72 S(GS).08 E F0 2.5(-5-)297.67 767 S EP
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/F0 10/Times-Roman@0 SF(-)72 11 Q -.834(SALLOC \( VII \))72 58 R 151.792
(6/15/72 SALLOC)154.292 F 1.666(\(V)1.666 G -.834(II \))-1.666 F/F1 8
/Times-Bold@0 SF -.16(NA)72 123.2 S(ME).16 E F0(salloc)108 134.2 Q/F2 10
/Symbol SF(-)2.5 E F0(string allocation and manipulation)2.5 E F1
(SYNOPSIS)72 152.4 Q F0(\(get size in r0\))108 163.4 Q/F3 10
/Times-Bold@0 SF 21.84(jsr pc,allocate)108 174.4 R F0
(\(header address in r1\))108 185.4 Q
(\(get source header address in r0,)108 201.44 Q
(destination header address in r1\))108 212.44 Q F3 21.84(jsr pc,copy)
108 223.44 R 21.84(jsr pc,wc)108 239.48 R F0(\(all follo)108 255.52 Q
(wing routines assume r1 contains header address\))-.25 E F3 21.84
(jsr pc,r)108 271.56 R(elease)-.18 E F0(\(get character in r0\))108
287.6 Q F3 21.84(jsr pc,putchar)108 298.6 R 21.84(jsr pc,lookchar)108
314.64 R F0(\(character in r0\))108 325.64 Q F3 21.84(jsr pc,getchar)108
341.68 R F0(\(character in r0\))108 352.68 Q(\(get character in r0\))108
368.72 Q F3 21.84(jsr pc,alter)108 379.72 R(char)-.18 E F0
(\(get position in r0\))108 395.76 Q F3 21.84(jsr pc,seekchar)108 406.76
R 21.84(jsr pc,backspace)108 422.8 R F0(\(character in r0\))108 433.8 Q
(\(get w)108 449.84 Q(ord in r0\))-.1 E F3 21.84(jsr pc,putw)108 460.84
R(ord)-.1 E 21.84(jsr pc,lookw)108 476.88 R(ord)-.1 E F0(\(w)108 487.88
Q(ord in r0\))-.1 E F3 21.84(jsr pc,getw)108 503.92 R(ord)-.1 E F0(\(w)
108 514.92 Q(ord in r0\))-.1 E(\(get w)108 530.96 Q(ord in r0\))-.1 E F3
21.84(jsr pc,alterw)108 541.96 R(ord)-.1 E 21.84(jsr pc,backw)108 558 R
(ord)-.1 E F0(\(w)108 569 Q(ord in r0\))-.1 E F3 21.84(jsr pc,length)108
585.04 R F0(\(length in r0\))108 596.04 Q F3 21.84(jsr pc,position)108
612.08 R F0(\(position in r0\))108 623.08 Q F3 21.84(jsr pc,r)108 639.12
R(ewind)-.18 E 21.84(jsr pc,cr)108 655.16 R(eate)-.18 E 21.84
(jsr pc,fsf)108 671.2 R(ile)-.25 E 21.84(jsr pc,zer)108 687.24 R(o)-.18
E F1(DESCRIPTION)72 705.44 Q F0 1.222(This package is a complete set of\
 routines for dealing with almost arbitrary length strings of w)108
716.44 R 1.222(ords and)-.1 F 2.798(bytes. It)108 727.44 R(li)2.798 E
-.15(ve)-.25 G 2.798(si).15 G(n)-2.798 E/F4 10/Times-Italic@0 SF
(/lib/libs.a.)2.797 E F0 .297(The strings are stored on a disk f)5.297 F
.297(ile, so the sum of their lengths can be consid-)-.2 F 2.5(-6-)
297.67 774.44 S EP
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/F0 10/Times-Roman@0 SF(-)72 11 Q -.834(SALLOC \( VII \))72 58 R 151.792
(6/15/72 SALLOC)154.292 F 1.666(\(V)1.666 G -.834(II \))-1.666 F
(erably lar)108 105 Q(ger than the a)-.18 E -.25(va)-.2 G(ilable core.)
.25 E 2.5(As)5 G(mall b)-2.5 E(uf)-.2 E(fer cache mak)-.25 E
(es for reasonable speed.)-.1 E -.15(Fo)108 121.04 S 2.538(re).15 G .038
(ach string there is a header of four w)-2.538 F .039
(ords, namely a write pointer)-.1 F 2.539(,ar)-.4 G .039
(ead pointer and pointers to the be-)-2.539 F .461
(ginning and end of the block containing the string.)108 132.04 R .461
(Initially the read and write pointers point to the be)5.461 F(gin-)-.15
E .742(ning of the string.)108 143.04 R .742
(All routines that refer to a string require the header address in r1.)
5.742 F .742(Unless the string is)5.742 F(destro)108 154.04 Q .714(yed \
by the call, upon return r1 will point to the same string, although the\
 string may ha)-.1 F 1.014 -.15(ve g)-.2 H(ro).15 E .714(wn to)-.25 F
(the e)108 165.04 Q(xtent that it had to be be mo)-.15 E -.15(ve)-.15 G
(d.).15 E/F1 10/Times-Italic@0 SF(Allocate)108 181.08 Q F0(obtains a st\
ring of the requested size and returns a pointer to its header in r1.)
2.5 E F1(Release)108 197.12 Q F0
(releases a string back to free storage.)2.5 E F1(Putc)108 213.16 Q(har)
-.15 E F0(and)2.5 E F1(putwor)2.5 E(d)-.37 E F0(write a byte or w)2.5 E
(ord respecti)-.1 E -.15(ve)-.25 G(ly into the string and adv).15 E
(ance the write pointer)-.25 E(.)-.55 E F1(Lookc)108 229.2 Q(har)-.15 E
F0(and)2.82 E F1(lookwor)2.82 E(d)-.37 E F0 .32(read a byte or w)2.82 F
.32(ord respecti)-.1 F -.15(ve)-.25 G .321(ly from the string b).15 F
.321(ut do not adv)-.2 F .321(ance the read point-)-.25 F(er)108 240.2 Q
(.)-.55 E F1(Getc)108 256.24 Q(har)-.15 E F0(and)2.5 E F1 -.1(ge)2.5 G
(twor).1 E(d)-.37 E F0(read a byte or w)2.5 E(ord respecti)-.1 E -.15
(ve)-.25 G(ly from the string and adv).15 E(ance the read pointer)-.25 E
(.)-.55 E F1(Alter)108 272.28 Q -.15(ch)-.37 G(ar).15 E F0(and)2.883 E
F1(alterwor)2.883 E(d)-.37 E F0 .383(write a byte or w)2.883 F .382
(ord respecti)-.1 F -.15(ve)-.25 G .382
(ly into the string where the read pointer is pointing).15 F(and adv)108
283.28 Q(ance the read pointer)-.25 E(.)-.55 E F1(Bac)108 299.32 Q
(kspace)-.2 E F0(and)2.5 E F1(bac)2.5 E(kwor)-.2 E(d)-.37 E F0
(read the last byte or w)2.5 E
(ord written and decrement the write pointer)-.1 E(.)-.55 E .551
(All write operations will automatically get a lar)108 315.36 R .551
(ger block if the current block is e)-.18 F 3.052(xceeded. All)-.15 F
.552(read opera-)3.052 F
(tions return with the error bit set if attempting to read be)108 326.36
Q(yond the write pointer)-.15 E(.)-.55 E F1(Seekc)108 342.4 Q(har)-.15 E
F0(mo)2.5 E -.15(ve)-.15 G 2.5(st).15 G(he read pointer to the of)-2.5 E
(fset specif)-.25 E(ied in r0.)-.2 E F1(Length)108 358.44 Q F0
(returns the current length of the string \(be)2.5 E
(ginning pointer to write pointer\) in r0.)-.15 E F1 -.8(Po)108 374.48 S
(sition).8 E F0(returns the current of)2.5 E
(fset of the read pointer in r0.)-.25 E F1(Re)108 390.52 Q(wind)-.15 E
F0(mo)2.5 E -.15(ve)-.15 G 2.5(st).15 G(he read pointer to the be)-2.5 E
(ginning of the string.)-.15 E F1(Cr)108 406.56 Q(eate)-.37 E F0
(returns the read and write pointers to the be)2.5 E
(ginning of the string.)-.15 E F1(Fsf)108 422.6 Q(ile)-.2 E F0(mo)2.5 E
-.15(ve)-.15 G 2.5(st).15 G
(he read pointer to the current position of the write pointer)-2.5 E(.)
-.55 E F1(Zer)108 438.64 Q(o)-.45 E F0
(zeros the whole string and sets the write pointer to the be)2.5 E
(ginning of the string.)-.15 E F1(Copy)108 454.68 Q F0 .02(copies the s\
tring whose header pointer is in r0 to the string whose header pointer \
is in r1.)2.52 F .019(Care should)5.019 F .335(be tak)108 465.68 R .335
(en in using the cop)-.1 F 2.835(yi)-.1 G .335(nstruction since r1 will\
 be changed if the contents of the source string is bigger)-2.835 F
(than the destination string.)108 476.68 Q F1(Wc)108 492.72 Q F0
(forces the contents of the internal b)2.5 E(uf)-.2 E
(fers and the header blocks to be written on disc.)-.25 E .108
(An in-core v)108 508.76 R .108(ersion of this allocator e)-.15 F .108
(xists in)-.15 F F1(dc)2.608 E F0 .108(\(I\), and a permanent-f)2.608 F
.108(ile v)-.2 F .108(ersion e)-.15 F .108(xists in)-.15 F F1(form)2.608
E F0(and)2.608 E F1(fed)2.607 E F0(\(VI\).)2.607 E/F2 8/Times-Bold@0 SF
(FILES)72 526.96 Q F0 31.99(/lib/libs.a library)108 537.96 R 2.5(,a)-.65
G(ccessed by)-2.5 E F1(ld ... -ls)2.5 E F0 42.56(alloc.d temporary)108
548.96 R -.2(fi)2.5 G(le for string storage).2 E F2(SEE ALSO)72 567.16 Q
F0(alloc \(III\))108 578.16 Q F2(DIA)72 596.36 Q(GNOSTICS)-.44 E F0
(`error in cop)108 607.36 Q(y')-.1 E/F3 10/Symbol SF(-)2.5 E F0
(disk write error encountered in)2.5 E F1(copy)2.5 E(.)-.55 E F0
(`error in allocator')108 618.36 Q F3(-)2.5 E F0
(routine called with bad header pointer)2.5 E(.)-.55 E
(`cannot open output f)108 629.36 Q(ile')-.2 E F3(-)2.5 E F0(temp f)2.5
E(ile)-.2 E F1(alloc.d)2.5 E F0(cannot be created or opened.)2.5 E
(`out of space')108 640.36 Q F3(-)2.5 E F0(no suf)2.5 E -.2(fi)-.25 G
(ciently lar).2 E(ge block or no header is a)-.18 E -.25(va)-.2 G
(ilable for a ne).25 E 2.5(wo)-.25 G 2.5(rg)-2.5 G(ro)-2.5 E
(wing block.)-.25 E F2 -.08(BU)72 658.56 S(GS).08 E F0 2.5(-7-)297.67
767 S EP
%%Trailer
end
%%EOF