/ minnie.tuhs.org / unixen.tar / unixen / Documentation / TUHS / AUUGN / andrew_notes.txt

< prev

next >

MacOS 8.1

Win98

DOS

browse contents

view JSON data

view as text

+--------+-------------------------+-------------------------+--------+--------+
|00000000| 46 72 6f 6d 20 6d 68 33 | 62 63 6c 21 72 65 73 65 |From mh3|bcl!rese|
|00000010| 61 72 63 68 21 77 69 6c | 64 21 61 6e 64 72 65 77 |arch!wil|d!andrew|
|00000020| 3a 6d 75 6c 67 61 20 46 | 72 69 20 44 65 63 20 32 |:mulga F|ri Dec 2|
|00000030| 20 30 38 3a 34 36 36 3a | 30 35 20 31 39 38 33 0a | 08:466:|05 1983.|
|00000040| 53 75 62 6a 65 63 74 3a | 20 55 6e 69 78 20 65 64 |Subject:| Unix ed|
|00000050| 69 74 69 6f 6e 20 6f 6e | 65 0a 54 6f 3a 20 61 75 |ition on|e.To: au|
|00000060| 75 67 6e 0a 0a 54 68 69 | 73 20 69 73 20 74 68 65 |ugn..Thi|s is the|
|00000070| 20 66 69 72 73 74 20 69 | 6e 20 61 20 73 65 72 69 | first i|n a seri|
|00000080| 65 73 20 6f 66 20 6e 6f | 74 65 73 20 6f 6e 20 74 |es of no|tes on t|
|00000090| 68 65 20 65 61 72 6c 79 | 20 65 64 69 74 69 6f 6e |he early| edition|
|000000a0| 73 20 6f 66 20 55 6e 69 | 78 2e 0a 54 68 65 79 20 |s of Uni|x..They |
|000000b0| 61 72 65 20 72 61 6e 64 | 6f 6d 20 72 65 6d 61 72 |are rand|om remar|
|000000c0| 6b 73 20 6f 6e 20 77 68 | 61 74 20 69 6e 74 65 72 |ks on wh|at inter|
|000000d0| 65 73 74 65 64 20 6d 65 | 20 69 6e 20 72 65 61 64 |ested me| in read|
|000000e0| 69 6e 67 20 74 68 65 20 | 70 72 6f 67 72 61 6d 6d |ing the |programm|
|000000f0| 65 72 27 73 0a 6d 61 6e | 75 61 6c 73 20 66 6f 72 |er's.man|uals for|
|00000100| 20 74 68 65 20 76 61 72 | 69 6f 75 73 20 65 64 69 | the var|ious edi|
|00000110| 74 69 6f 6e 73 20 6f 66 | 20 55 6e 69 78 2e 20 54 |tions of| Unix. T|
|00000120| 68 65 73 65 20 6e 6f 74 | 65 73 20 61 72 65 20 6e |hese not|es are n|
|00000130| 6f 74 20 70 72 6f 70 72 | 69 65 74 61 72 79 0a 61 |ot propr|ietary.a|
|00000140| 6e 64 20 77 69 6c 6c 20 | 62 65 20 70 72 6f 64 75 |nd will |be produ|
|00000150| 63 65 64 20 61 74 20 72 | 61 6e 64 6f 6d 20 74 69 |ced at r|andom ti|
|00000160| 6d 65 73 2e 0a 0a 45 44 | 49 54 49 4f 4e 20 4f 4e |mes...ED|ITION ON|
|00000170| 45 3a 20 28 4e 6f 76 65 | 6d 62 65 72 20 31 39 37 |E: (Nove|mber 197|
|00000180| 31 29 0a 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |1).-----|--------|
|00000190| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 0a |--------|-------.|
|000001a0| 0a 31 29 09 74 68 65 20 | 27 74 6d 27 20 63 6f 6d |.1).the |'tm' com|
|000001b0| 6d 61 6e 64 20 77 61 73 | 20 61 6e 61 6c 6f 67 6f |mand was| analogo|
|000001c0| 75 73 20 74 6f 20 74 68 | 65 20 60 74 69 6d 65 20 |us to th|e `time |
|000001d0| 63 6f 6d 6d 61 6e 64 2e | 20 49 66 20 69 6e 76 6f |command.| If invo|
|000001e0| 6b 65 64 20 77 69 74 68 | 0a 09 61 72 67 75 6d 65 |ked with|..argume|
|000001f0| 6e 74 73 2c 20 69 74 20 | 65 78 65 63 75 74 65 64 |nts, it |executed|
|00000200| 20 74 68 65 20 63 6f 6d | 6d 61 6e 64 20 61 6e 64 | the com|mand and|
|00000210| 20 67 61 76 65 20 74 68 | 65 20 74 69 6d 65 73 20 | gave th|e times |
|00000220| 75 73 65 64 20 64 75 72 | 69 6e 67 20 74 68 61 74 |used dur|ing that|
|00000230| 0a 09 63 6f 6d 6d 61 6e | 64 2e 20 49 66 20 69 6e |..comman|d. If in|
|00000240| 76 6f 6b 65 64 20 77 69 | 74 68 6f 75 74 20 61 72 |voked wi|thout ar|
|00000250| 67 75 6d 65 6e 74 73 2c | 20 69 74 20 67 61 76 65 |guments,| it gave|
|00000260| 20 74 77 6f 20 63 6f 6c | 75 6d 6e 73 20 6f 66 20 | two col|umns of |
|00000270| 6e 75 6d 62 65 72 73 3a | 0a 09 74 68 65 20 74 69 |numbers:|..the ti|
|00000280| 6d 65 73 20 73 69 6e 63 | 65 20 62 6f 6f 74 2c 20 |mes sinc|e boot, |
|00000290| 61 6e 64 20 74 68 65 20 | 74 69 6d 65 73 20 73 69 |and the |times si|
|000002a0| 6e 63 65 20 74 68 65 20 | 6c 61 73 74 20 60 74 6d |nce the |last `tm|
|000002b0| 27 20 63 6f 6d 6d 61 6e | 64 2e 0a 0a 09 54 68 65 |' comman|d....The|
|000002c0| 20 63 61 74 65 67 6f 72 | 69 65 73 20 6f 66 20 74 | categor|ies of t|
|000002d0| 69 6d 65 73 20 77 65 72 | 65 3a 0a 09 09 09 22 74 |imes wer|e:...."t|
|000002e0| 69 6d 22 09 28 72 65 61 | 6c 20 74 69 6d 65 29 09 |im".(rea|l time).|
|000002f0| 20 20 20 20 68 72 73 3a | 6d 69 6e 73 3a 73 65 63 |    hrs:|mins:sec|
|00000300| 73 0a 09 09 09 22 6f 76 | 68 22 09 28 74 69 6d 65 |s...."ov|h".(time|
|00000310| 20 69 6e 20 73 79 73 29 | 09 20 20 20 20 20 20 20 | in sys)|.       |
|00000320| 20 64 69 74 74 6f 0a 09 | 09 09 22 64 73 6b 22 09 | ditto..|.."dsk".|
|00000330| 28 77 61 69 74 69 6e 67 | 20 66 6f 72 20 64 69 73 |(waiting| for dis|
|00000340| 6b 29 20 20 20 20 20 20 | 64 69 74 74 6f 0a 09 09 |k)      |ditto...|
|00000350| 09 22 69 64 6c 22 09 28 | 69 64 6c 65 20 74 69 6d |."idl".(|idle tim|
|00000360| 65 29 09 09 64 69 74 74 | 6f 0a 09 09 09 22 75 73 |e)..ditt|o...."us|
|00000370| 72 22 09 28 75 73 65 72 | 20 74 69 6d 65 29 0a 09 |r".(user| time)..|
|00000380| 09 09 22 64 65 72 22 09 | 28 52 4b 20 64 69 73 6b |.."der".|(RK disk|
|00000390| 20 65 72 72 6f 72 20 63 | 6f 75 6e 74 21 21 29 0a | error c|ount!!).|
|000003a0| 09 54 68 65 20 73 65 63 | 6f 6e 64 20 63 6f 6c 75 |.The sec|ond colu|
|000003b0| 6d 6e 20 77 61 73 20 67 | 69 76 65 6e 20 77 69 74 |mn was g|iven wit|
|000003c0| 68 20 6f 6e 65 20 64 65 | 63 69 6d 61 6c 20 70 6c |h one de|cimal pl|
|000003d0| 61 63 65 20 69 6e 20 75 | 6e 69 74 73 20 6f 66 20 |ace in u|nits of |
|000003e0| 73 65 63 6f 6e 64 73 2e | 0a 0a 32 29 09 74 68 65 |seconds.|..2).the|
|000003f0| 20 60 74 69 6d 65 27 20 | 73 79 73 74 65 6d 20 63 | `time' |system c|
|00000400| 61 6c 6c 20 72 65 74 75 | 72 6e 65 64 20 74 68 65 |all retu|rned the|
|00000410| 20 6e 75 6d 62 65 72 20 | 6f 66 20 73 69 78 74 69 | number |of sixti|
|00000420| 65 74 68 20 6f 66 20 73 | 65 63 6f 6e 64 73 20 73 |eth of s|econds s|
|00000430| 69 6e 63 65 0a 09 4a 61 | 6e 20 31 2c 20 31 39 37 |ince..Ja|n 1, 197|
|00000440| 31 2e 20 54 68 69 73 20 | 69 73 20 64 69 66 66 65 |1. This |is diffe|
|00000450| 72 65 6e 74 20 62 65 63 | 61 75 73 65 20 74 68 65 |rent bec|ause the|
|00000460| 20 6d 61 78 69 6d 75 6d | 20 74 69 6d 65 20 77 61 | maximum| time wa|
|00000470| 73 20 61 62 6f 75 74 20 | 32 2e 35 0a 09 79 65 61 |s about |2.5..yea|
|00000480| 72 73 2e 0a 0a 33 29 09 | 66 69 6c 65 20 6e 61 6d |rs...3).|file nam|
|00000490| 65 73 20 77 65 72 65 20 | 6c 69 6d 69 74 65 64 20 |es were |limited |
|000004a0| 74 6f 20 38 20 62 79 74 | 65 73 3b 20 61 63 63 6f |to 8 byt|es; acco|
|000004b0| 72 64 69 6e 67 6c 79 20 | 64 69 72 65 63 74 6f 72 |rdingly |director|
|000004c0| 79 20 65 6e 74 72 69 65 | 73 20 77 65 72 65 0a 09 |y entrie|s were..|
|000004d0| 31 30 20 62 79 74 65 73 | 20 6c 6f 6e 67 2e 0a 0a |10 bytes| long...|
|000004e0| 34 29 09 74 68 65 20 70 | 65 72 6d 69 73 73 69 6f |4).the p|ermissio|
|000004f0| 6e 20 62 69 74 73 20 77 | 65 72 65 20 71 75 69 74 |n bits w|ere quit|
|00000500| 65 20 64 69 66 66 65 72 | 65 6e 74 3a 0a 09 09 30 |e differ|ent:...0|
|00000510| 31 09 77 72 69 74 65 2c | 20 6e 6f 6e 2d 6f 77 6e |1.write,| non-own|
|00000520| 65 72 0a 09 09 30 32 09 | 72 65 61 64 2c 20 6e 6f |er...02.|read, no|
|00000530| 6e 2d 6f 77 6e 65 72 0a | 09 09 30 34 09 77 72 69 |n-owner.|..04.wri|
|00000540| 74 65 2c 20 6f 77 6e 65 | 72 0a 09 09 31 30 09 72 |te, owne|r...10.r|
|00000550| 65 61 64 2c 20 6f 77 6e | 65 72 0a 09 09 32 30 09 |ead, own|er...20.|
|00000560| 65 78 65 63 75 74 61 62 | 6c 65 0a 09 09 34 30 09 |executab|le...40.|
|00000570| 73 65 74 20 75 73 65 72 | 20 69 64 20 6f 6e 20 65 |set user| id on e|
|00000580| 78 65 63 75 74 69 6f 6e | 0a 0a 35 29 09 75 73 65 |xecution|..5).use|
|00000590| 72 69 64 20 2d 20 75 73 | 65 72 6e 61 6d 65 20 6d |rid - us|ername m|
|000005a0| 61 70 70 69 6e 67 20 77 | 61 73 20 6b 65 70 74 20 |apping w|as kept |
|000005b0| 69 6e 20 2f 65 74 63 2f | 75 69 64 73 2e 0a 5f 5f |in /etc/|uids..__|
|000005c0| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|000005d0| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 0a 0a 74 68 61 |________|___..tha|
|000005e0| 74 27 73 20 61 6c 6c 20 | 66 6f 6c 6b 73 21 20 49 |t's all |folks! I|
|000005f0| 20 77 6f 75 6c 64 20 77 | 65 6c 63 6f 6d 65 20 61 | would w|elcome a|
|00000600| 6e 79 20 66 65 65 64 62 | 61 63 6b 20 6f 72 20 71 |ny feedb|ack or q|
|00000610| 75 65 73 74 69 6f 6e 73 | 21 0a 61 6e 64 72 65 77 |uestions|!.andrew|
|00000620| 0a 0a 0a 46 72 6f 6d 20 | 6d 68 33 62 63 6c 21 72 |...From |mh3bcl!r|
|00000630| 65 73 65 61 72 63 68 21 | 77 69 6c 64 21 61 6e 64 |esearch!|wild!and|
|00000640| 72 65 77 3a 6d 75 6c 67 | 61 20 57 65 64 20 46 65 |rew:mulg|a Wed Fe|
|00000650| 62 20 31 35 20 31 31 3a | 34 35 3a 30 39 20 31 39 |b 15 11:|45:09 19|
|00000660| 38 34 0a 53 75 62 6a 65 | 63 74 3a 20 65 64 69 74 |84.Subje|ct: edit|
|00000670| 69 6f 6e 20 32 0a 54 6f | 3a 20 61 75 75 67 6e 3a |ion 2.To|: auugn:|
|00000680| 65 6c 65 63 76 61 78 0a | 53 6f 6d 65 20 72 61 6e |elecvax.|Some ran|
|00000690| 64 6f 6d 20 63 6f 6d 6d | 65 6e 74 73 20 6f 6e 20 |dom comm|ents on |
|000006a0| 55 6e 69 78 2c 20 32 6e | 64 20 65 64 69 74 69 6f |Unix, 2n|d editio|
|000006b0| 6e 2c 20 4a 75 6e 65 20 | 31 32 20 2c 20 31 39 37 |n, June |12 , 197|
|000006c0| 32 2e 0a 0a 54 68 65 20 | 6c 69 73 74 20 6f 66 20 |2...The |list of |
|000006d0| 61 75 74 68 6f 72 73 20 | 68 61 73 20 67 72 6f 77 |authors |has grow|
|000006e0| 6e 2e 20 49 74 20 6e 6f | 77 20 69 6e 63 6c 75 64 |n. It no|w includ|
|000006f0| 65 73 20 54 68 6f 6d 70 | 73 6f 6e 2c 20 52 69 74 |es Thomp|son, Rit|
|00000700| 63 68 69 65 2c 20 4f 73 | 73 61 6e 61 0a 4d 6f 72 |chie, Os|sana.Mor|
|00000710| 72 69 73 2c 20 4d 63 49 | 6c 72 6f 79 2c 20 4d 63 |ris, McI|lroy, Mc|
|00000720| 4d 61 68 6f 6e 2c 20 4c | 6f 72 69 6e 64 61 20 43 |Mahon, L|orinda C|
|00000730| 68 65 72 72 79 20 61 6e | 64 20 52 6f 62 65 72 74 |herry an|d Robert|
|00000740| 73 2e 0a 54 68 65 20 6d | 61 6e 75 61 6c 20 77 61 |s..The m|anual wa|
|00000750| 73 20 64 6f 6e 65 20 77 | 69 74 68 20 7e 65 64 27 |s done w|ith ~ed'|
|00000760| 20 61 6e 64 20 27 72 6f | 66 66 27 20 28 61 73 20 | and 'ro|ff' (as |
|00000770| 77 61 73 20 74 68 65 20 | 66 69 72 73 74 29 2e 0a |was the |first)..|
|00000780| 0a 31 29 20 63 63 20 6f | 6e 6c 79 20 68 61 73 20 |.1) cc o|nly has |
|00000790| 6f 6e 65 20 6f 70 74 69 | 6f 6e 20 28 2d 63 29 21 |one opti|on (-c)!|
|000007a0| 21 0a 0a 32 29 20 74 68 | 65 20 62 75 67 73 20 73 |!..2) th|e bugs s|
|000007b0| 65 63 74 69 6f 6e 20 66 | 6f 72 20 64 73 77 20 72 |ection f|or dsw r|
|000007c0| 65 61 64 73 3a 0a 09 27 | 54 68 65 20 6e 61 6d 65 |eads:..'|The name|
|000007d0| 20 22 64 73 77 22 20 69 | 73 20 61 20 63 61 72 72 | "dsw" i|s a carr|
|000007e0| 79 6f 76 65 72 20 66 72 | 6f 6d 20 74 68 65 20 61 |yover fr|om the a|
|000007f0| 6e 63 69 65 6e 74 20 70 | 61 73 74 2e 20 49 74 73 |ncient p|ast. Its|
|00000800| 20 65 74 79 6d 6f 6c 6f | 67 79 0a 09 69 73 20 61 | etymolo|gy..is a|
|00000810| 6d 75 73 69 6e 67 20 62 | 75 74 20 74 68 65 20 6e |musing b|ut the n|
|00000820| 61 6d 65 20 69 73 20 6e | 6f 6e 65 74 68 65 6c 65 |ame is n|onethele|
|00000830| 73 73 20 69 6c 6c 2d 61 | 64 76 69 73 65 64 2e 27 |ss ill-a|dvised.'|
|00000840| 0a 0a 33 29 20 66 69 6e | 64 28 31 29 20 74 61 6b |..3) fin|d(1) tak|
|00000850| 65 73 20 66 69 6c 65 20 | 6e 61 6d 65 73 20 6f 72 |es file |names or|
|00000860| 20 69 6e 6f 64 65 20 6e | 75 6d 62 65 72 73 20 61 | inode n|umbers a|
|00000870| 6e 64 20 70 72 69 6e 74 | 73 20 70 77 64 73 20 6f |nd print|s pwds o|
|00000880| 66 20 61 6c 6c 20 6d 61 | 74 63 68 65 73 2e 0a 0a |f all ma|tches...|
|00000890| 34 29 20 70 72 28 6c 29 | 20 74 61 6b 65 73 20 6f |4) pr(l)| takes o|
|000008a0| 6e 6c 79 20 33 20 6f 70 | 74 69 6f 6e 73 20 28 6c |nly 3 op|tions (l|
|000008b0| 3d 3d 37 38 20 6c 69 6e | 65 73 2c 20 63 3d 3d 63 |==78 lin|es, c==c|
|000008c0| 75 72 72 65 6e 74 20 64 | 61 74 65 2c 20 6d 3d 2d |urrent d|ate, m=-|
|000008d0| 6d 6f 64 69 66 79 20 64 | 61 74 65 29 0a 0a 35 29 |modify d|ate)..5)|
|000008e0| 20 6c 73 28 31 29 20 74 | 61 6b 65 73 20 66 69 76 | ls(1) t|akes fiv|
|000008f0| 65 20 28 6c 74 61 73 64 | 29 0a 0a 36 29 20 73 6f |e (ltasd|)..6) so|
|00000900| 72 74 20 68 61 73 20 6e | 6f 20 6f 70 74 69 6f 6e |rt has n|o option|
|00000910| 73 21 21 0a 37 29 20 74 | 68 65 72 65 20 69 73 20 |s!!.7) t|here is |
|00000920| 61 20 63 65 6d 74 28 32 | 29 20 73 79 73 74 65 6d |a cemt(2|) system|
|00000930| 20 63 61 6c 6c 20 74 6f | 20 63 61 74 63 68 20 45 | call to| catch E|
|00000940| 4d 54 20 74 72 61 70 73 | 2e 0a 38 29 20 74 68 65 |MT traps|..8) the|
|00000950| 72 65 20 69 73 20 61 20 | 68 6f 67 28 32 29 20 73 |re is a |hog(2) s|
|00000960| 79 73 74 65 6d 20 63 61 | 6c 6c 20 28 73 6f 6d 65 |ystem ca|ll (some|
|00000970| 77 68 61 74 20 65 71 75 | 69 76 61 6c 65 6e 74 20 |what equ|ivalent |
|00000980| 74 6f 20 6e 69 63 65 28 | 32 30 29 29 0a 0a 39 29 |to nice(|20))..9)|
|00000990| 20 63 61 74 63 68 69 6e | 67 20 69 6e 74 65 72 72 | catchin|g interr|
|000009a0| 75 70 74 73 20 69 73 20 | 64 6f 6e 65 20 62 79 20 |upts is |done by |
|000009b0| 69 6e 74 72 28 32 29 2e | 20 54 68 65 20 62 75 67 |intr(2).| The bug|
|000009c0| 73 20 72 65 61 64 73 0a | 09 27 49 74 20 73 68 6f |s reads.|.'It sho|
|000009d0| 75 6c 64 20 62 65 20 65 | 61 73 69 65 72 20 74 6f |uld be e|asier to|
|000009e0| 20 72 65 73 75 6d 65 20 | 61 66 74 65 72 20 61 6e | resume |after an|
|000009f0| 20 69 6e 74 65 72 72 75 | 70 74 20 62 75 74 20 49 | interru|pt but I|
|00000a00| 20 64 6f 6e 27 74 0a 09 | 6b 6e 6f 77 20 68 6f 77 | don't..|know how|
|00000a10| 20 74 6f 20 6d 61 6b 65 | 20 69 74 20 77 6f 72 6b | to make| it work|
|00000a20| 2e 27 0a 0a 31 30 29 20 | 73 65 74 74 69 6e 67 20 |.'..10) |setting |
|00000a30| 74 68 65 20 6d 6f 64 69 | 66 69 65 64 20 64 61 74 |the modi|fied dat|
|00000a40| 65 20 6f 6e 20 61 20 66 | 69 6c 65 20 69 73 20 64 |e on a f|ile is d|
|00000a50| 6f 6e 65 20 62 79 20 6d | 64 61 74 65 28 32 29 0a |one by m|date(2).|
|00000a60| 31 31 29 20 73 6c 65 65 | 70 28 32 29 20 73 6c 65 |11) slee|p(2) sle|
|00000a70| 65 70 73 20 66 6f 72 20 | 6e 2f 36 30 20 73 65 63 |eps for |n/60 sec|
|00000a80| 6f 6e 64 73 2e 20 54 68 | 65 20 62 75 67 73 20 72 |onds. Th|e bugs r|
|00000a90| 65 61 64 73 0a 09 27 44 | 75 65 20 74 6f 20 74 68 |eads..'D|ue to th|
|00000aa0| 65 20 69 6d 70 6c 65 6d | 65 6e 74 61 74 69 6f 6e |e implem|entation|
|00000ab0| 20 74 68 65 20 73 6c 65 | 65 70 20 69 6e 74 65 72 | the sle|ep inter|
|00000ac0| 76 61 6c 20 69 73 20 6f | 6e 6c 79 20 61 63 63 75 |val is o|nly accu|
|00000ad0| 72 61 74 65 20 74 6f 0a | 09 32 35 36 2f 36 30 20 |rate to.|.256/60 |
|00000ae0| 28 34 2e 32 36 29 20 73 | 65 63 6f 6e 64 73 2e 20 |(4.26) s|econds. |
|00000af0| 45 76 65 6e 20 74 68 65 | 6e 2c 20 74 68 65 20 70 |Even the|n, the p|
|00000b00| 72 6f 63 65 73 73 20 69 | 73 20 70 6c 61 63 65 64 |rocess i|s placed|
|00000b10| 20 6f 6e 20 61 20 6c 6f | 77 0a 09 70 72 69 6f 72 | on a lo|w..prior|
|00000b20| 69 74 79 20 71 75 65 75 | 65 20 61 6e 64 20 6d 75 |ity queu|e and mu|
|00000b30| 73 74 20 62 65 20 73 63 | 68 65 64 75 6c 65 64 2e |st be sc|heduled.|
|00000b40| 27 0a 0a 31 32 29 20 71 | 73 6f 72 74 28 33 29 20 |'..12) q|sort(3) |
|00000b50| 75 73 65 73 20 69 74 73 | 20 6f 77 6e 20 63 6f 6d |uses its| own com|
|00000b60| 70 61 72 69 73 6f 6e 20 | 72 6f 75 74 69 6e 65 0a |parison |routine.|
|00000b70| 0a 31 33 29 20 74 68 65 | 20 73 77 69 74 63 68 20 |.13) the| switch |
|00000b80| 73 74 61 74 65 6d 65 6e | 74 20 69 6e 20 43 20 77 |statemen|t in C w|
|00000b90| 61 73 20 73 75 70 70 6c | 69 65 64 20 61 73 20 61 |as suppl|ied as a|
|00000ba0| 20 6c 69 62 72 61 72 79 | 20 66 75 6e 63 74 69 6f | library| functio|
|00000bb0| 6e 2e 0a 09 28 43 20 77 | 61 73 20 6a 75 73 74 20 |n...(C w|as just |
|00000bc0| 73 74 61 72 74 69 6e 67 | 29 0a 2d 2d 2d 2d 2d 2d |starting|).------|
|00000bd0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 0a 61 6e 64 |--------|----.and|
|00000be0| 72 65 77 0a             |                         |rew.    |        |
+--------+-------------------------+-------------------------+--------+--------+