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DOS

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+--------+-------------------------+-------------------------+--------+--------+
|00000000| 64 64 64 2f 00 00 00 00 | 00 00 00 00 00 00 00 00 |ddd/....|........|
|00000010| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00000060| 00 00 00 00 20 20 20 37 | 35 35 20 00 20 20 20 32 |....   7|55 .   2|
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|000000a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00000210| 64 65 72 73 00 00 00 00 | 00 00 00 00 00 00 00 00 |ders....|........|
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|00000280| 20 20 20 31 37 35 31 20 | 20 34 34 30 34 30 36 32 |   1751 | 4404062|
|00000290| 36 32 30 20 20 20 37 36 | 32 37 00 20 00 00 00 00 |620   76|27. ....|
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|000003d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|000003f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000400| 3d 3d 3d 20 64 64 64 2e | 73 68 61 72 20 3d 3d 3d |=== ddd.|shar ===|
|00000410| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000420| 3d 3d 3d 3d 3d 3d 0a 46 | 72 6f 6d 20 70 75 72 2d |======.F|rom pur-|
|00000430| 65 65 21 69 75 76 61 78 | 21 6d 61 69 6c 72 75 73 |ee!iuvax|!mailrus|
|00000440| 21 63 6f 72 6e 65 6c 6c | 21 72 6f 63 68 65 73 74 |!cornell|!rochest|
|00000450| 65 72 21 62 62 6e 21 62 | 62 6e 2e 63 6f 6d 21 72 |er!bbn!b|bn.com!r|
|00000460| 73 61 6c 7a 20 54 68 75 | 20 4a 75 6c 20 20 37 20 |salz Thu| Jul  7 |
|00000470| 30 38 3a 32 32 3a 34 35 | 20 45 53 54 20 31 39 38 |08:22:45| EST 198|
|00000480| 38 0a 0a 53 75 62 6d 69 | 74 74 65 64 2d 62 79 3a |8..Submi|tted-by:|
|00000490| 20 54 61 70 61 6e 69 20 | 4c 69 6e 64 67 72 65 6e | Tapani |Lindgren|
|000004a0| 20 3c 6e 69 73 70 61 40 | 63 73 2e 68 75 74 2e 66 | <nispa@|cs.hut.f|
|000004b0| 69 3e 0a 50 6f 73 74 69 | 6e 67 2d 6e 75 6d 62 65 |i>.Posti|ng-numbe|
|000004c0| 72 3a 20 56 6f 6c 75 6d | 65 20 31 35 2c 20 49 73 |r: Volum|e 15, Is|
|000004d0| 73 75 65 20 38 34 0a 41 | 72 63 68 69 76 65 2d 6e |sue 84.A|rchive-n|
|000004e0| 61 6d 65 3a 20 64 64 64 | 0a 0a 48 69 21 20 20 49 |ame: ddd|..Hi!  I|
|000004f0| 20 77 72 6f 74 65 20 61 | 20 6c 69 74 74 6c 65 20 | wrote a| little |
|00000500| 75 74 69 6c 69 74 79 20 | 74 6f 20 73 70 65 65 64 |utility |to speed|
|00000510| 20 75 70 20 64 75 6d 70 | 69 6e 67 20 74 6f 20 74 | up dump|ing to t|
|00000520| 61 70 65 2e 0a 49 74 20 | 69 73 20 61 20 73 75 62 |ape..It |is a sub|
|00000530| 73 65 74 20 6f 66 20 64 | 64 28 31 29 2c 20 62 75 |set of d|d(1), bu|
|00000540| 74 20 68 61 73 20 61 20 | 6d 75 63 68 20 62 65 74 |t has a |much bet|
|00000550| 74 65 72 20 74 68 72 6f | 75 67 68 70 75 74 2e 0a |ter thro|ughput..|
|00000560| 49 20 63 61 6c 6c 20 69 | 74 20 22 64 64 64 22 20 |I call i|t "ddd" |
|00000570| 66 6f 72 20 22 44 6f 75 | 70 6c 65 2d 73 70 65 65 |for "Dou|ple-spee|
|00000580| 64 20 44 44 22 2e 0a 49 | 20 70 6f 73 74 65 64 20 |d DD"..I| posted |
|00000590| 69 74 20 74 6f 20 65 75 | 6e 65 74 2e 73 6f 75 72 |it to eu|net.sour|
|000005a0| 63 65 73 20 61 62 6f 75 | 74 20 61 20 6d 6f 6e 74 |ces abou|t a mont|
|000005b0| 68 20 61 67 6f 3b 20 61 | 20 62 75 67 20 61 6e 64 |h ago; a| bug and|
|000005c0| 0a 73 6f 6d 65 20 70 6f | 72 74 61 62 69 6c 69 74 |.some po|rtabilit|
|000005d0| 79 20 70 72 6f 62 6c 65 | 6d 73 20 77 65 72 65 20 |y proble|ms were |
|000005e0| 66 6f 75 6e 64 2c 20 62 | 75 74 20 74 68 65 79 20 |found, b|ut they |
|000005f0| 61 72 65 20 63 6f 72 72 | 65 63 74 65 64 0a 69 6e |are corr|ected.in|
|00000600| 20 74 68 69 73 20 73 65 | 63 6f 6e 64 20 76 65 72 | this se|cond ver|
|00000610| 73 69 6f 6e 2e 0a 49 20 | 70 6c 61 6e 6e 65 64 20 |sion..I |planned |
|00000620| 74 6f 20 61 64 64 20 73 | 6f 6d 65 20 66 65 61 74 |to add s|ome feat|
|00000630| 75 72 65 73 20 61 6e 64 | 20 70 6f 72 74 20 74 68 |ures and| port th|
|00000640| 65 20 74 68 69 6e 67 20 | 74 6f 20 4d 69 6e 69 78 |e thing |to Minix|
|00000650| 2c 0a 62 75 74 20 49 20 | 77 6f 6e 27 74 20 68 61 |,.but I |won't ha|
|00000660| 76 65 20 74 69 6d 65 20 | 62 6f 66 65 72 65 20 4f |ve time |bofere O|
|00000670| 63 74 6f 62 65 72 2c 20 | 73 6f 20 69 74 20 73 65 |ctober, |so it se|
|00000680| 65 6d 73 20 49 27 76 65 | 20 62 65 74 74 65 72 0a |ems I've| better.|
|00000690| 70 6f 73 74 20 69 74 20 | 6e 6f 77 2c 20 61 73 20 |post it |now, as |
|000006a0| 69 74 20 69 73 2c 20 61 | 6e 64 20 6c 65 74 20 6f |it is, a|nd let o|
|000006b0| 74 68 65 72 73 20 70 6c | 61 79 20 77 69 74 68 20 |thers pl|ay with |
|000006c0| 69 74 20 74 6f 6f 2e 0a | 53 65 65 20 6d 61 6e 20 |it too..|See man |
|000006d0| 70 61 67 65 20 66 6f 72 | 20 64 65 74 61 69 6c 73 |page for| details|
|000006e0| 2e 0a 0a 54 61 70 61 6e | 69 20 4c 69 6e 64 67 72 |...Tapan|i Lindgr|
|000006f0| 65 6e 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |en      |        |
|00000700| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000710| 7c 20 45 6d 61 69 6c 20 | 3c 6e 69 73 70 61 40 63 || Email |<nispa@c|
|00000720| 73 2e 68 75 74 2e 66 69 | 3e 20 6f 72 0a 48 65 6c |s.hut.fi|> or.Hel|
|00000730| 73 69 6e 6b 69 20 55 6e | 69 76 65 72 73 69 74 79 |sinki Un|iversity|
|00000740| 20 6f 66 20 54 65 63 68 | 6e 6f 6c 6f 67 79 20 20 | of Tech|nology  |
|00000750| 20 20 20 20 20 20 20 20 | 20 20 7c 20 3c 6e 69 73 |        |  | <nis|
|00000760| 70 61 40 66 69 6e 68 75 | 74 63 73 2e 42 49 54 4e |pa@finhu|tcs.BITN|
|00000770| 45 54 3e 20 6f 72 0a 4c | 61 62 6f 72 61 74 6f 72 |ET> or.L|aborator|
|00000780| 79 20 6f 66 20 49 6e 66 | 6f 72 6d 61 74 69 6f 6e |y of Inf|ormation|
|00000790| 20 50 72 6f 63 65 73 73 | 69 6e 67 20 53 63 69 65 | Process|ing Scie|
|000007a0| 6e 63 65 20 7c 20 3c 6d | 63 76 61 78 21 73 61 6e |nce | <m|cvax!san|
|000007b0| 74 72 61 21 73 61 75 6e | 61 21 6e 69 73 70 61 3e |tra!saun|a!nispa>|
|000007c0| 0a 0a 2d 2d 2d 2d 2d 2d | 2d 20 43 55 54 20 48 45 |..------|- CUT HE|
|000007d0| 52 45 20 2d 2d 2d 2d 2d | 2d 2d 20 4f 55 43 48 21 |RE -----|-- OUCH!|
|000007e0| 20 2d 2d 2d 2d 2d 2d 2d | 0a 00 00 00 00 00 00 00 | -------|........|
|000007f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000800| 64 64 64 2f 52 45 41 44 | 4d 45 00 00 00 00 00 00 |ddd/READ|ME......|
|00000810| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000820| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000830| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00000850| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000860| 00 00 00 00 20 20 20 36 | 34 34 20 00 20 20 20 32 |....   6|44 .   2|
|00000870| 34 33 20 00 20 20 20 20 | 31 32 20 00 20 20 20 20 |43 .    |12 .    |
|00000880| 20 20 20 20 37 37 32 20 | 20 34 34 30 34 30 36 32 |    772 | 4404062|
|00000890| 36 30 36 20 20 20 35 35 | 30 33 00 20 00 00 00 00 |606   55|03. ....|
|000008a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000900| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000910| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000920| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000930| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000940| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000950| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000960| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000970| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000980| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000990| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000a00| 44 44 44 20 20 20 20 20 | 44 4f 55 42 4c 45 2d 53 |DDD     |DOUBLE-S|
|00000a10| 50 45 45 44 20 44 41 54 | 41 20 44 55 4d 50 45 52 |PEED DAT|A DUMPER|
|00000a20| 0a 0a 44 64 64 20 69 73 | 20 61 20 73 74 72 69 70 |..Ddd is| a strip|
|00000a30| 70 65 64 2d 64 6f 77 6e | 20 65 6e 68 61 6e 63 65 |ped-down| enhance|
|00000a40| 64 2d 74 68 72 6f 75 67 | 68 70 75 74 20 6d 75 6c |d-throug|hput mul|
|00000a50| 74 69 2d 70 72 6f 63 65 | 73 73 20 64 64 28 31 29 |ti-proce|ss dd(1)|
|00000a60| 20 63 6c 6f 6e 65 2e 0a | 0a 54 68 69 73 20 69 73 | clone..|.This is|
|00000a70| 20 76 65 72 73 69 6f 6e | 20 32 2e 20 20 49 74 20 | version| 2.  It |
|00000a80| 68 61 73 20 73 6f 6d 65 | 20 62 75 67 73 20 66 69 |has some| bugs fi|
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|00000aa0| 73 20 61 6c 73 6f 20 63 | 6c 65 61 6e 65 72 0a 61 |s also c|leaner.a|
|00000ab0| 6e 64 20 6d 6f 72 65 20 | 70 6f 72 74 61 62 6c 65 |nd more |portable|
|00000ac0| 2e 20 20 46 6f 72 67 65 | 74 20 61 62 6f 75 74 20 |.  Forge|t about |
|00000ad0| 76 65 72 73 69 6f 6e 20 | 31 20 61 6e 64 20 64 65 |version |1 and de|
|00000ae0| 73 74 72 6f 79 20 61 6c | 6c 20 63 6f 70 69 65 73 |stroy al|l copies|
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|00000ba0| 20 77 65 6c 6c 20 61 73 | 20 6e 6f 65 72 72 6f 72 | well as| noerror|
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|00000be0| 69 6c 65 73 20 2d 20 72 | 65 70 6c 61 63 65 20 62 |iles - r|eplace b|
|00000bf0| 75 6e 64 6c 65 28 31 29 | 2e 0a 00 00 00 00 00 00 |undle(1)|........|
|00000c00| 64 64 64 2f 64 64 64 2e | 31 00 00 00 00 00 00 00 |ddd/ddd.|1.......|
|00000c10| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00000dd0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000de0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000df0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000e00| 2e 54 48 20 44 44 44 20 | 31 4c 0a 2e 53 48 20 4e |.TH DDD |1L..SH N|
|00000e10| 41 4d 45 0a 64 64 64 20 | 5c 2d 20 64 6f 75 62 6c |AME.ddd |\- doubl|
|00000e20| 65 2d 73 70 65 65 64 20 | 64 61 74 61 20 64 75 6d |e-speed |data dum|
|00000e30| 70 65 72 0a 2e 53 48 20 | 53 59 4e 4f 50 53 49 53 |per..SH |SYNOPSIS|
|00000e40| 0a 2e 42 20 64 64 64 20 | 5b 6f 70 74 69 6f 6e 3d |..B ddd |[option=|
|00000e50| 76 61 6c 75 65 5d 20 2e | 2e 2e 0a 2e 53 48 20 44 |value] .|....SH D|
|00000e60| 45 53 43 52 49 50 54 49 | 4f 4e 0a 2e 49 52 20 44 |ESCRIPTI|ON..IR D|
|00000e70| 64 64 0a 77 6f 72 6b 73 | 20 61 6c 6d 6f 73 74 20 |dd.works| almost |
|00000e80| 74 68 65 20 73 61 6d 65 | 20 77 61 79 20 61 73 20 |the same| way as |
|00000e90| 64 64 28 31 29 2c 20 62 | 75 74 20 69 74 20 68 61 |dd(1), b|ut it ha|
|00000ea0| 73 20 61 20 6d 75 63 68 | 20 62 65 74 74 65 72 0a |s a much| better.|
|00000eb0| 74 68 72 6f 75 67 68 70 | 75 74 2c 20 65 73 70 65 |throughp|ut, espe|
|00000ec0| 63 69 61 6c 6c 79 20 77 | 68 65 6e 20 75 73 65 64 |cially w|hen used|
|00000ed0| 20 77 69 74 68 20 73 6c | 6f 77 20 69 2f 6f 2d 64 | with sl|ow i/o-d|
|00000ee0| 65 76 69 63 65 73 2c 20 | 73 75 63 68 20 61 73 0a |evices, |such as.|
|00000ef0| 74 61 70 65 20 64 72 69 | 76 65 73 2e 20 20 54 68 |tape dri|ves.  Th|
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|00000f10| 20 61 63 68 69 65 76 65 | 64 20 6d 61 69 6e 6c 79 | achieve|d mainly|
|00000f20| 20 62 79 20 64 69 76 69 | 64 69 6e 67 0a 74 68 65 | by divi|ding.the|
|00000f30| 20 63 6f 70 79 69 6e 67 | 20 70 72 6f 63 65 73 73 | copying| process|
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|000011a0| 73 0a 28 69 66 20 79 6f | 75 20 68 61 76 65 20 65 |s.(if yo|u have e|
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|000011d0| 20 65 78 74 72 61 20 70 | 72 6f 63 65 73 73 65 73 | extra p|rocesses|
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|000012d0| 20 6f 75 74 70 75 74 20 | 70 72 6f 63 65 73 73 65 | output |processe|
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|000015a0| 20 42 55 47 53 0a 53 68 | 6f 75 6c 64 20 79 6f 75 | BUGS.Sh|ould you|
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|00001640| 49 74 20 77 69 6c 6c 20 | 70 72 6f 62 61 62 6c 79 |It will |probably|
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|00001780| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001790| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000017a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000017b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000017c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|000017f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001800| 64 64 64 2f 4d 61 6b 65 | 66 69 6c 65 00 00 00 00 |ddd/Make|file....|
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|00001a00| 23 20 4d 61 6b 65 66 69 | 6c 65 20 66 6f 72 20 64 |# Makefi|le for d|
|00001a10| 64 64 0a 0a 44 45 46 53 | 20 3d 20 2d 44 42 53 44 |dd..DEFS| = -DBSD|
|00001a20| 0a 43 46 4c 41 47 53 20 | 3d 20 2d 4f 20 24 28 44 |.CFLAGS |= -O $(D|
|00001a30| 45 46 53 29 0a 0a 43 43 | 20 3d 20 63 63 0a 4c 49 |EFS)..CC| = cc.LI|
|00001a40| 4e 54 20 3d 20 6c 69 6e | 74 0a 43 50 20 3d 20 63 |NT = lin|t.CP = c|
|00001a50| 70 0a 52 4d 20 3d 20 2f | 62 69 6e 2f 72 6d 20 2d |p.RM = /|bin/rm -|
|00001a60| 66 0a 0a 53 52 43 20 3d | 20 64 64 64 2e 63 0a 4f |f..SRC =| ddd.c.O|
|00001a70| 42 4a 20 3d 20 64 64 64 | 2e 6f 0a 48 45 41 44 20 |BJ = ddd|.o.HEAD |
|00001a80| 3d 0a 42 49 4e 20 3d 20 | 64 64 64 0a 53 48 41 52 |=.BIN = |ddd.SHAR|
|00001a90| 20 3d 20 64 64 64 2e 73 | 68 61 72 0a 0a 42 49 4e | = ddd.s|har..BIN|
|00001aa0| 44 49 52 20 3d 20 2f 75 | 73 72 2f 6c 6f 63 61 6c |DIR = /u|sr/local|
|00001ab0| 2f 62 69 6e 0a 0a 4d 41 | 4e 20 3d 20 64 64 64 2e |/bin..MA|N = ddd.|
|00001ac0| 31 0a 4d 41 4e 44 49 52 | 20 3d 20 2f 75 73 72 2f |1.MANDIR| = /usr/|
|00001ad0| 6c 6f 63 61 6c 2f 6d 61 | 6e 0a 0a 61 6c 6c 3a 20 |local/ma|n..all: |
|00001ae0| 24 28 42 49 4e 29 20 6c | 69 6e 74 0a 20 20 20 20 |$(BIN) l|int.    |
|00001af0| 20 20 20 74 6f 75 63 68 | 20 61 6c 6c 0a 0a 24 28 |   touch| all..$(|
|00001b00| 42 49 4e 29 3a 20 24 28 | 4f 42 4a 29 20 24 28 48 |BIN): $(|OBJ) $(H|
|00001b10| 45 41 44 29 20 4d 61 6b | 65 66 69 6c 65 0a 20 20 |EAD) Mak|efile.  |
|00001b20| 20 20 20 20 20 24 28 43 | 43 29 20 24 28 4f 42 4a |     $(C|C) $(OBJ|
|00001b30| 29 20 2d 6f 20 24 28 42 | 49 4e 29 0a 0a 6c 69 6e |) -o $(B|IN)..lin|
|00001b40| 74 3a 20 24 28 53 52 43 | 29 20 24 28 48 45 41 44 |t: $(SRC|) $(HEAD|
|00001b50| 29 0a 20 20 20 20 20 20 | 20 24 28 4c 49 4e 54 29 |).      | $(LINT)|
|00001b60| 20 24 28 44 45 46 53 29 | 20 24 28 53 52 43 29 0a | $(DEFS)| $(SRC).|
|00001b70| 20 20 20 20 20 20 20 74 | 6f 75 63 68 20 6c 69 6e |       t|ouch lin|
|00001b80| 74 0a 0a 69 6e 73 74 61 | 6c 6c 3a 20 61 6c 6c 0a |t..insta|ll: all.|
|00001b90| 20 20 20 20 20 20 20 73 | 74 72 69 70 20 24 28 42 |       s|trip $(B|
|00001ba0| 49 4e 29 0a 20 20 20 20 | 20 20 20 24 28 43 50 29 |IN).    |   $(CP)|
|00001bb0| 20 24 28 42 49 4e 29 20 | 24 28 42 49 4e 44 49 52 | $(BIN) |$(BINDIR|
|00001bc0| 29 0a 20 20 20 20 20 20 | 20 24 28 43 50 29 20 24 |).      | $(CP) $|
|00001bd0| 28 4d 41 4e 29 20 24 28 | 4d 41 4e 44 49 52 29 0a |(MAN) $(|MANDIR).|
|00001be0| 0a 63 6c 65 61 6e 3a 0a | 20 20 20 20 20 20 20 2d |.clean:.|       -|
|00001bf0| 24 28 52 4d 29 20 24 28 | 42 49 4e 29 20 24 28 4f |$(RM) $(|BIN) $(O|
|00001c00| 42 4a 29 20 61 6c 6c 20 | 6c 69 6e 74 20 61 2e 6f |BJ) all |lint a.o|
|00001c10| 75 74 20 63 6f 72 65 20 | 2a 7e 20 23 2a 20 24 28 |ut core |*~ #* $(|
|00001c20| 53 48 41 52 29 0a 0a 73 | 68 61 72 3a 20 6c 69 6e |SHAR)..s|har: lin|
|00001c30| 74 20 52 45 41 44 4d 45 | 20 24 28 4d 41 4e 29 20 |t README| $(MAN) |
|00001c40| 4d 61 6b 65 66 69 6c 65 | 20 24 28 48 45 41 44 20 |Makefile| $(HEAD |
|00001c50| 24 28 53 52 43 29 0a 20 | 20 20 20 20 20 20 73 68 |$(SRC). |      sh|
|00001c60| 61 72 20 52 45 41 44 4d | 45 20 24 28 4d 41 4e 29 |ar READM|E $(MAN)|
|00001c70| 20 4d 61 6b 65 66 69 6c | 65 20 24 28 48 45 41 44 | Makefil|e $(HEAD|
|00001c80| 29 20 24 28 53 52 43 29 | 20 3e 20 24 28 53 48 41 |) $(SRC)| > $(SHA|
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|00001ca0| 74 65 0a 74 6f 20 72 61 | 77 20 6d 61 67 6e 65 74 |te.to ra|w magnet|
|00001cb0| 69 63 20 74 61 70 65 2c | 20 74 68 75 73 20 6b 65 |ic tape,| thus ke|
|00001cc0| 65 70 69 6e 67 20 74 68 | 65 20 74 61 70 65 20 63 |eping th|e tape c|
|00001cd0| 6f 6e 74 69 6e 75 6f 75 | 73 6c 79 20 69 6e 20 6d |ontinuou|sly in m|
|00001ce0| 6f 74 69 6f 6e 2e 0a 49 | 20 77 61 6e 74 65 64 20 |otion..I| wanted |
|00001cf0| 74 6f 20 67 65 74 20 74 | 68 65 20 73 61 6d 65 20 |to get t|he same |
|00001d00| 69 6d 70 72 6f 76 65 6d | 65 6e 74 20 74 6f 20 72 |improvem|ent to r|
|00001d10| 65 6d 6f 74 65 20 64 75 | 6d 70 73 2c 20 73 6f 20 |emote du|mps, so |
|00001d20| 74 68 69 73 0a 66 69 6c | 74 65 72 20 77 61 73 20 |this.fil|ter was |
|00001d30| 6e 65 65 64 65 64 2e 20 | 20 44 69 72 65 63 74 69 |needed. | Directi|
|00001d40| 6e 67 20 61 6c 6c 20 70 | 68 79 73 69 63 61 6c 20 |ng all p|hysical |
|00001d50| 49 2f 4f 20 74 68 72 6f | 75 67 68 20 64 64 64 20 |I/O thro|ugh ddd |
|00001d60| 75 73 75 61 6c 6c 79 0a | 69 6e 63 72 65 61 73 65 |usually.|increase|
|00001d70| 73 20 74 68 65 20 74 68 | 72 6f 75 67 68 70 75 74 |s the th|roughput|
|00001d80| 20 6f 66 20 61 6e 79 20 | 70 69 70 65 6c 69 6e 65 | of any |pipeline|
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|00002bc0| 73 20 2a 2f 0a 20 20 28 | 76 6f 69 64 29 20 69 6e |s */.  (|void) in|
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|00002c20| 64 20 6f 6e 65 20 57 52 | 49 54 45 20 74 6f 6b 65 |d one WR|ITE toke|
|00002c30| 6e 20 2a 2f 0a 20 20 28 | 76 6f 69 64 29 20 64 6f |n */.  (|void) do|
|00002c40| 66 6f 72 6b 28 29 3b 20 | 20 20 20 20 2f 2a 20 31 |fork(); |    /* 1|
|00002c50| 20 77 69 6c 6c 20 62 65 | 20 32 20 2a 2f 0a 20 20 | will be| 2 */.  |
|00002c60| 77 68 69 6c 65 20 28 21 | 65 6f 66 29 20 7b 20 20 |while (!|eof) {  |
|00002c70| 20 20 20 20 20 2f 2a 20 | 65 6e 74 65 72 20 6d 61 |     /* |enter ma|
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|00002cb0| 70 65 74 65 20 66 6f 72 | 20 66 69 72 73 74 2f 6e |pete for| first/n|
|00002cc0| 65 78 74 20 72 65 61 64 | 20 74 75 72 6e 20 2a 2f |ext read| turn */|
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|00002d10| 20 28 76 6f 69 64 29 20 | 67 65 74 74 6f 6b 65 6e | (void) |gettoken|
|00002d20| 28 57 54 4f 4b 5f 50 29 | 3b 20 20 20 2f 2a 20 6d |(WTOK_P)|;   /* m|
|00002d30| 61 6b 65 20 73 75 72 65 | 20 77 65 20 61 6c 73 6f |ake sure| we also|
|00002d40| 20 67 65 74 20 74 68 65 | 20 6e 65 78 74 20 77 72 | get the| next wr|
|00002d50| 69 74 65 20 74 75 72 6e | 20 2a 2f 0a 20 20 20 20 |ite turn| */.    |
|00002d60| 2f 2a 20 6e 6f 77 20 6f | 74 68 65 72 73 20 6d 61 |/* now o|thers ma|
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|00002da0| 74 20 2a 2f 0a 20 20 20 | 20 28 76 6f 69 64 29 20 |t */.   | (void) |
|00002db0| 70 61 73 73 74 6f 6b 65 | 6e 28 52 54 4f 4b 5f 50 |passtoke|n(RTOK_P|
|00002dc0| 2c 20 65 6f 66 3f 20 54 | 4f 4b 5f 44 4f 4e 45 3a |, eof? T|OK_DONE:|
|00002dd0| 20 54 4f 4b 5f 43 4f 4e | 54 29 3b 0a 20 20 20 20 | TOK_CON|T);.    |
|00002de0| 28 76 6f 69 64 29 20 77 | 72 69 74 65 62 75 66 66 |(void) w|ritebuff|
|00002df0| 65 72 28 29 3b 20 20 20 | 20 20 20 2f 2a 20 2e 2e |er();   |   /* ..|
|00002e00| 2e 20 77 68 69 6c 65 20 | 77 65 20 77 72 69 74 65 |. while |we write|
|00002e10| 20 74 6f 20 6f 75 74 70 | 75 74 20 2a 2f 0a 20 20 | to outp|ut */.  |
|00002e20| 20 20 2f 2a 20 74 68 69 | 73 20 63 79 63 6c 65 20 |  /* thi|s cycle |
|00002e30| 69 73 20 64 6f 6e 65 20 | 6e 6f 77 20 2a 2f 0a 20 |is done |now */. |
|00002e40| 20 20 20 69 66 20 28 21 | 65 6f 66 29 20 28 76 6f |   if (!|eof) (vo|
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|00002e80| 66 20 6d 61 69 6e 20 6c | 6f 6f 70 20 2a 2f 0a 20 |f main l|oop */. |
|00002e90| 20 28 76 6f 69 64 29 20 | 70 61 73 73 63 6f 75 6e | (void) |passcoun|
|00002ea0| 74 65 72 73 28 52 54 4f | 4b 5f 50 29 3b 20 2f 2a |ters(RTO|K_P); /*|
|00002eb0| 20 73 65 6e 64 20 72 65 | 63 6f 72 64 20 63 6f 75 | send re|cord cou|
|00002ec0| 6e 74 65 72 73 20 74 6f | 20 6f 75 72 20 70 61 72 |nters to| our par|
|00002ed0| 74 6e 65 72 20 2a 2f 0a | 20 20 28 76 6f 69 64 29 |tner */.|  (void)|
|00002ee0| 20 74 65 72 6d 69 6e 61 | 74 65 28 30 29 3b 20 2f | termina|te(0); /|
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|00002f00| 72 72 6f 72 73 29 20 2a | 2f 0a 20 20 2f 2a 20 4e |rrors) *|/.  /* N|
|00002f10| 4f 54 52 45 41 43 48 45 | 44 20 2a 2f 0a 7d 20 20 |OTREACHE|D */.}  |
|00002f20| 20 20 20 20 2f 2a 20 65 | 6e 64 20 6f 66 20 6d 61 |    /* e|nd of ma|
|00002f30| 69 6e 28 29 20 2a 2f 0a | 0a 0a 63 61 74 63 68 73 |in() */.|..catchs|
|00002f40| 69 67 6e 61 6c 73 28 29 | 0a 2f 2a 20 61 72 72 61 |ignals()|./* arra|
|00002f50| 6e 67 65 20 66 6f 72 20 | 73 6f 6d 65 20 73 69 67 |nge for |some sig|
|00002f60| 6e 61 6c 73 20 74 6f 20 | 62 65 20 63 61 74 63 68 |nals to |be catch|
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|00002f90| 69 6e 74 65 64 20 2a 2f | 0a 7b 0a 20 20 73 74 61 |inted */|.{.  sta|
|00002fa0| 74 69 63 20 69 6e 74 20 | 73 69 67 6c 69 73 74 5b |tic int |siglist[|
|00002fb0| 5d 20 3d 20 7b 0a 20 20 | 20 20 53 49 47 49 4e 54 |] = {.  |  SIGINT|
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|00002fe0| 49 47 42 55 53 2c 20 53 | 49 47 53 45 47 56 2c 20 |IGBUS, S|IGSEGV, |
|00002ff0| 53 49 47 53 59 53 2c 20 | 53 49 47 50 49 50 45 2c |SIGSYS, |SIGPIPE,|
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|00003010| 47 54 45 52 4d 2c 20 30 | 0a 20 20 20 20 7d 3b 0a |GTERM, 0|.    };.|
|00003020| 20 20 69 6e 74 20 2a 73 | 69 67 70 3b 0a 0a 20 20 |  int *s|igp;..  |
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|00003070| 2c 20 64 6f 65 72 72 6f | 72 29 3b 0a 7d 20 20 20 |, doerro|r);.}   |
|00003080| 20 20 20 2f 2a 20 65 6e | 64 20 6f 66 20 63 61 74 |   /* en|d of cat|
|00003090| 63 68 73 69 67 6e 61 6c | 73 28 29 20 2a 2f 0a 0a |chsignal|s() */..|
|000030a0| 64 6f 65 72 72 6f 72 28 | 29 0a 2f 2a 20 77 68 61 |doerror(|)./* wha|
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|000030c0| 74 20 61 6e 20 65 72 72 | 6f 72 20 6f 72 20 63 61 |t an err|or or ca|
|000030d0| 74 63 68 20 61 20 73 69 | 67 6e 61 6c 20 2a 2f 0a |tch a si|gnal */.|
|000030e0| 7b 0a 20 20 2f 2a 20 73 | 65 6e 64 20 65 72 72 6f |{.  /* s|end erro|
|000030f0| 72 20 74 6f 6b 65 6e 20 | 74 6f 20 62 6f 74 68 20 |r token |to both |
|00003100| 70 69 70 65 73 20 2a 2f | 0a 20 20 28 76 6f 69 64 |pipes */|.  (void|
|00003110| 29 20 70 61 73 73 74 6f | 6b 65 6e 28 52 54 4f 4b |) passto|ken(RTOK|
|00003120| 5f 50 2c 20 54 4f 4b 5f | 45 52 52 4f 52 29 3b 0a |_P, TOK_|ERROR);.|
|00003130| 20 20 28 76 6f 69 64 29 | 20 70 61 73 73 74 6f 6b |  (void)| passtok|
|00003140| 65 6e 28 57 54 4f 4b 5f | 50 2c 20 54 4f 4b 5f 45 |en(WTOK_|P, TOK_E|
|00003150| 52 52 4f 52 29 3b 0a 20 | 20 2f 2a 20 61 6c 73 6f |RROR);. | /* also|
|00003160| 20 73 65 6e 64 20 69 2f | 6f 20 72 65 63 6f 72 64 | send i/|o record|
|00003170| 20 63 6f 75 6e 74 65 72 | 73 20 2a 2f 0a 20 20 28 | counter|s */.  (|
|00003180| 76 6f 69 64 29 20 70 61 | 73 73 63 6f 75 6e 74 65 |void) pa|sscounte|
|00003190| 72 73 28 52 54 4f 4b 5f | 50 29 3b 0a 20 20 28 76 |rs(RTOK_|P);.  (v|
|000031a0| 6f 69 64 29 20 70 61 73 | 73 63 6f 75 6e 74 65 72 |oid) pas|scounter|
|000031b0| 73 28 52 54 4f 4b 5f 50 | 29 3b 0a 20 20 2f 2a 20 |s(RTOK_P|);.  /* |
|000031c0| 74 65 72 6d 69 6e 61 74 | 65 20 77 69 74 68 20 65 |terminat|e with e|
|000031d0| 72 72 6f 72 20 73 74 61 | 74 75 73 20 2a 2f 0a 20 |rror sta|tus */. |
|000031e0| 20 28 76 6f 69 64 29 20 | 74 65 72 6d 69 6e 61 74 | (void) |terminat|
|000031f0| 65 28 31 29 3b 0a 7d 0a | 0a 74 65 72 6d 69 6e 61 |e(1);.}.|.termina|
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|00003230| 74 20 66 6f 72 20 63 68 | 69 6c 64 20 2a 2f 0a 23 |t for ch|ild */.#|
|00003240| 69 66 64 65 66 20 42 53 | 44 0a 20 20 69 66 20 28 |ifdef BS|D.  if (|
|00003250| 70 69 64 29 20 28 76 6f | 69 64 29 20 77 61 69 74 |pid) (vo|id) wait|
|00003260| 28 28 75 6e 69 6f 6e 20 | 77 61 69 74 20 2a 29 20 |((union |wait *) |
|00003270| 30 29 3b 0a 23 65 6e 64 | 69 66 0a 23 69 66 64 65 |0);.#end|if.#ifde|
|00003280| 66 20 53 59 53 56 0a 20 | 20 69 66 20 28 70 69 64 |f SYSV. | if (pid|
|00003290| 29 20 28 76 6f 69 64 29 | 20 77 61 69 74 28 28 69 |) (void)| wait((i|
|000032a0| 6e 74 20 2a 29 20 30 29 | 3b 0a 23 65 6e 64 69 66 |nt *) 0)|;.#endif|
|000032b0| 0a 0a 20 20 65 78 69 74 | 28 73 74 61 74 29 3b 0a |..  exit|(stat);.|
|000032c0| 7d 0a 0a 73 65 74 64 65 | 66 61 75 6c 74 73 28 29 |}..setde|faults()|
|000032d0| 0a 2f 2a 20 73 65 74 20 | 64 65 66 61 75 6c 74 20 |./* set |default |
|000032e0| 76 61 6c 75 65 73 20 2a | 2f 0a 7b 0a 20 20 69 66 |values *|/.{.  if|
|000032f0| 64 20 3d 20 53 54 44 49 | 4e 3b 0a 20 20 6f 66 64 |d = STDI|N;.  ofd|
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|00003310| 20 3d 20 6f 62 73 20 3d | 20 44 45 46 42 53 3b 20 | = obs =| DEFBS; |
|00003320| 20 20 2f 2a 20 62 6c 6f | 63 6b 20 73 69 7a 65 73 |  /* blo|ck sizes|
|00003330| 20 2a 2f 0a 20 20 63 62 | 73 20 3d 20 30 3b 20 20 | */.  cb|s = 0;  |
|00003340| 20 20 20 2f 2a 20 69 6e | 69 74 69 61 6c 6c 79 3b |   /* in|itially;|
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|00003370| 73 29 20 2a 2f 0a 7d 0a | 0a 70 61 72 73 65 61 72 |s) */.}.|.parsear|
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|000033a0| 61 72 20 2a 61 72 67 76 | 5b 5d 3b 0a 20 20 2f 2a |ar *argv|[];.  /*|
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|000033c0| 20 2a 2f 0a 7b 0a 20 20 | 2f 2a 20 63 6f 6e 73 74 | */.{.  |/* const|
|000033d0| 61 6e 74 20 73 74 72 69 | 6e 67 73 20 22 61 72 72 |ant stri|ngs "arr|
|000033e0| 61 79 22 20 66 6f 72 20 | 72 65 63 6f 67 6e 69 7a |ay" for |recogniz|
|000033f0| 69 6e 67 20 6f 70 74 69 | 6f 6e 73 20 2a 2f 0a 20 |ing opti|ons */. |
|00003400| 20 73 74 61 74 69 63 20 | 73 74 72 75 63 74 20 7b | static |struct {|
|00003410| 0a 20 20 20 20 63 68 61 | 72 20 2a 49 46 2c 20 2a |.    cha|r *IF, *|
|00003420| 4f 46 2c 20 2a 43 42 53 | 2c 20 2a 49 42 53 2c 20 |OF, *CBS|, *IBS, |
|00003430| 2a 4f 42 53 2c 20 2a 42 | 53 2c 20 2a 4e 4f 54 48 |*OBS, *B|S, *NOTH|
|00003440| 49 4e 47 3b 0a 20 20 7d | 20 63 6f 6e 73 74 73 20 |ING;.  }| consts |
|00003450| 3d 20 7b 0a 20 20 20 20 | 22 69 66 3d 22 2c 20 22 |= {.    |"if=", "|
|00003460| 6f 66 3d 22 2c 20 22 63 | 62 73 3d 22 2c 20 22 69 |of=", "c|bs=", "i|
|00003470| 62 73 3d 22 2c 20 22 6f | 62 73 3d 22 2c 20 22 62 |bs=", "o|bs=", "b|
|00003480| 73 3d 22 2c 20 22 22 0a | 20 20 20 20 7d 3b 0a 20 |s=", "".|    };. |
|00003490| 20 63 68 61 72 20 2a 2a | 63 6f 6e 73 74 70 3b 20 | char **|constp; |
|000034a0| 20 20 20 20 20 20 2f 2a | 20 63 6f 6e 73 74 20 73 |      /*| const s|
|000034b0| 74 72 75 63 74 75 72 65 | 20 70 6f 69 6e 74 65 72 |tructure| pointer|
|000034c0| 20 2a 2f 0a 0a 20 20 66 | 6f 72 20 28 61 72 67 63 | */..  f|or (argc|
|000034d0| 2d 2d 2c 20 61 72 67 76 | 2b 2b 3b 20 61 72 67 63 |--, argv|++; argc|
|000034e0| 20 3e 20 30 3b 20 61 72 | 67 63 2d 2d 2c 20 61 72 | > 0; ar|gc--, ar|
|000034f0| 67 76 2b 2b 29 20 7b 0a | 20 20 20 20 63 6f 6e 73 |gv++) {.|    cons|
|00003500| 74 70 20 3d 20 28 63 68 | 61 72 20 2a 2a 29 20 26 |tp = (ch|ar **) &|
|00003510| 63 6f 6e 73 74 73 3b 0a | 20 20 20 20 77 68 69 6c |consts;.|    whil|
|00003520| 65 20 28 2a 2a 63 6f 6e | 73 74 70 20 26 26 20 73 |e (**con|stp && s|
|00003530| 74 72 6e 63 6d 70 28 2a | 61 72 67 76 2c 20 2a 63 |trncmp(*|argv, *c|
|00003540| 6f 6e 73 74 70 2c 20 73 | 74 72 6c 65 6e 28 2a 63 |onstp, s|trlen(*c|
|00003550| 6f 6e 73 74 70 29 29 29 | 0a 20 20 20 20 20 20 63 |onstp)))|.      c|
|00003560| 6f 6e 73 74 70 2b 2b 3b | 0a 20 20 20 20 2f 2a 20 |onstp++;|.    /* |
|00003570| 63 6f 6e 73 74 70 20 6e | 6f 77 20 70 6f 69 6e 74 |constp n|ow point|
|00003580| 73 20 74 6f 20 6f 6e 65 | 20 6f 66 20 74 68 65 20 |s to one| of the |
|00003590| 70 6f 69 6e 74 65 72 73 | 20 69 6e 20 63 6f 6e 73 |pointers| in cons|
|000035a0| 74 73 20 73 74 72 75 63 | 74 75 72 65 20 2a 2f 0a |ts struc|ture */.|
|000035b0| 20 20 20 20 2a 61 72 67 | 76 20 2b 3d 20 73 74 72 |    *arg|v += str|
|000035c0| 6c 65 6e 28 2a 63 6f 6e | 73 74 70 29 3b 20 20 2f |len(*con|stp);  /|
|000035d0| 2a 20 73 6b 69 70 20 74 | 68 65 20 63 6f 6e 73 74 |* skip t|he const|
|000035e0| 61 6e 74 20 70 61 72 74 | 20 6f 66 20 74 68 65 20 |ant part| of the |
|000035f0| 61 72 67 75 6d 65 6e 74 | 20 2a 2f 0a 20 20 20 20 |argument| */.    |
|00003600| 69 66 20 28 63 6f 6e 73 | 74 70 20 3d 3d 20 26 63 |if (cons|tp == &c|
|00003610| 6f 6e 73 74 73 2e 49 46 | 29 20 7b 20 20 20 20 20 |onsts.IF|) {     |
|00003620| 20 20 20 2f 2a 20 6f 70 | 65 6e 20 61 6e 6f 74 68 |   /* op|en anoth|
|00003630| 65 72 20 66 69 6c 65 20 | 66 6f 72 20 69 6e 70 75 |er file |for inpu|
|00003640| 74 20 2a 2f 0a 20 20 20 | 20 20 20 69 66 64 20 3d |t */.   |   ifd =|
|00003650| 20 6f 70 65 6e 28 2a 61 | 72 67 76 2c 20 4f 5f 52 | open(*a|rgv, O_R|
|00003660| 44 4f 4e 4c 59 29 3b 0a | 20 20 20 20 20 20 69 66 |DONLY);.|      if|
|00003670| 20 28 69 66 64 20 3c 20 | 30 29 20 70 65 72 72 6f | (ifd < |0) perro|
|00003680| 72 20 28 2a 61 72 67 76 | 29 3b 0a 20 20 20 20 7d |r (*argv|);.    }|
|00003690| 20 65 6c 73 65 20 69 66 | 20 28 63 6f 6e 73 74 70 | else if| (constp|
|000036a0| 20 3d 3d 20 26 63 6f 6e | 73 74 73 2e 4f 46 29 20 | == &con|sts.OF) |
|000036b0| 7b 0a 20 20 20 20 20 20 | 6f 66 64 20 3d 20 6f 70 |{.      |ofd = op|
|000036c0| 65 6e 28 2a 61 72 67 76 | 2c 20 4f 5f 57 52 4f 4e |en(*argv|, O_WRON|
|000036d0| 4c 59 20 7c 20 4f 5f 43 | 52 45 41 54 29 3b 20 20 |LY | O_C|REAT);  |
|000036e0| 20 2f 2a 20 6f 70 65 6e | 20 66 69 6c 65 20 66 6f | /* open| file fo|
|000036f0| 72 20 6f 75 74 70 75 74 | 20 2a 2f 0a 20 20 20 20 |r output| */.    |
|00003700| 20 20 69 66 20 28 6f 66 | 64 20 3c 20 30 29 20 70 |  if (of|d < 0) p|
|00003710| 65 72 72 6f 72 20 28 2a | 61 72 67 76 29 3b 0a 20 |error (*|argv);. |
|00003720| 20 20 20 7d 20 65 6c 73 | 65 20 69 66 20 28 63 6f |   } els|e if (co|
|00003730| 6e 73 74 70 20 3d 3d 20 | 26 63 6f 6e 73 74 73 2e |nstp == |&consts.|
|00003740| 43 42 53 29 20 7b 20 20 | 20 20 20 20 20 20 2f 2a |CBS) {  |      /*|
|00003750| 20 73 65 74 20 62 75 66 | 66 65 72 20 73 69 7a 65 | set buf|fer size|
|00003760| 20 2a 2f 0a 20 20 20 20 | 20 20 63 62 73 20 3d 20 | */.    |  cbs = |
|00003770| 65 76 61 6c 6f 70 74 28 | 2a 61 72 67 76 29 3b 0a |evalopt(|*argv);.|
|00003780| 20 20 20 20 7d 20 65 6c | 73 65 20 69 66 20 28 63 |    } el|se if (c|
|00003790| 6f 6e 73 74 70 20 3d 3d | 20 26 63 6f 6e 73 74 73 |onstp ==| &consts|
|000037a0| 2e 49 42 53 29 20 7b 20 | 20 20 20 20 20 20 20 2f |.IBS) { |       /|
|000037b0| 2a 20 73 65 74 20 69 6e | 70 75 74 20 62 6c 6f 63 |* set in|put bloc|
|000037c0| 6b 20 73 69 7a 65 20 2a | 2f 0a 20 20 20 20 20 20 |k size *|/.      |
|000037d0| 69 62 73 20 3d 20 65 76 | 61 6c 6f 70 74 28 2a 61 |ibs = ev|alopt(*a|
|000037e0| 72 67 76 29 3b 0a 20 20 | 20 20 7d 20 65 6c 73 65 |rgv);.  |  } else|
|000037f0| 20 69 66 20 28 63 6f 6e | 73 74 70 20 3d 3d 20 26 | if (con|stp == &|
|00003800| 63 6f 6e 73 74 73 2e 4f | 42 53 29 20 7b 20 20 20 |consts.O|BS) {   |
|00003810| 20 20 20 20 20 2f 2a 20 | 73 65 74 20 6f 75 74 70 |     /* |set outp|
|00003820| 75 74 20 62 6c 6f 63 6b | 20 73 69 7a 65 20 2a 2f |ut block| size */|
|00003830| 0a 20 20 20 20 20 20 6f | 62 73 20 3d 20 65 76 61 |.      o|bs = eva|
|00003840| 6c 6f 70 74 28 2a 61 72 | 67 76 29 3b 0a 20 20 20 |lopt(*ar|gv);.   |
|00003850| 20 7d 20 65 6c 73 65 20 | 69 66 20 28 63 6f 6e 73 | } else |if (cons|
|00003860| 74 70 20 3d 3d 20 26 63 | 6f 6e 73 74 73 2e 42 53 |tp == &c|onsts.BS|
|00003870| 29 20 7b 20 2f 2a 20 73 | 65 74 20 69 6e 70 75 74 |) { /* s|et input|
|00003880| 20 61 6e 64 20 6f 75 74 | 70 75 74 20 62 6c 6f 63 | and out|put bloc|
|00003890| 6b 20 73 69 7a 65 73 20 | 2a 2f 0a 20 20 20 20 20 |k sizes |*/.     |
|000038a0| 20 69 62 73 20 3d 20 6f | 62 73 20 3d 20 65 76 61 | ibs = o|bs = eva|
|000038b0| 6c 6f 70 74 28 2a 61 72 | 67 76 29 3b 0a 20 20 20 |lopt(*ar|gv);.   |
|000038c0| 20 7d 20 65 6c 73 65 20 | 7b 0a 20 20 20 20 20 20 | } else |{.      |
|000038d0| 28 76 6f 69 64 29 20 66 | 70 72 69 6e 74 66 28 73 |(void) f|printf(s|
|000038e0| 74 64 65 72 72 2c 0a 20 | 20 20 20 20 20 20 20 20 |tderr,. |        |
|000038f0| 20 20 20 20 20 20 20 20 | 20 20 20 22 75 73 61 67 |        |   "usag|
|00003900| 65 3a 20 64 64 64 20 5b | 69 66 3d 6e 61 6d 65 5d |e: ddd [|if=name]|
|00003910| 20 5b 6f 66 3d 6e 61 6d | 65 5d 20 5b 62 73 3d 6e | [of=nam|e] [bs=n|
|00003920| 5d 20 5b 69 62 73 3d 6e | 20 6f 62 73 3d 6e 5d 5c |] [ibs=n| obs=n]\|
|00003930| 6e 22 29 3b 0a 20 20 20 | 20 20 20 65 78 69 74 28 |n");.   |   exit(|
|00003940| 31 29 3b 0a 20 20 20 20 | 7d 0a 20 20 7d 20 2f 2a |1);.    |}.  } /*|
|00003950| 20 65 6e 64 20 6f 66 20 | 66 6f 72 20 6c 6f 6f 70 | end of |for loop|
|00003960| 20 2a 2f 0a 7d 20 2f 2a | 20 65 6e 64 20 6f 66 20 | */.} /*| end of |
|00003970| 70 61 72 73 65 61 72 67 | 75 6d 65 6e 74 73 28 29 |parsearg|uments()|
|00003980| 20 2a 2f 0a 0a 65 76 61 | 6c 6f 70 74 28 70 29 20 | */..eva|lopt(p) |
|00003990| 2f 2a 20 72 65 74 75 72 | 6e 20 6e 75 6d 65 72 69 |/* retur|n numeri|
|000039a0| 63 61 6c 20 76 61 6c 75 | 65 20 6f 66 20 73 74 72 |cal valu|e of str|
|000039b0| 69 6e 67 20 2a 2f 0a 63 | 68 61 72 20 2a 70 3b 0a |ing */.c|har *p;.|
|000039c0| 7b 0a 20 20 69 6e 74 20 | 74 65 6d 70 20 3d 20 30 |{.  int |temp = 0|
|000039d0| 3b 0a 0a 20 20 66 6f 72 | 20 28 20 3b 20 2a 70 20 |;..  for| ( ; *p |
|000039e0| 3e 3d 20 27 30 27 20 26 | 26 20 2a 70 20 3c 3d 20 |>= '0' &|& *p <= |
|000039f0| 27 39 27 3b 20 70 2b 2b | 29 0a 20 20 20 20 74 65 |'9'; p++|).    te|
|00003a00| 6d 70 20 3d 20 74 65 6d | 70 20 2a 20 31 30 20 2b |mp = tem|p * 10 +|
|00003a10| 20 2a 70 20 2d 20 27 30 | 27 3b 0a 20 20 69 66 20 | *p - '0|';.  if |
|00003a20| 28 74 65 6d 70 20 3c 20 | 31 29 20 7b 0a 20 20 20 |(temp < |1) {.   |
|00003a30| 20 28 76 6f 69 64 29 20 | 66 70 72 69 6e 74 66 28 | (void) |fprintf(|
|00003a40| 73 74 64 65 72 72 2c 20 | 22 64 64 64 3a 20 69 6c |stderr, |"ddd: il|
|00003a50| 6c 65 67 61 6c 20 73 69 | 7a 65 20 6f 70 74 69 6f |legal si|ze optio|
|00003a60| 6e 5c 6e 22 29 3b 0a 20 | 20 20 20 65 78 69 74 28 |n\n");. |   exit(|
|00003a70| 31 29 3b 0a 20 20 7d 0a | 20 20 73 77 69 74 63 68 |1);.  }.|  switch|
|00003a80| 20 28 2a 70 29 20 7b 0a | 20 20 63 61 73 65 20 27 | (*p) {.|  case '|
|00003a90| 5c 30 27 3a 0a 20 20 20 | 20 72 65 74 75 72 6e 28 |\0':.   | return(|
|00003aa0| 74 65 6d 70 29 3b 0a 20 | 20 63 61 73 65 20 27 77 |temp);. | case 'w|
|00003ab0| 27 3a 0a 20 20 63 61 73 | 65 20 27 57 27 3a 0a 20 |':.  cas|e 'W':. |
|00003ac0| 20 20 20 72 65 74 75 72 | 6e 28 74 65 6d 70 20 3c |   retur|n(temp <|
|00003ad0| 3c 20 32 29 3b 20 2f 2a | 20 34 2d 62 79 74 65 20 |< 2); /*| 4-byte |
|00003ae0| 77 6f 72 64 73 20 2a 2f | 0a 20 20 63 61 73 65 20 |words */|.  case |
|00003af0| 27 62 27 3a 0a 20 20 63 | 61 73 65 20 27 42 27 3a |'b':.  c|ase 'B':|
|00003b00| 0a 20 20 20 20 72 65 74 | 75 72 6e 28 74 65 6d 70 |.    ret|urn(temp|
|00003b10| 20 3c 3c 20 39 29 3b 20 | 2f 2a 20 35 31 32 2d 62 | << 9); |/* 512-b|
|00003b20| 79 74 65 20 62 6c 6f 63 | 6b 73 20 2a 2f 0a 20 20 |yte bloc|ks */.  |
|00003b30| 63 61 73 65 20 27 6b 27 | 3a 0a 20 20 63 61 73 65 |case 'k'|:.  case|
|00003b40| 20 27 4b 27 3a 0a 20 20 | 20 20 72 65 74 75 72 6e | 'K':.  |  return|
|00003b50| 28 74 65 6d 70 20 3c 3c | 20 31 30 29 3b 20 20 20 |(temp <<| 10);   |
|00003b60| 20 20 20 20 20 2f 2a 20 | 6b 69 6c 6f 62 79 74 65 |     /* |kilobyte|
|00003b70| 73 20 2a 2f 0a 20 20 64 | 65 66 61 75 6c 74 3a 0a |s */.  d|efault:.|
|00003b80| 20 20 20 20 28 76 6f 69 | 64 29 20 66 70 72 69 6e |    (voi|d) fprin|
|00003b90| 74 66 28 73 74 64 65 72 | 72 2c 20 22 64 64 64 3a |tf(stder|r, "ddd:|
|00003ba0| 20 62 61 64 20 73 69 7a | 65 20 6f 70 74 69 6f 6e | bad siz|e option|
|00003bb0| 5c 6e 22 29 3b 0a 20 20 | 20 20 65 78 69 74 28 31 |\n");.  |  exit(1|
|00003bc0| 29 3b 0a 20 20 7d 0a 20 | 20 2f 2a 20 4e 4f 54 52 |);.  }. | /* NOTR|
|00003bd0| 45 41 43 48 45 44 20 2a | 2f 0a 7d 20 20 20 20 20 |EACHED *|/.}     |
|00003be0| 20 2f 2a 20 65 6e 64 20 | 6f 66 20 65 76 61 6c 6f | /* end |of evalo|
|00003bf0| 70 74 28 29 20 2a 2f 0a | 0a 69 6e 69 74 62 75 66 |pt() */.|.initbuf|
|00003c00| 66 65 72 28 29 0a 2f 2a | 20 69 6e 69 74 69 61 6c |fer()./*| initial|
|00003c10| 69 7a 65 20 62 75 66 66 | 65 72 20 2a 2f 0a 7b 0a |ize buff|er */.{.|
|00003c20| 20 20 63 62 73 20 3d 20 | 6d 61 78 28 63 62 73 2c |  cbs = |max(cbs,|
|00003c30| 20 6d 61 78 28 69 62 73 | 2c 20 6f 62 73 29 29 3b | max(ibs|, obs));|
|00003c40| 20 20 20 20 20 20 20 2f | 2a 20 64 65 74 65 72 6d |       /|* determ|
|00003c50| 69 6e 65 20 62 75 66 66 | 65 72 20 73 69 7a 65 20 |ine buff|er size |
|00003c60| 2a 2f 0a 20 20 69 66 20 | 28 63 62 73 20 25 20 69 |*/.  if |(cbs % i|
|00003c70| 62 73 20 7c 7c 20 63 62 | 73 20 25 20 6f 62 73 29 |bs || cb|s % obs)|
|00003c80| 20 7b 0a 20 20 20 20 28 | 76 6f 69 64 29 20 66 70 | {.    (|void) fp|
|00003c90| 72 69 6e 74 66 28 73 74 | 64 65 72 72 2c 20 22 64 |rintf(st|derr, "d|
|00003ca0| 64 64 3a 20 77 61 72 6e | 69 6e 67 3a 20 69 6e 63 |dd: warn|ing: inc|
|00003cb0| 6f 6d 70 61 74 69 62 6c | 65 20 62 6c 6f 63 6b 2f |ompatibl|e block/|
|00003cc0| 62 75 66 66 65 72 20 73 | 69 7a 65 73 5c 6e 22 29 |buffer s|izes\n")|
|00003cd0| 3b 0a 20 20 7d 0a 20 20 | 62 75 66 66 65 72 20 3d |;.  }.  |buffer =|
|00003ce0| 20 6d 61 6c 6c 6f 63 28 | 28 75 6e 73 69 67 6e 65 | malloc(|(unsigne|
|00003cf0| 64 29 20 63 62 73 29 3b | 0a 20 20 69 66 20 28 62 |d) cbs);|.  if (b|
|00003d00| 75 66 66 65 72 20 3d 3d | 20 4e 55 4c 4c 29 20 7b |uffer ==| NULL) {|
|00003d10| 0a 20 20 20 20 28 76 6f | 69 64 29 20 70 65 72 72 |.    (vo|id) perr|
|00003d20| 6f 72 28 22 64 64 64 3a | 20 63 61 6e 6e 6f 74 20 |or("ddd:| cannot |
|00003d30| 61 6c 6c 6f 63 61 74 65 | 20 62 75 66 66 65 72 22 |allocate| buffer"|
|00003d40| 29 3b 0a 20 20 20 20 65 | 78 69 74 28 31 29 3b 0a |);.    e|xit(1);.|
|00003d50| 20 20 7d 0a 7d 20 20 20 | 20 20 20 2f 2a 20 65 6e |  }.}   |   /* en|
|00003d60| 64 20 6f 66 20 69 6e 69 | 74 62 75 66 66 65 72 28 |d of ini|tbuffer(|
|00003d70| 29 20 2a 2f 0a 0a 69 6e | 69 74 74 6f 6b 65 6e 73 |) */..in|ittokens|
|00003d80| 28 29 0a 2f 2a 20 69 6e | 69 74 69 61 6c 69 7a 65 |()./* in|itialize|
|00003d90| 20 74 6f 6b 65 6e 20 70 | 61 73 73 69 6e 67 20 73 | token p|assing s|
|00003da0| 79 73 74 65 6d 20 77 69 | 74 68 20 32 20 70 69 70 |ystem wi|th 2 pip|
|00003db0| 65 73 20 2a 2f 0a 7b 0a | 20 20 69 66 28 70 69 70 |es */.{.|  if(pip|
|00003dc0| 65 28 70 69 70 65 66 64 | 5b 52 54 4f 4b 5f 50 5d |e(pipefd|[RTOK_P]|
|00003dd0| 29 20 3c 20 30 20 7c 7c | 20 70 69 70 65 28 70 69 |) < 0 ||| pipe(pi|
|00003de0| 70 65 66 64 5b 57 54 4f | 4b 5f 50 5d 29 20 3c 20 |pefd[WTO|K_P]) < |
|00003df0| 30 29 20 7b 0a 20 20 20 | 20 28 76 6f 69 64 29 20 |0) {.   | (void) |
|00003e00| 70 65 72 72 6f 72 28 22 | 64 64 64 3a 20 63 61 6e |perror("|ddd: can|
|00003e10| 6e 6f 74 20 63 72 65 61 | 74 65 20 74 6f 6b 65 6e |not crea|te token|
|00003e20| 20 70 69 70 65 73 22 29 | 3b 0a 20 20 20 20 65 78 | pipes")|;.    ex|
|00003e30| 69 74 28 31 29 3b 0a 20 | 20 7d 0a 20 20 2f 2a 20 |it(1);. | }.  /* |
|00003e40| 63 72 65 61 74 65 20 69 | 6e 69 74 69 61 6c 20 74 |create i|nitial t|
|00003e50| 6f 6b 65 6e 73 20 2a 2f | 0a 20 20 28 76 6f 69 64 |okens */|.  (void|
|00003e60| 29 20 70 61 73 73 74 6f | 6b 65 6e 28 52 54 4f 4b |) passto|ken(RTOK|
|00003e70| 5f 50 2c 20 54 4f 4b 5f | 43 4f 4e 54 29 3b 0a 20 |_P, TOK_|CONT);. |
|00003e80| 20 28 76 6f 69 64 29 20 | 70 61 73 73 74 6f 6b 65 | (void) |passtoke|
|00003e90| 6e 28 57 54 4f 4b 5f 50 | 2c 20 54 4f 4b 5f 43 4f |n(WTOK_P|, TOK_CO|
|00003ea0| 4e 54 29 3b 0a 7d 20 20 | 20 20 20 20 2f 2a 20 65 |NT);.}  |    /* e|
|00003eb0| 6e 64 20 6f 66 20 69 6e | 69 74 74 6f 6b 65 6e 73 |nd of in|ittokens|
|00003ec0| 28 29 20 2a 2f 0a 0a 70 | 61 73 73 74 6f 6b 65 6e |() */..p|asstoken|
|00003ed0| 28 70 69 70 65 6e 75 6d | 2c 20 74 6f 6b 65 6e 29 |(pipenum|, token)|
|00003ee0| 0a 69 6e 74 20 70 69 70 | 65 6e 75 6d 3b 0a 63 68 |.int pip|enum;.ch|
|00003ef0| 61 72 20 74 6f 6b 65 6e | 3b 0a 2f 2a 20 70 61 73 |ar token|;./* pas|
|00003f00| 73 20 61 20 74 6f 6b 65 | 6e 20 74 6f 20 61 20 70 |s a toke|n to a p|
|00003f10| 69 70 65 20 2a 2f 0a 7b | 0a 20 20 69 66 20 28 77 |ipe */.{|.  if (w|
|00003f20| 72 69 74 65 28 70 69 70 | 65 66 64 5b 70 69 70 65 |rite(pip|efd[pipe|
|00003f30| 6e 75 6d 5d 5b 50 5f 57 | 45 4e 44 5d 2c 20 26 74 |num][P_W|END], &t|
|00003f40| 6f 6b 65 6e 2c 20 31 29 | 20 3c 20 31 29 20 7b 0a |oken, 1)| < 1) {.|
|00003f50| 20 20 20 20 28 76 6f 69 | 64 29 20 70 65 72 72 6f |    (voi|d) perro|
|00003f60| 72 28 22 64 64 64 3a 20 | 63 61 6e 6e 6f 74 20 77 |r("ddd: |cannot w|
|00003f70| 72 69 74 65 20 74 6f 6b | 65 6e 20 74 6f 20 70 69 |rite tok|en to pi|
|00003f80| 70 65 22 29 3b 0a 20 20 | 20 20 65 78 69 74 28 31 |pe");.  |  exit(1|
|00003f90| 29 3b 0a 20 20 7d 0a 7d | 20 20 20 20 20 20 2f 2a |);.  }.}|      /*|
|00003fa0| 20 65 6e 64 20 6f 66 20 | 70 61 73 73 74 6f 6b 65 | end of |passtoke|
|00003fb0| 6e 28 29 20 2a 2f 0a 0a | 67 65 74 74 6f 6b 65 6e |n() */..|gettoken|
|00003fc0| 28 70 69 70 65 6e 75 6d | 29 0a 69 6e 74 20 70 69 |(pipenum|).int pi|
|00003fd0| 70 65 6e 75 6d 3b 0a 2f | 2a 20 77 61 69 74 20 74 |penum;./|* wait t|
|00003fe0| 6f 20 72 65 61 64 20 61 | 20 74 6f 6b 65 6e 20 66 |o read a| token f|
|00003ff0| 72 6f 6d 20 74 68 65 20 | 70 69 70 65 3b 20 61 6c |rom the |pipe; al|
|00004000| 73 6f 20 73 65 65 20 69 | 66 20 77 65 20 73 68 6f |so see i|f we sho|
|00004010| 75 6c 64 20 73 74 6f 70 | 20 2a 2f 0a 7b 0a 20 20 |uld stop| */.{.  |
|00004020| 63 68 61 72 20 74 6f 6b | 65 6e 62 75 66 3b 0a 0a |char tok|enbuf;..|
|00004030| 20 20 69 66 20 28 72 65 | 61 64 28 70 69 70 65 66 |  if (re|ad(pipef|
|00004040| 64 5b 70 69 70 65 6e 75 | 6d 5d 5b 50 5f 52 45 4e |d[pipenu|m][P_REN|
|00004050| 44 5d 2c 20 26 74 6f 6b | 65 6e 62 75 66 2c 20 31 |D], &tok|enbuf, 1|
|00004060| 29 20 3c 20 31 29 20 7b | 0a 20 20 20 20 28 76 6f |) < 1) {|.    (vo|
|00004070| 69 64 29 20 70 65 72 72 | 6f 72 28 22 64 64 64 3a |id) perr|or("ddd:|
|00004080| 20 63 61 6e 6e 6f 74 20 | 72 65 61 64 20 74 6f 6b | cannot |read tok|
|00004090| 65 6e 20 66 72 6f 6d 20 | 70 69 70 65 22 29 3b 0a |en from |pipe");.|
|000040a0| 20 20 20 20 65 78 69 74 | 28 31 29 3b 0a 20 20 7d |    exit|(1);.  }|
|000040b0| 0a 20 20 69 66 20 28 74 | 6f 6b 65 6e 62 75 66 20 |.  if (t|okenbuf |
|000040c0| 21 3d 20 54 4f 4b 5f 43 | 4f 4e 54 29 20 7b 20 20 |!= TOK_C|ONT) {  |
|000040d0| 2f 2a 20 77 65 20 64 69 | 64 20 6e 6f 74 20 67 65 |/* we di|d not ge|
|000040e0| 74 20 77 68 61 74 20 77 | 65 20 77 61 6e 74 65 64 |t what w|e wanted|
|000040f0| 20 2a 2f 0a 20 20 20 20 | 28 76 6f 69 64 29 20 67 | */.    |(void) g|
|00004100| 65 74 63 6f 75 6e 74 65 | 72 73 28 70 69 70 65 6e |etcounte|rs(pipen|
|00004110| 75 6d 29 3b 20 20 20 20 | 20 20 20 2f 2a 20 72 65 |um);    |   /* re|
|00004120| 70 6f 72 74 20 72 65 63 | 6f 72 64 20 63 6f 75 6e |port rec|ord coun|
|00004130| 74 65 72 73 20 2a 2f 0a | 20 20 20 20 74 65 72 6d |ters */.|    term|
|00004140| 69 6e 61 74 65 28 74 6f | 6b 65 6e 62 75 66 20 3d |inate(to|kenbuf =|
|00004150| 3d 20 54 4f 4b 5f 44 4f | 4e 45 29 3b 20 20 20 2f |= TOK_DO|NE);   /|
|00004160| 2a 20 54 4f 4b 5f 44 4f | 4e 45 20 6d 65 61 6e 73 |* TOK_DO|NE means|
|00004170| 20 6e 6f 20 65 72 72 6f | 72 20 2a 2f 0a 20 20 7d | no erro|r */.  }|
|00004180| 0a 7d 20 20 20 20 20 20 | 2f 2a 20 65 6e 64 20 6f |.}      |/* end o|
|00004190| 66 20 67 65 74 74 6f 6b | 65 6e 28 29 20 2a 2f 0a |f gettok|en() */.|
|000041a0| 0a 70 61 73 73 63 6f 75 | 6e 74 65 72 73 28 70 69 |.passcou|nters(pi|
|000041b0| 70 65 6e 75 6d 29 0a 69 | 6e 74 20 70 69 70 65 6e |penum).i|nt pipen|
|000041c0| 75 6d 3b 0a 2f 2a 20 70 | 61 73 73 20 72 65 61 64 |um;./* p|ass read|
|000041d0| 2f 77 72 69 74 65 20 63 | 6f 75 6e 74 65 72 73 20 |/write c|ounters |
|000041e0| 74 6f 20 74 68 65 20 6f | 74 68 65 72 20 70 72 6f |to the o|ther pro|
|000041f0| 63 65 73 73 20 2a 2f 0a | 7b 0a 20 20 69 66 20 28 |cess */.|{.  if (|
|00004200| 77 72 69 74 65 28 70 69 | 70 65 66 64 5b 70 69 70 |write(pi|pefd[pip|
|00004210| 65 6e 75 6d 5d 5b 50 5f | 57 45 4e 44 5d 2c 20 28 |enum][P_|WEND], (|
|00004220| 63 68 61 72 20 2a 29 20 | 63 6f 75 6e 74 65 72 73 |char *) |counters|
|00004230| 2c 0a 20 20 20 20 20 20 | 20 20 20 20 20 73 69 7a |,.      |     siz|
|00004240| 65 6f 66 28 63 6f 75 6e | 74 65 72 73 29 29 20 3c |eof(coun|ters)) <|
|00004250| 20 73 69 7a 65 6f 66 28 | 63 6f 75 6e 74 65 72 73 | sizeof(|counters|
|00004260| 29 29 20 7b 0a 20 20 20 | 20 28 76 6f 69 64 29 20 |)) {.   | (void) |
|00004270| 70 65 72 72 6f 72 28 22 | 64 64 64 3a 20 63 61 6e |perror("|ddd: can|
|00004280| 6e 6f 74 20 77 72 69 74 | 65 20 63 6f 75 6e 74 65 |not writ|e counte|
|00004290| 72 73 20 74 6f 20 70 69 | 70 65 22 29 3b 0a 20 20 |rs to pi|pe");.  |
|000042a0| 20 20 65 78 69 74 28 31 | 29 3b 0a 20 20 7d 0a 7d |  exit(1|);.  }.}|
|000042b0| 0a 0a 67 65 74 63 6f 75 | 6e 74 65 72 73 28 70 69 |..getcou|nters(pi|
|000042c0| 70 65 6e 75 6d 29 0a 69 | 6e 74 20 70 69 70 65 6e |penum).i|nt pipen|
|000042d0| 75 6d 3b 0a 2f 2a 20 72 | 65 70 6f 72 74 20 69 6e |um;./* r|eport in|
|000042e0| 70 75 74 2f 6f 75 74 70 | 75 74 20 72 65 63 6f 72 |put/outp|ut recor|
|000042f0| 64 20 63 6f 75 6e 74 73 | 20 2a 2f 0a 7b 0a 20 20 |d counts| */.{.  |
|00004300| 69 6e 74 20 68 69 73 63 | 6f 75 6e 74 65 72 73 5b |int hisc|ounters[|
|00004310| 34 5d 3b 0a 0a 20 20 69 | 66 20 28 72 65 61 64 28 |4];..  i|f (read(|
|00004320| 70 69 70 65 66 64 5b 70 | 69 70 65 6e 75 6d 5d 5b |pipefd[p|ipenum][|
|00004330| 50 5f 52 45 4e 44 5d 2c | 20 28 63 68 61 72 20 2a |P_REND],| (char *|
|00004340| 29 20 68 69 73 63 6f 75 | 6e 74 65 72 73 2c 0a 20 |) hiscou|nters,. |
|00004350| 20 20 20 20 20 20 20 20 | 20 73 69 7a 65 6f 66 28 |        | sizeof(|
|00004360| 68 69 73 63 6f 75 6e 74 | 65 72 73 29 29 20 3c 20 |hiscount|ers)) < |
|00004370| 73 69 7a 65 6f 66 28 68 | 69 73 63 6f 75 6e 74 65 |sizeof(h|iscounte|
|00004380| 72 73 29 29 20 7b 0a 20 | 20 20 20 28 76 6f 69 64 |rs)) {. |   (void|
|00004390| 29 20 70 65 72 72 6f 72 | 28 22 64 64 64 3a 20 63 |) perror|("ddd: c|
|000043a0| 61 6e 6e 6f 74 20 72 65 | 61 64 20 63 6f 75 6e 74 |annot re|ad count|
|000043b0| 65 72 73 20 66 72 6f 6d | 20 70 69 70 65 22 29 3b |ers from| pipe");|
|000043c0| 0a 20 20 20 20 65 78 69 | 74 28 31 29 3b 0a 20 20 |.    exi|t(1);.  |
|000043d0| 7d 0a 20 20 28 76 6f 69 | 64 29 20 66 70 72 69 6e |}.  (voi|d) fprin|
|000043e0| 74 66 28 73 74 64 65 72 | 72 2c 0a 20 20 20 20 20 |tf(stder|r,.     |
|000043f0| 20 20 20 20 20 20 20 20 | 20 20 20 22 25 64 2b 25 |        |   "%d+%|
|00004400| 64 20 72 65 63 6f 72 64 | 73 20 69 6e 5c 6e 25 64 |d record|s in\n%d|
|00004410| 2b 25 64 20 72 65 63 6f | 72 64 73 20 6f 75 74 5c |+%d reco|rds out\|
|00004420| 6e 22 2c 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |n",.    |        |
|00004430| 20 20 20 20 63 6f 75 6e | 74 65 72 73 5b 46 55 4c |    coun|ters[FUL|
|00004440| 4c 49 4e 5d 20 2b 20 68 | 69 73 63 6f 75 6e 74 65 |LIN] + h|iscounte|
|00004450| 72 73 5b 46 55 4c 4c 49 | 4e 5d 2c 0a 20 20 20 20 |rs[FULLI|N],.    |
|00004460| 20 20 20 20 20 20 20 20 | 20 20 20 20 63 6f 75 6e |        |    coun|
|00004470| 74 65 72 73 5b 53 48 4f | 52 54 49 4e 5d 20 2b 20 |ters[SHO|RTIN] + |
|00004480| 68 69 73 63 6f 75 6e 74 | 65 72 73 5b 53 48 4f 52 |hiscount|ers[SHOR|
|00004490| 54 49 4e 5d 2c 0a 20 20 | 20 20 20 20 20 20 20 20 |TIN],.  |        |
|000044a0| 20 20 20 20 20 20 63 6f | 75 6e 74 65 72 73 5b 46 |      co|unters[F|
|000044b0| 55 4c 4c 4f 55 54 5d 20 | 2b 20 68 69 73 63 6f 75 |ULLOUT] |+ hiscou|
|000044c0| 6e 74 65 72 73 5b 46 55 | 4c 4c 4f 55 54 5d 2c 0a |nters[FU|LLOUT],.|
|000044d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000044e0| 63 6f 75 6e 74 65 72 73 | 5b 53 48 4f 52 54 4f 55 |counters|[SHORTOU|
|000044f0| 54 5d 20 2b 20 68 69 73 | 63 6f 75 6e 74 65 72 73 |T] + his|counters|
|00004500| 5b 53 48 4f 52 54 4f 55 | 54 5d 0a 20 20 20 20 20 |[SHORTOU|T].     |
|00004510| 20 20 20 20 20 20 20 20 | 20 20 20 29 3b 0a 7d 20 |        |   );.} |
|00004520| 20 20 20 20 20 2f 2a 20 | 65 6e 64 20 6f 66 20 70 |     /* |end of p|
|00004530| 72 69 6e 74 63 6f 75 6e | 74 65 72 73 28 29 20 2a |rintcoun|ters() *|
|00004540| 2f 0a 0a 64 6f 66 6f 72 | 6b 28 29 0a 2f 2a 20 66 |/..dofor|k()./* f|
|00004550| 6f 72 6b 20 69 6e 74 6f | 20 32 20 70 72 6f 63 65 |ork into| 2 proce|
|00004560| 73 73 65 73 20 2a 2f 0a | 7b 0a 20 20 69 66 20 28 |sses */.|{.  if (|
|00004570| 28 70 69 64 20 3d 20 66 | 6f 72 6b 28 29 29 20 3c |(pid = f|ork()) <|
|00004580| 20 30 29 20 7b 0a 20 20 | 20 20 28 76 6f 69 64 29 | 0) {.  |  (void)|
|00004590| 20 70 65 72 72 6f 72 28 | 22 64 64 64 3a 20 77 61 | perror(|"ddd: wa|
|000045a0| 72 6e 69 6e 67 3a 20 63 | 61 6e 6e 6f 74 20 66 6f |rning: c|annot fo|
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|00005410| 69 63 0a 74 61 70 65 2c | 20 49 20 75 73 65 20 6f |ic.tape,| I use o|
|00005420| 62 73 3d 31 30 30 62 20 | 61 6e 64 20 63 62 73 3d |bs=100b |and cbs=|
|00005430| 35 30 30 62 20 6f 72 20 | 73 6f 2e 20 20 4c 61 72 |500b or |so.  Lar|
|00005440| 67 65 20 62 6c 6f 63 6b | 20 73 69 7a 65 73 20 28 |ge block| sizes (|
|00005450| 7e 31 30 30 62 29 20 61 | 72 65 0a 61 6c 73 6f 20 |~100b) a|re.also |
|00005460| 65 66 66 65 63 74 69 76 | 65 20 66 6f 72 20 6e 65 |effectiv|e for ne|
|00005470| 74 77 6f 72 6b 20 63 6f | 6e 6e 65 63 74 69 6f 6e |twork co|nnection|
|00005480| 73 2e 20 20 48 6f 77 65 | 76 65 72 2c 20 63 62 73 |s.  Howe|ver, cbs|
|00005490| 20 73 68 6f 75 6c 64 20 | 62 65 20 73 6d 61 6c 6c | should |be small|
|000054a0| 0a 65 6e 6f 75 67 68 20 | 66 6f 72 20 61 6c 6c 20 |.enough |for all |
|000054b0| 74 68 65 20 64 61 74 61 | 20 74 6f 20 66 69 74 20 |the data| to fit |
|000054c0| 69 6e 20 63 6f 72 65 2c | 20 73 69 6e 63 65 20 70 |in core,| since p|
|000054d0| 61 67 65 20 66 61 75 6c | 74 73 20 61 64 64 0a 6f |age faul|ts add.o|
|000054e0| 76 65 72 68 65 61 64 2e | 0a 2e 53 48 20 41 55 54 |verhead.|..SH AUT|
|000054f0| 48 4f 52 0a 54 61 70 61 | 6e 69 20 4c 69 6e 64 67 |HOR.Tapa|ni Lindg|
|00005500| 72 65 6e 20 3c 6e 69 73 | 70 61 40 63 73 2e 68 75 |ren <nis|pa@cs.hu|
|00005510| 74 2e 66 69 3e 0a 2e 62 | 72 0a 4c 61 62 6f 72 61 |t.fi>..b|r.Labora|
|00005520| 74 6f 72 79 20 6f 66 20 | 49 6e 66 6f 72 6d 61 74 |tory of |Informat|
|00005530| 69 6f 6e 20 50 72 6f 63 | 65 73 73 69 6e 67 20 53 |ion Proc|essing S|
|00005540| 63 69 65 6e 63 65 0a 2e | 62 72 0a 48 65 6c 73 69 |cience..|br.Helsi|
|00005550| 6e 6b 69 20 55 6e 69 76 | 65 72 73 69 74 79 20 6f |nki Univ|ersity o|
|00005560| 66 20 54 65 63 68 6e 6f | 6c 6f 67 79 0a 2e 62 72 |f Techno|logy..br|
|00005570| 0a 46 69 6e 6c 61 6e 64 | 0a 2e 53 48 20 53 45 45 |.Finland|..SH SEE|
|00005580| 20 41 4c 53 4f 0a 64 64 | 28 31 29 2c 20 74 61 72 | ALSO.dd|(1), tar|
|00005590| 28 31 29 2c 20 64 75 6d | 70 28 38 29 0a 2e 53 48 |(1), dum|p(8)..SH|
|000055a0| 20 42 55 47 53 0a 53 68 | 6f 75 6c 64 20 79 6f 75 | BUGS.Sh|ould you|
|000055b0| 20 66 69 6e 64 20 6f 6e | 65 2c 20 6c 65 74 20 6d | find on|e, let m|
|000055c0| 65 20 6b 6e 6f 77 21 0a | 2e 53 48 20 57 41 52 4e |e know!.|.SH WARN|
|000055d0| 49 4e 47 0a 28 41 70 70 | 6c 69 65 73 20 74 6f 20 |ING.(App|lies to |
|000055e0| 55 2e 53 2e 20 72 65 73 | 69 64 65 6e 74 73 20 26 |U.S. res|idents &|
|000055f0| 20 63 69 74 69 7a 65 6e | 73 20 6f 6e 6c 79 29 0a | citizen|s only).|
|00005600| 2e 62 72 0a 44 6f 20 6e | 6f 74 20 75 73 65 20 74 |.br.Do n|ot use t|
|00005610| 68 69 73 20 70 72 6f 67 | 72 61 6d 21 20 20 47 65 |his prog|ram!  Ge|
|00005620| 74 20 72 69 64 20 6f 66 | 20 69 74 20 61 73 20 73 |t rid of| it as s|
|00005630| 6f 6f 6e 20 61 73 20 79 | 6f 75 20 63 61 6e 21 0a |oon as y|ou can!.|
|00005640| 49 74 20 77 69 6c 6c 20 | 70 72 6f 62 61 62 6c 79 |It will |probably|
|00005650| 20 63 6f 72 72 75 70 74 | 20 61 6c 6c 20 79 6f 75 | corrupt| all you|
|00005660| 72 20 64 61 74 61 2c 20 | 62 72 65 61 6b 20 64 6f |r data, |break do|
|00005670| 77 6e 20 79 6f 75 72 20 | 63 6f 6d 70 75 74 65 72 |wn your |computer|
|00005680| 0a 61 6e 64 20 63 61 75 | 73 65 20 73 65 76 65 72 |.and cau|se sever|
|00005690| 65 20 69 6e 6a 75 72 79 | 20 74 6f 20 74 68 65 20 |e injury| to the |
|000056a0| 6f 70 65 72 61 74 6f 72 | 73 2e 0a 45 76 65 6e 20 |operator|s..Even |
|000056b0| 72 65 61 64 69 6e 67 20 | 74 68 65 20 73 6f 75 72 |reading |the sour|
|000056c0| 63 65 20 63 6f 64 65 20 | 6d 61 79 20 67 69 76 65 |ce code |may give|
|000056d0| 20 79 6f 75 20 61 20 68 | 65 61 64 61 63 68 65 2e | you a h|eadache.|
|000056e0| 0a 49 20 77 61 72 6e 65 | 64 20 79 6f 75 21 20 20 |.I warne|d you!  |
|000056f0| 49 20 77 69 6c 6c 20 74 | 61 6b 65 20 6e 6f 20 72 |I will t|ake no r|
|00005700| 65 73 70 6f 6e 73 69 62 | 69 6c 69 74 79 20 77 68 |esponsib|ility wh|
|00005710| 61 74 73 6f 65 76 65 72 | 21 0a 00 00 00 00 00 00 |atsoever|!.......|
|00005720| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005730| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005740| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005750| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005760| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005770| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005780| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005790| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000057a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000057b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000057c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000057d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000057e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000057f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005800| 64 64 64 2f 4d 61 6b 65 | 66 69 6c 65 00 00 00 00 |ddd/Make|file....|
|00005810| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005820| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005830| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005840| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005850| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005860| 00 00 00 00 20 20 20 36 | 34 34 20 00 20 20 20 32 |....   6|44 .   2|
|00005870| 34 33 20 00 20 20 20 20 | 31 32 20 00 20 20 20 20 |43 .    |12 .    |
|00005880| 20 20 20 31 32 32 33 20 | 20 34 34 30 34 30 36 32 |   1223 | 4404062|
|00005890| 36 31 32 20 20 20 36 32 | 37 30 00 20 00 00 00 00 |612   62|70. ....|
|000058a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000058b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000058c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000058d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000058e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000058f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005900| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005910| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005920| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005930| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005940| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005950| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005960| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005970| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005980| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005990| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000059a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000059b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000059c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000059d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000059e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000059f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005a00| 23 20 4d 61 6b 65 66 69 | 6c 65 20 66 6f 72 20 64 |# Makefi|le for d|
|00005a10| 64 64 0a 0a 44 45 46 53 | 20 3d 20 2d 44 42 53 44 |dd..DEFS| = -DBSD|
|00005a20| 0a 43 46 4c 41 47 53 20 | 3d 20 2d 4f 20 24 28 44 |.CFLAGS |= -O $(D|
|00005a30| 45 46 53 29 0a 0a 43 43 | 20 3d 20 63 63 0a 4c 49 |EFS)..CC| = cc.LI|
|00005a40| 4e 54 20 3d 20 6c 69 6e | 74 0a 43 50 20 3d 20 63 |NT = lin|t.CP = c|
|00005a50| 70 0a 52 4d 20 3d 20 2f | 62 69 6e 2f 72 6d 20 2d |p.RM = /|bin/rm -|
|00005a60| 66 0a 0a 53 52 43 20 3d | 20 64 64 64 2e 63 0a 4f |f..SRC =| ddd.c.O|
|00005a70| 42 4a 20 3d 20 64 64 64 | 2e 6f 0a 48 45 41 44 20 |BJ = ddd|.o.HEAD |
|00005a80| 3d 0a 42 49 4e 20 3d 20 | 64 64 64 0a 53 48 41 52 |=.BIN = |ddd.SHAR|
|00005a90| 20 3d 20 64 64 64 2e 73 | 68 61 72 0a 0a 42 49 4e | = ddd.s|har..BIN|
|00005aa0| 44 49 52 20 3d 20 2f 75 | 73 72 2f 6c 6f 63 61 6c |DIR = /u|sr/local|
|00005ab0| 2f 62 69 6e 0a 0a 4d 41 | 4e 20 3d 20 64 64 64 2e |/bin..MA|N = ddd.|
|00005ac0| 31 0a 4d 41 4e 44 49 52 | 20 3d 20 2f 75 73 72 2f |1.MANDIR| = /usr/|
|00005ad0| 6c 6f 63 61 6c 2f 6d 61 | 6e 0a 0a 61 6c 6c 3a 20 |local/ma|n..all: |
|00005ae0| 24 28 42 49 4e 29 20 6c | 69 6e 74 0a 20 20 20 20 |$(BIN) l|int.    |
|00005af0| 20 20 20 74 6f 75 63 68 | 20 61 6c 6c 0a 0a 24 28 |   touch| all..$(|
|00005b00| 42 49 4e 29 3a 20 24 28 | 4f 42 4a 29 20 24 28 48 |BIN): $(|OBJ) $(H|
|00005b10| 45 41 44 29 20 4d 61 6b | 65 66 69 6c 65 0a 20 20 |EAD) Mak|efile.  |
|00005b20| 20 20 20 20 20 24 28 43 | 43 29 20 24 28 4f 42 4a |     $(C|C) $(OBJ|
|00005b30| 29 20 2d 6f 20 24 28 42 | 49 4e 29 0a 0a 6c 69 6e |) -o $(B|IN)..lin|
|00005b40| 74 3a 20 24 28 53 52 43 | 29 20 24 28 48 45 41 44 |t: $(SRC|) $(HEAD|
|00005b50| 29 0a 20 20 20 20 20 20 | 20 24 28 4c 49 4e 54 29 |).      | $(LINT)|
|00005b60| 20 24 28 44 45 46 53 29 | 20 24 28 53 52 43 29 0a | $(DEFS)| $(SRC).|
|00005b70| 20 20 20 20 20 20 20 74 | 6f 75 63 68 20 6c 69 6e |       t|ouch lin|
|00005b80| 74 0a 0a 69 6e 73 74 61 | 6c 6c 3a 20 61 6c 6c 0a |t..insta|ll: all.|
|00005b90| 20 20 20 20 20 20 20 73 | 74 72 69 70 20 24 28 42 |       s|trip $(B|
|00005ba0| 49 4e 29 0a 20 20 20 20 | 20 20 20 24 28 43 50 29 |IN).    |   $(CP)|
|00005bb0| 20 24 28 42 49 4e 29 20 | 24 28 42 49 4e 44 49 52 | $(BIN) |$(BINDIR|
|00005bc0| 29 0a 20 20 20 20 20 20 | 20 24 28 43 50 29 20 24 |).      | $(CP) $|
|00005bd0| 28 4d 41 4e 29 20 24 28 | 4d 41 4e 44 49 52 29 0a |(MAN) $(|MANDIR).|
|00005be0| 0a 63 6c 65 61 6e 3a 0a | 20 20 20 20 20 20 20 2d |.clean:.|       -|
|00005bf0| 24 28 52 4d 29 20 24 28 | 42 49 4e 29 20 24 28 4f |$(RM) $(|BIN) $(O|
|00005c00| 42 4a 29 20 61 6c 6c 20 | 6c 69 6e 74 20 61 2e 6f |BJ) all |lint a.o|
|00005c10| 75 74 20 63 6f 72 65 20 | 2a 7e 20 23 2a 20 24 28 |ut core |*~ #* $(|
|00005c20| 53 48 41 52 29 0a 0a 73 | 68 61 72 3a 20 6c 69 6e |SHAR)..s|har: lin|
|00005c30| 74 20 52 45 41 44 4d 45 | 20 24 28 4d 41 4e 29 20 |t README| $(MAN) |
|00005c40| 4d 61 6b 65 66 69 6c 65 | 20 24 28 48 45 41 44 20 |Makefile| $(HEAD |
|00005c50| 24 28 53 52 43 29 0a 20 | 20 20 20 20 20 20 73 68 |$(SRC). |      sh|
|00005c60| 61 72 20 52 45 41 44 4d | 45 20 24 28 4d 41 4e 29 |ar READM|E $(MAN)|
|00005c70| 20 4d 61 6b 65 66 69 6c | 65 20 24 28 48 45 41 44 | Makefil|e $(HEAD|
|00005c80| 29 20 24 28 53 52 43 29 | 20 3e 20 24 28 53 48 41 |) $(SRC)| > $(SHA|
|00005c90| 52 29 0a 63 65 73 73 65 | 73 20 74 6f 20 77 72 69 |R).cesse|s to wri|
|00005ca0| 74 65 0a 74 6f 20 72 61 | 77 20 6d 61 67 6e 65 74 |te.to ra|w magnet|
|00005cb0| 69 63 20 74 61 70 65 2c | 20 74 68 75 73 20 6b 65 |ic tape,| thus ke|
|00005cc0| 65 70 69 6e 67 20 74 68 | 65 20 74 61 70 65 20 63 |eping th|e tape c|
|00005cd0| 6f 6e 74 69 6e 75 6f 75 | 73 6c 79 20 69 6e 20 6d |ontinuou|sly in m|
|00005ce0| 6f 74 69 6f 6e 2e 0a 49 | 20 77 61 6e 74 65 64 20 |otion..I| wanted |
|00005cf0| 74 6f 20 67 65 74 20 74 | 68 65 20 73 61 6d 65 20 |to get t|he same |
|00005d00| 69 6d 70 72 6f 76 65 6d | 65 6e 74 20 74 6f 20 72 |improvem|ent to r|
|00005d10| 65 6d 6f 74 65 20 64 75 | 6d 70 73 2c 20 73 6f 20 |emote du|mps, so |
|00005d20| 74 68 69 73 0a 66 69 6c | 74 65 72 20 77 61 73 20 |this.fil|ter was |
|00005d30| 6e 65 65 64 65 64 2e 20 | 20 44 69 72 65 63 74 69 |needed. | Directi|
|00005d40| 6e 67 20 61 6c 6c 20 70 | 68 79 73 69 63 61 6c 20 |ng all p|hysical |
|00005d50| 49 2f 4f 20 74 68 72 6f | 75 67 68 20 64 64 64 20 |I/O thro|ugh ddd |
|00005d60| 75 73 75 61 6c 6c 79 0a | 69 6e 63 72 65 61 73 65 |usually.|increase|
|00005d70| 73 20 74 68 65 20 74 68 | 72 6f 75 67 68 70 75 74 |s the th|roughput|
|00005d80| 20 6f 66 20 61 6e 79 20 | 70 69 70 65 6c 69 6e 65 | of any |pipeline|
|00005d90| 20 6f 66 20 75 6e 69 78 | 20 63 6f 6d 6d 61 6e 64 | of unix| command|
|00005da0| 73 0a 28 69 66 20 79 6f | 75 20 68 61 76 65 20 65 |s.(if yo|u have e|
|00005db0| 6e 6f 75 67 68 20 4d 49 | 50 53 20 61 6e 64 20 52 |nough MI|PS and R|
|00005dc0| 41 4d 20 74 6f 20 68 61 | 6e 64 6c 65 20 74 77 6f |AM to ha|ndle two|
|00005dd0| 20 65 78 74 72 61 20 70 | 72 6f 63 65 73 73 65 73 | extra p|rocesses|
|00005de0| 29 2e 0a 2e 53 48 20 4f | 50 54 49 4f 4e 53 0a 44 |)...SH O|PTIONS.D|
|00005df0| 64 64 20 75 73 65 73 20 | 6f 70 74 69 6f 6e 73 20 |dd uses |options |
|00005e00| 64 64 64 2f 64 64 64 2e | 63 00 00 00 00 00 00 00 |ddd/ddd.|c.......|
|00005e10| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005e20| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005e30| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005e40| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005e50| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005e60| 00 00 00 00 20 20 20 36 | 34 34 20 00 20 20 20 32 |....   6|44 .   2|
|00005e70| 34 33 20 00 20 20 20 20 | 31 32 20 00 20 20 20 20 |43 .    |12 .    |
|00005e80| 20 20 32 35 34 30 31 20 | 20 34 34 30 34 30 36 32 |  25401 | 4404062|
|00005e90| 36 31 36 20 20 20 35 35 | 35 37 00 20 00 00 00 00 |616   55|57. ....|
|00005ea0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005eb0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005ec0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005ed0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005ee0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005ef0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005f00| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005f10| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005f20| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005f30| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005f40| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005f50| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005f60| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005f70| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005f80| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005f90| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005fa0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005fb0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005fc0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005fd0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005fe0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005ff0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
+--------+-------------------------+-------------------------+--------+--------+