Source Code 1994 March

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Tape Archive | 1989-03-03 | 56.0 KB
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MacOS 8.1 extracted |
Win98 extracted |
DOS extracted
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This file was processed as: Tape Archive (archive/tar).

You can browse this item here: cxref.tar
Confidence	Program	Detection	Match Type	Support
`100%`	dexvert	Tape Archive `(archive/tar)`	magic	Supported
`100%`	file	tar archive	default
`99%`	file	tar archive (V7), file cxref/, mode 755 , uid 243 , gid 12 , size 0 , seconds 4403602423	default
`98%`	file	data	default
`100%`	TrID	Sybase iAnywhere database files	default (weak)
`100%`	lsar	Tar	default
`100%`	gt2	TAR Archiv gefunden (Auflistung ist deaktiviert)	default
`100%`	disktype	Pre-POSIX tar archive	default
hex view
+--------+-------------------------+-------------------------+--------+--------+
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|00000400| 52 45 41 44 4d 45 3a 0a | 0a 54 68 69 73 20 64 69 |README:.|.This di|
|00000410| 72 65 63 74 6f 72 79 20 | 63 6f 6e 74 61 69 6e 73 |rectory |contains|
|00000420| 20 74 68 65 20 66 69 6c | 65 73 20 66 6f 72 20 27 | the fil|es for '|
|00000430| 63 78 72 65 66 27 2c 20 | 61 20 43 20 6c 61 6e 67 |cxref', |a C lang|
|00000440| 75 61 67 65 20 63 72 6f | 73 73 0a 72 65 66 65 72 |uage cro|ss.refer|
|00000450| 65 6e 63 69 6e 67 20 70 | 72 6f 67 72 61 6d 2e 0a |encing p|rogram..|
|00000460| 0a 54 68 65 20 6d 61 6b | 65 66 69 6c 65 20 77 69 |.The mak|efile wi|
|00000470| 6c 6c 20 62 75 69 6c 64 | 20 74 68 65 20 70 72 6f |ll build| the pro|
|00000480| 67 72 61 6d 2e 20 55 73 | 65 20 27 6d 61 6b 65 20 |gram. Us|e 'make |
|00000490| 69 6e 73 74 61 6c 6c 27 | 20 74 6f 20 70 75 74 20 |install'| to put |
|000004a0| 61 20 63 6f 70 79 20 69 | 6e 0a 74 68 65 20 72 69 |a copy i|n.the ri|
|000004b0| 67 68 74 20 70 6c 61 63 | 65 73 2e 20 20 43 78 72 |ght plac|es.  Cxr|
|000004c0| 65 66 20 69 73 20 61 20 | 64 72 69 76 65 72 2c 20 |ef is a |driver, |
|000004d0| 61 6e 64 20 67 6f 65 73 | 20 69 6e 20 44 45 53 54 |and goes| in DEST|
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|00000500| 6e 20 6f 66 20 63 68 6f | 69 63 65 2e 20 20 4c 49 |n of cho|ice.  LI|
|00000510| 42 20 69 73 20 77 68 65 | 72 65 20 74 68 65 20 70 |B is whe|re the p|
|00000520| 72 6f 67 72 61 6d 73 20 | 67 6f 20 74 68 61 74 20 |rograms |go that |
|00000530| 64 6f 20 74 68 65 20 77 | 6f 72 6b 2e 20 54 68 65 |do the w|ork. The|
|00000540| 0a 6d 61 6b 65 66 69 6c | 65 20 6d 61 6b 65 73 20 |.makefil|e makes |
|00000550| 74 68 65 20 64 69 72 65 | 63 74 6f 72 79 20 2f 75 |the dire|ctory /u|
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|00000570| 65 66 20 28 69 2e 65 2e | 20 4c 49 42 29 20 74 6f |ef (i.e.| LIB) to|
|00000580| 20 68 6f 6c 64 20 74 68 | 65 0a 70 72 6f 67 72 61 | hold th|e.progra|
|00000590| 6d 73 2e 20 20 54 68 65 | 20 63 78 72 65 66 20 64 |ms.  The| cxref d|
|000005a0| 72 69 76 65 72 20 69 73 | 20 64 65 70 65 6e 64 61 |river is| dependa|
|000005b0| 6e 74 20 6f 6e 20 77 68 | 65 72 65 20 4c 49 42 20 |nt on wh|ere LIB |
|000005c0| 69 73 2e 20 20 49 20 68 | 61 76 65 20 74 68 65 6d |is.  I h|ave them|
|000005d0| 20 73 65 74 20 74 6f 0a | 75 73 65 20 6d 79 20 42 | set to.|use my B|
|000005e0| 49 4e 2e 20 20 42 49 4e | 20 69 73 20 74 61 6b 65 |IN.  BIN| is take|
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|00000600| 6f 6e 6d 65 6e 74 2c 20 | 73 69 6e 63 65 20 49 20 |onment, |since I |
|00000610| 75 73 65 20 74 68 65 20 | 55 4e 49 58 20 34 2e 30 |use the |UNIX 4.0|
|00000620| 20 6d 61 6b 65 2e 0a 53 | 4f 52 54 20 69 73 20 74 | make..S|ORT is t|
|00000630| 68 65 20 66 75 6c 6c 20 | 70 61 74 68 6e 61 6d 65 |he full |pathname|
|00000640| 20 66 6f 72 20 74 68 65 | 20 55 6e 69 78 20 73 6f | for the| Unix so|
|00000650| 72 74 20 70 72 6f 67 72 | 61 6d 2c 20 73 6f 6d 65 |rt progr|am, some|
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|00000670| 0a 6f 74 68 65 72 20 74 | 69 6d 65 73 20 2f 75 73 |.other t|imes /us|
|00000680| 72 2f 62 69 6e 2f 73 6f | 72 74 2e 20 20 45 64 69 |r/bin/so|rt.  Edi|
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|00000950| 20 63 6f 6e 74 61 69 6e | 3a 0a 0a 52 45 41 44 4d | contain|:..READM|
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|00000cb0| 41 72 6e 6f 6c 64 20 52 | 6f 62 62 69 6e 73 2c 20 |Arnold R|obbins, |
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|00001000| 23 20 53 4f 52 54 31 20 | 2d 2d 20 64 6f 20 74 68 |# SORT1 |-- do th|
|00001010| 65 20 66 69 72 73 74 20 | 73 6f 72 74 69 6e 67 20 |e first |sorting |
|00001020| 6a 6f 62 20 66 6f 72 20 | 63 78 72 65 66 2e 0a 23 |job for |cxref..#|
|00001030| 0a 23 20 74 68 65 20 70 | 75 72 70 6f 73 65 20 6f |.# the p|urpose o|
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|00001050| 6f 20 73 61 76 65 20 74 | 79 70 69 6e 67 20 64 75 |o save t|yping du|
|00001060| 72 69 6e 67 20 74 65 73 | 74 69 6e 67 20 61 6e 64 |ring tes|ting and|
|00001070| 20 64 65 76 65 6c 6f 70 | 6d 65 6e 74 2e 0a 23 0a | develop|ment..#.|
|00001080| 23 20 41 72 6e 6f 6c 64 | 20 52 6f 62 62 69 6e 73 |# Arnold| Robbins|
|00001090| 2c 20 49 6e 66 6f 72 6d | 61 74 69 6f 6e 20 61 6e |, Inform|ation an|
|000010a0| 64 20 43 6f 6d 70 75 74 | 65 72 20 53 63 69 65 6e |d Comput|er Scien|
|000010b0| 63 65 2c 20 47 65 6f 72 | 67 69 61 20 54 65 63 68 |ce, Geor|gia Tech|
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|000010d0| 0a 23 20 43 6f 70 79 72 | 69 67 68 74 20 28 63 29 |.# Copyr|ight (c)|
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|000010f0| 52 6f 62 62 69 6e 73 2e | 0a 23 20 41 6c 6c 20 72 |Robbins.|.# All r|
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|00001110| 23 20 54 68 69 73 20 70 | 72 6f 67 72 61 6d 20 6d |# This p|rogram m|
|00001120| 61 79 20 6e 6f 74 20 62 | 65 20 73 6f 6c 64 2c 20 |ay not b|e sold, |
|00001130| 62 75 74 20 6d 61 79 20 | 62 65 20 64 69 73 74 72 |but may |be distr|
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|00001150| 64 20 74 68 69 73 20 68 | 65 61 64 65 72 20 69 73 |d this h|eader is|
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|00001400| 23 20 53 4f 52 54 32 20 | 2d 2d 20 64 6f 20 74 68 |# SORT2 |-- do th|
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|00001420| 20 6a 6f 62 20 66 6f 72 | 20 63 78 72 65 66 2e 0a | job for| cxref..|
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|00001500| 72 69 67 68 74 73 20 72 | 65 73 65 72 76 65 64 2e |rights r|eserved.|
|00001510| 0a 23 20 54 68 69 73 20 | 70 72 6f 67 72 61 6d 20 |.# This |program |
|00001520| 6d 61 79 20 6e 6f 74 20 | 62 65 20 73 6f 6c 64 2c |may not |be sold,|
|00001530| 20 62 75 74 20 6d 61 79 | 20 62 65 20 64 69 73 74 | but may| be dist|
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|00001570| 63 20 73 6f 72 74 20 2d | 75 20 2b 30 6e 20 2d 31 |c sort -|u +0n -1|
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|00004790| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000047a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000047b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000047c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000047d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000047e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000047f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004800| 2f 2a 0a 2a 2a 20 63 78 | 72 65 66 2e 63 0a 2a 2a |/*.** cx|ref.c.**|
|00004810| 0a 2a 2a 20 43 20 64 72 | 69 76 65 72 20 66 6f 72 |.** C dr|iver for|
|00004820| 20 43 78 72 65 66 20 70 | 72 6f 67 72 61 6d 2e 0a | Cxref p|rogram..|
|00004830| 2a 2a 20 64 6f 65 73 20 | 61 72 67 75 6d 65 6e 74 |** does |argument|
|00004840| 20 68 61 6e 64 6c 69 6e | 67 2c 20 74 68 65 6e 20 | handlin|g, then |
|00004850| 62 75 69 6c 64 73 20 74 | 68 65 20 72 69 67 68 74 |builds t|he right|
|00004860| 0a 2a 2a 20 73 68 65 6c | 6c 20 63 6f 6d 6d 61 6e |.** shel|l comman|
|00004870| 64 73 20 66 6f 72 20 70 | 61 73 73 69 6e 67 20 74 |ds for p|assing t|
|00004880| 6f 20 74 68 65 20 73 79 | 73 74 65 6d 28 29 20 72 |o the sy|stem() r|
|00004890| 6f 75 74 69 6e 65 2e 0a | 2a 2a 0a 2a 2a 20 53 65 |outine..|**.** Se|
|000048a0| 74 20 75 70 20 74 68 65 | 20 61 72 67 75 6d 65 6e |t up the| argumen|
|000048b0| 74 20 76 65 63 74 6f 72 | 73 20 6f 75 72 73 65 6c |t vector|s oursel|
|000048c0| 76 65 73 2c 20 74 68 65 | 20 69 2f 6f 20 77 69 74 |ves, the| i/o wit|
|000048d0| 68 20 61 20 70 69 70 65 | 28 29 0a 2a 2a 20 63 61 |h a pipe|().** ca|
|000048e0| 6c 6c 2c 20 61 6e 64 20 | 64 6f 20 61 6c 6c 20 74 |ll, and |do all t|
|000048f0| 68 65 20 66 6f 72 6b 69 | 6e 67 20 61 6e 64 20 65 |he forki|ng and e|
|00004900| 78 65 63 69 6e 67 20 6f | 75 72 73 65 6c 76 65 73 |xecing o|urselves|
|00004910| 2e 0a 2a 2a 0a 2a 2a 20 | 41 72 6e 6f 6c 64 20 52 |..**.** |Arnold R|
|00004920| 6f 62 62 69 6e 73 2c 20 | 49 6e 66 6f 72 6d 61 74 |obbins, |Informat|
|00004930| 69 6f 6e 20 61 6e 64 20 | 43 6f 6d 70 75 74 65 72 |ion and |Computer|
|00004940| 20 53 63 69 65 6e 63 65 | 2c 20 47 65 6f 72 67 69 | Science|, Georgi|
|00004950| 61 20 54 65 63 68 0a 2a | 2a 09 67 61 74 65 63 68 |a Tech.*|*.gatech|
|00004960| 21 61 72 6e 6f 6c 64 0a | 2a 2a 20 43 6f 70 79 72 |!arnold.|** Copyr|
|00004970| 69 67 68 74 20 28 63 29 | 20 31 39 38 34 20 62 79 |ight (c)| 1984 by|
|00004980| 20 41 72 6e 6f 6c 64 20 | 52 6f 62 62 69 6e 73 0a | Arnold |Robbins.|
|00004990| 2a 2a 20 41 6c 6c 20 72 | 69 67 68 74 73 20 72 65 |** All r|ights re|
|000049a0| 73 65 72 76 65 64 0a 2a | 2a 20 54 68 69 73 20 70 |served.*|* This p|
|000049b0| 72 6f 67 72 61 6d 20 6d | 61 79 20 6e 6f 74 20 62 |rogram m|ay not b|
|000049c0| 65 20 73 6f 6c 64 2c 20 | 62 75 74 20 6d 61 79 20 |e sold, |but may |
|000049d0| 62 65 20 64 69 73 74 72 | 69 62 75 74 65 64 0a 2a |be distr|ibuted.*|
|000049e0| 2a 20 70 72 6f 76 69 64 | 65 64 20 74 68 69 73 20 |* provid|ed this |
|000049f0| 68 65 61 64 65 72 20 69 | 73 20 69 6e 63 6c 75 64 |header i|s includ|
|00004a00| 65 64 2e 0a 2a 2f 0a 0a | 23 69 6e 63 6c 75 64 65 |ed..*/..|#include|
|00004a10| 20 3c 73 74 64 69 6f 2e | 68 3e 0a 23 69 6e 63 6c | <stdio.|h>.#incl|
|00004a20| 75 64 65 20 3c 63 74 79 | 70 65 2e 68 3e 0a 23 69 |ude <cty|pe.h>.#i|
|00004a30| 6e 63 6c 75 64 65 20 3c | 73 69 67 6e 61 6c 2e 68 |nclude <|signal.h|
|00004a40| 3e 0a 0a 23 64 65 66 69 | 6e 65 20 54 52 55 45 09 |>..#defi|ne TRUE.|
|00004a50| 31 0a 23 64 65 66 69 6e | 65 20 46 41 4c 53 45 09 |1.#defin|e FALSE.|
|00004a60| 30 0a 0a 63 68 61 72 20 | 6e 61 6d 65 5b 42 55 46 |0..char |name[BUF|
|00004a70| 53 49 5a 5d 3b 09 2f 2a | 20 73 61 76 65 20 63 6f |SIZ];./*| save co|
|00004a80| 6d 6d 61 6e 64 20 6e 61 | 6d 65 20 2a 2f 0a 0a 69 |mmand na|me */..i|
|00004a90| 6e 74 20 78 61 72 67 63 | 3b 09 09 2f 2a 20 6d 61 |nt xargc|;../* ma|
|00004aa0| 6b 65 20 61 72 67 63 20 | 61 6e 64 20 61 72 67 76 |ke argc |and argv|
|00004ab0| 20 61 76 61 69 6c 61 62 | 6c 65 20 67 6c 6f 62 61 | availab|le globa|
|00004ac0| 6c 6c 79 20 2a 2f 0a 63 | 68 61 72 20 2a 2a 78 61 |lly */.c|har **xa|
|00004ad0| 72 67 76 3b 0a 0a 69 6e | 74 20 77 69 64 74 68 20 |rgv;..in|t width |
|00004ae0| 3d 20 30 3b 09 09 2f 2a | 20 6f 75 74 70 75 74 20 |= 0;../*| output |
|00004af0| 77 69 64 74 68 20 2a 2f | 0a 0a 69 6e 74 20 73 65 |width */|..int se|
|00004b00| 70 66 6c 61 67 20 3d 20 | 46 41 4c 53 45 3b 09 2f |pflag = |FALSE;./|
|00004b10| 2a 20 64 6f 20 65 61 63 | 68 20 6f 6e 65 20 73 65 |* do eac|h one se|
|00004b20| 70 61 72 61 74 65 6c 79 | 20 2a 2f 0a 0a 69 6e 74 |parately| */..int|
|00004b30| 20 69 66 6c 61 67 20 3d | 20 54 52 55 45 3b 09 2f | iflag =| TRUE;./|
|00004b40| 2a 20 70 72 69 6e 74 20 | 6f 75 74 20 69 6e 74 73 |* print |out ints|
|00004b50| 20 2a 2f 0a 69 6e 74 20 | 66 66 6c 61 67 20 3d 20 | */.int |fflag = |
|00004b60| 54 52 55 45 3b 09 2f 2a | 20 70 72 69 6e 74 20 6f |TRUE;./*| print o|
|00004b70| 75 74 20 66 6c 6f 61 74 | 73 20 2a 2f 0a 69 6e 74 |ut float|s */.int|
|00004b80| 20 63 66 6c 61 67 20 3d | 20 54 52 55 45 3b 09 2f | cflag =| TRUE;./|
|00004b90| 2a 20 70 72 69 6e 74 20 | 6f 75 74 20 63 68 61 72 |* print |out char|
|00004ba0| 73 20 2a 2f 0a 69 6e 74 | 20 73 66 6c 61 67 20 3d |s */.int| sflag =|
|00004bb0| 20 54 52 55 45 3b 09 2f | 2a 20 70 72 69 6e 74 20 | TRUE;./|* print |
|00004bc0| 6f 75 74 20 73 74 72 69 | 6e 67 73 20 2a 2f 0a 69 |out stri|ngs */.i|
|00004bd0| 6e 74 20 46 66 6c 61 67 | 20 3d 20 46 41 4c 53 45 |nt Fflag| = FALSE|
|00004be0| 3b 09 2f 2a 20 66 6f 6c | 64 20 63 61 73 65 20 69 |;./* fol|d case i|
|00004bf0| 6e 20 69 6e 64 65 6e 74 | 69 66 69 65 72 73 20 2a |n indent|ifiers *|
|00004c00| 2f 0a 0a 69 6e 74 20 61 | 6e 63 65 73 74 6f 72 3b |/..int a|ncestor;|
|00004c10| 09 09 2f 2a 20 69 64 20 | 6f 66 20 74 68 69 73 20 |../* id |of this |
|00004c20| 70 72 6f 63 65 73 73 2c | 20 75 73 65 64 20 62 79 |process,| used by|
|00004c30| 20 63 68 69 6c 64 72 65 | 6e 20 2a 2f 0a 0a 63 68 | childre|n */..ch|
|00004c40| 61 72 20 2a 66 69 6c 65 | 6e 61 6d 65 28 29 3b 09 |ar *file|name();.|
|00004c50| 2f 2a 20 74 75 72 6e 73 | 20 22 2d 22 20 69 6e 74 |/* turns| "-" int|
|00004c60| 6f 20 22 73 74 64 69 6e | 22 20 2a 2f 0a 0a 23 64 |o "stdin|" */..#d|
|00004c70| 65 66 69 6e 65 20 64 6f | 5f 70 69 70 65 28 78 29 |efine do|_pipe(x)|
|00004c80| 09 69 66 20 28 70 69 70 | 65 28 78 29 20 3c 20 30 |.if (pip|e(x) < 0|
|00004c90| 29 20 7b 20 66 70 72 69 | 6e 74 66 28 73 74 64 65 |) { fpri|ntf(stde|
|00004ca0| 72 72 2c 20 22 78 3a 20 | 70 69 70 65 20 66 61 69 |rr, "x: |pipe fai|
|00004cb0| 6c 65 64 5c 6e 22 29 3b | 5c 0a 09 09 09 09 66 66 |led\n");|\.....ff|
|00004cc0| 6c 75 73 68 28 73 74 64 | 65 72 72 29 3b 20 65 78 |lush(std|err); ex|
|00004cd0| 69 74 20 28 31 29 3b 20 | 7d 0a 0a 6d 61 69 6e 28 |it (1); |}..main(|
|00004ce0| 61 72 67 63 2c 20 61 72 | 67 76 29 0a 69 6e 74 20 |argc, ar|gv).int |
|00004cf0| 61 72 67 63 3b 0a 63 68 | 61 72 20 2a 2a 61 72 67 |argc;.ch|ar **arg|
|00004d00| 76 3b 0a 7b 0a 09 69 6e | 74 20 69 3b 0a 09 69 6e |v;.{..in|t i;..in|
|00004d10| 74 20 63 61 74 63 68 65 | 6d 28 29 3b 0a 0a 09 73 |t catche|m();...s|
|00004d20| 69 67 6e 61 6c 20 28 53 | 49 47 51 55 49 54 2c 20 |ignal (S|IGQUIT, |
|00004d30| 63 61 74 63 68 65 6d 29 | 3b 0a 09 73 69 67 6e 61 |catchem)|;..signa|
|00004d40| 6c 20 28 53 49 47 49 4e | 54 2c 20 63 61 74 63 68 |l (SIGIN|T, catch|
|00004d50| 65 6d 29 3b 0a 0a 09 73 | 74 72 63 70 79 20 28 6e |em);...s|trcpy (n|
|00004d60| 61 6d 65 2c 20 66 69 6c | 65 6e 61 6d 65 28 61 72 |ame, fil|ename(ar|
|00004d70| 67 76 5b 30 5d 29 29 3b | 0a 0a 09 61 6e 63 65 73 |gv[0]));|...ances|
|00004d80| 74 6f 72 20 3d 20 67 65 | 74 70 69 64 28 29 3b 0a |tor = ge|tpid();.|
|00004d90| 0a 09 66 6f 72 28 61 72 | 67 76 2b 2b 2c 20 61 72 |..for(ar|gv++, ar|
|00004da0| 67 63 2d 2d 3b 20 61 72 | 67 63 20 3e 20 30 3b 20 |gc--; ar|gc > 0; |
|00004db0| 61 72 67 76 2b 2b 2c 20 | 61 72 67 63 2d 2d 29 0a |argv++, |argc--).|
|00004dc0| 09 09 69 66 20 28 61 72 | 67 76 5b 30 5d 5b 30 5d |..if (ar|gv[0][0]|
|00004dd0| 20 21 3d 20 27 2d 27 29 | 0a 09 09 09 62 72 65 61 | != '-')|....brea|
|00004de0| 6b 3b 0a 09 09 65 6c 73 | 65 20 69 66 28 61 72 67 |k;...els|e if(arg|
|00004df0| 76 5b 30 5d 5b 31 5d 20 | 3d 3d 20 27 5c 30 27 29 |v[0][1] |== '\0')|
|00004e00| 09 2f 2a 20 66 69 6c 65 | 6e 61 6d 65 20 6f 66 20 |./* file|name of |
|00004e10| 22 2d 22 20 2a 2f 0a 09 | 09 09 62 72 65 61 6b 3b |"-" */..|..break;|
|00004e20| 0a 09 09 65 6c 73 65 0a | 09 09 09 66 6f 72 28 69 |...else.|...for(i|
|00004e30| 20 3d 20 31 3b 20 61 72 | 67 76 5b 30 5d 5b 69 5d | = 1; ar|gv[0][i]|
|00004e40| 20 21 3d 20 27 5c 30 27 | 3b 20 69 2b 2b 29 0a 09 | != '\0'|; i++)..|
|00004e50| 09 09 7b 0a 09 09 09 09 | 73 77 69 74 63 68 28 61 |..{.....|switch(a|
|00004e60| 72 67 76 5b 30 5d 5b 69 | 5d 29 20 7b 0a 09 09 09 |rgv[0][i|]) {....|
|00004e70| 09 63 61 73 65 20 27 46 | 27 3a 0a 09 09 09 09 09 |.case 'F|':......|
|00004e80| 46 66 6c 61 67 20 3d 20 | 54 52 55 45 3b 0a 09 09 |Fflag = |TRUE;...|
|00004e90| 09 09 09 62 72 65 61 6b | 3b 0a 0a 09 09 09 09 63 |...break|;......c|
|00004ea0| 61 73 65 20 27 53 27 3a | 0a 09 09 09 09 09 73 65 |ase 'S':|......se|
|00004eb0| 70 66 6c 61 67 20 3d 20 | 54 52 55 45 3b 0a 09 09 |pflag = |TRUE;...|
|00004ec0| 09 09 09 62 72 65 61 6b | 3b 0a 09 09 09 09 0a 09 |...break|;.......|
|00004ed0| 09 09 09 63 61 73 65 20 | 27 43 27 3a 0a 09 09 09 |...case |'C':....|
|00004ee0| 09 09 2f 2a 20 6c 65 61 | 76 65 20 6f 75 74 20 61 |../* lea|ve out a|
|00004ef0| 6c 6c 20 63 6f 6e 73 74 | 61 6e 74 73 20 2a 2f 0a |ll const|ants */.|
|00004f00| 09 09 09 09 09 63 66 6c | 61 67 20 3d 0a 09 09 09 |.....cfl|ag =....|
|00004f10| 09 09 69 66 6c 61 67 20 | 3d 0a 09 09 09 09 09 66 |..iflag |=......f|
|00004f20| 66 6c 61 67 20 3d 0a 09 | 09 09 09 09 73 66 6c 61 |flag =..|....sfla|
|00004f30| 67 20 3d 20 46 41 4c 53 | 45 3b 0a 09 09 09 09 09 |g = FALS|E;......|
|00004f40| 62 72 65 61 6b 3b 0a 0a | 09 09 09 09 63 61 73 65 |break;..|....case|
|00004f50| 20 27 63 27 3a 0a 09 09 | 09 09 09 63 66 6c 61 67 | 'c':...|...cflag|
|00004f60| 20 3d 20 46 41 4c 53 45 | 3b 0a 09 09 09 09 09 62 | = FALSE|;......b|
|00004f70| 72 65 61 6b 3b 0a 09 09 | 09 09 0a 09 09 09 09 63 |reak;...|.......c|
|00004f80| 61 73 65 20 27 69 27 3a | 0a 09 09 09 09 09 69 66 |ase 'i':|......if|
|00004f90| 6c 61 67 20 3d 20 46 41 | 4c 53 45 3b 0a 09 09 09 |lag = FA|LSE;....|
|00004fa0| 09 09 62 72 65 61 6b 3b | 0a 09 09 09 09 0a 09 09 |..break;|........|
|00004fb0| 09 09 63 61 73 65 20 27 | 66 27 3a 0a 09 09 09 09 |..case '|f':.....|
|00004fc0| 09 66 66 6c 61 67 20 3d | 20 46 41 4c 53 45 3b 0a |.fflag =| FALSE;.|
|00004fd0| 09 09 09 09 09 62 72 65 | 61 6b 3b 0a 09 09 09 09 |.....bre|ak;.....|
|00004fe0| 0a 09 09 09 09 63 61 73 | 65 20 27 73 27 3a 0a 09 |.....cas|e 's':..|
|00004ff0| 09 09 09 09 73 66 6c 61 | 67 20 3d 20 46 41 4c 53 |....sfla|g = FALS|
|00005000| 45 3b 0a 09 09 09 09 09 | 62 72 65 61 6b 3b 0a 09 |E;......|break;..|
|00005010| 09 09 09 0a 09 09 09 09 | 63 61 73 65 20 27 77 27 |........|case 'w'|
|00005020| 3a 0a 09 09 09 09 09 69 | 66 20 28 69 73 64 69 67 |:......i|f (isdig|
|00005030| 69 74 28 61 72 67 76 5b | 30 5d 5b 69 2b 31 5d 29 |it(argv[|0][i+1])|
|00005040| 29 0a 09 09 09 09 09 7b | 0a 09 09 09 09 09 09 77 |)......{|.......w|
|00005050| 69 64 74 68 20 3d 20 30 | 3b 0a 09 09 09 09 09 09 |idth = 0|;.......|
|00005060| 66 6f 72 28 69 2b 2b 3b | 20 69 73 64 69 67 69 74 |for(i++;| isdigit|
|00005070| 28 61 72 67 76 5b 30 5d | 5b 69 5d 29 3b 20 69 2b |(argv[0]|[i]); i+|
|00005080| 2b 29 0a 09 09 09 09 09 | 09 09 77 69 64 74 68 20 |+)......|..width |
|00005090| 3d 20 77 69 64 74 68 20 | 2a 20 31 30 20 2b 20 61 |= width |* 10 + a|
|000050a0| 72 67 76 5b 30 5d 5b 69 | 5d 20 2d 20 27 30 27 3b |rgv[0][i|] - '0';|
|000050b0| 0a 09 09 09 09 09 09 69 | 2d 2d 3b 0a 09 09 09 09 |.......i|--;.....|
|000050c0| 09 7d 0a 09 09 09 09 09 | 65 6c 73 65 0a 09 09 09 |.}......|else....|
|000050d0| 09 09 7b 0a 09 09 09 09 | 09 09 77 69 64 74 68 20 |..{.....|..width |
|000050e0| 3d 20 61 74 6f 69 28 61 | 72 67 76 5b 31 5d 29 3b |= atoi(a|rgv[1]);|
|000050f0| 0a 09 09 09 09 09 09 61 | 72 67 76 2b 2b 3b 0a 09 |.......a|rgv++;..|
|00005100| 09 09 09 09 09 61 72 67 | 63 2d 2d 3b 0a 09 09 09 |.....arg|c--;....|
|00005110| 09 09 7d 0a 09 09 09 09 | 09 62 72 65 61 6b 3b 0a |..}.....|.break;.|
|00005120| 0a 09 09 09 09 64 65 66 | 61 75 6c 74 3a 0a 09 09 |.....def|ault:...|
|00005130| 09 09 09 75 73 61 67 65 | 28 29 3b 0a 09 09 09 09 |...usage|();.....|
|00005140| 09 62 72 65 61 6b 3b 0a | 09 09 09 09 7d 0a 09 09 |.break;.|....}...|
|00005150| 09 7d 0a 09 0a 09 69 66 | 20 28 77 69 64 74 68 20 |.}....if| (width |
|00005160| 21 3d 20 30 29 0a 09 09 | 69 66 20 28 77 69 64 74 |!= 0)...|if (widt|
|00005170| 68 20 3c 20 35 31 29 0a | 09 09 09 77 69 64 74 68 |h < 51).|...width|
|00005180| 20 3d 20 38 30 3b 0a 09 | 09 65 6c 73 65 20 69 66 | = 80;..|.else if|
|00005190| 20 28 77 69 64 74 68 20 | 3e 20 31 33 32 29 0a 09 | (width |> 132)..|
|000051a0| 09 09 77 69 64 74 68 20 | 3d 20 31 33 32 3b 0a 0a |..width |= 132;..|
|000051b0| 09 78 61 72 67 63 20 3d | 20 61 72 67 63 3b 0a 09 |.xargc =| argc;..|
|000051c0| 78 61 72 67 76 20 3d 20 | 61 72 67 76 3b 0a 0a 09 |xargv = |argv;...|
|000051d0| 73 65 74 61 72 67 73 28 | 29 3b 09 09 2f 2a 20 73 |setargs(|);../* s|
|000051e0| 65 74 20 75 70 20 76 61 | 72 69 6f 75 73 20 61 72 |et up va|rious ar|
|000051f0| 67 76 20 62 75 66 66 65 | 72 73 20 2a 2f 0a 0a 09 |gv buffe|rs */...|
|00005200| 72 75 6e 70 72 6f 67 73 | 28 29 3b 09 09 2f 2a 20 |runprogs|();../* |
|00005210| 73 65 74 20 75 70 20 61 | 6e 64 20 72 75 6e 20 70 |set up a|nd run p|
|00005220| 69 70 65 6c 69 6e 65 73 | 20 2a 2f 0a 0a 09 65 78 |ipelines| */...ex|
|00005230| 69 74 20 28 30 29 3b 0a | 7d 0a 0a 2f 2a 20 61 72 |it (0);.|}../* ar|
|00005240| 67 76 20 76 65 63 74 6f | 72 73 20 66 6f 72 20 76 |gv vecto|rs for v|
|00005250| 61 72 69 6f 75 73 20 63 | 6f 6d 6d 61 6e 64 73 20 |arious c|ommands |
|00005260| 2a 2f 0a 0a 63 68 61 72 | 20 2a 64 6f 63 78 72 65 |*/..char| *docxre|
|00005270| 66 5b 42 55 46 53 49 5a | 5d 20 3d 20 7b 20 22 64 |f[BUFSIZ|] = { "d|
|00005280| 6f 63 78 72 65 66 22 20 | 7d 3b 09 2f 2a 20 61 6c |ocxref" |};./* al|
|00005290| 6c 6f 77 73 20 42 55 46 | 53 49 5a 20 2d 20 32 20 |lows BUF|SIZ - 2 |
|000052a0| 66 69 6c 65 73 20 2a 2f | 0a 63 68 61 72 20 2a 63 |files */|.char *c|
|000052b0| 78 72 66 69 6c 74 5b 5d | 20 3d 20 7b 20 22 63 78 |xrfilt[]| = { "cx|
|000052c0| 72 66 69 6c 74 22 2c 20 | 4e 55 4c 4c 2c 20 4e 55 |rfilt", |NULL, NU|
|000052d0| 4c 4c 2c 20 4e 55 4c 4c | 20 7d 3b 0a 63 68 61 72 |LL, NULL| };.char|
|000052e0| 20 2a 66 6d 74 78 72 65 | 66 5b 5d 20 3d 20 7b 20 | *fmtxre|f[] = { |
|000052f0| 22 66 6d 74 78 72 65 66 | 22 2c 20 4e 55 4c 4c 2c |"fmtxref|", NULL,|
|00005300| 20 4e 55 4c 4c 2c 20 4e | 55 4c 4c 20 7d 3b 0a 63 | NULL, N|ULL };.c|
|00005310| 68 61 72 20 2a 73 6f 72 | 74 31 5b 5d 20 3d 20 7b |har *sor|t1[] = {|
|00005320| 20 22 73 6f 72 74 22 2c | 20 22 2d 75 22 2c 20 22 | "sort",| "-u", "|
|00005330| 2b 30 62 22 2c 20 22 2d | 32 22 2c 20 22 2b 32 6e |+0b", "-|2", "+2n|
|00005340| 22 2c 20 4e 55 4c 4c 2c | 20 4e 55 4c 4c 20 7d 3b |", NULL,| NULL };|
|00005350| 0a 63 68 61 72 20 2a 73 | 6f 72 74 32 5b 5d 20 3d |.char *s|ort2[] =|
|00005360| 20 7b 20 22 73 6f 72 74 | 22 2c 20 22 2d 75 22 2c | { "sort|", "-u",|
|00005370| 20 22 2b 30 6e 22 2c 20 | 22 2d 31 22 2c 20 22 2b | "+0n", |"-1", "+|
|00005380| 31 62 22 2c 20 22 2d 32 | 22 2c 20 22 2b 32 6e 22 |1b", "-2|", "+2n"|
|00005390| 2c 20 4e 55 4c 4c 20 7d | 3b 0a 63 68 61 72 20 2a |, NULL }|;.char *|
|000053a0| 73 6f 72 74 33 5b 5d 20 | 3d 20 7b 20 22 73 6f 72 |sort3[] |= { "sor|
|000053b0| 74 22 2c 20 22 2d 75 22 | 2c 20 22 2b 30 6e 22 2c |t", "-u"|, "+0n",|
|000053c0| 20 22 2b 31 6e 22 2c 20 | 22 2d 32 22 2c 20 22 2b | "+1n", |"-2", "+|
|000053d0| 32 62 22 2c 20 22 2d 33 | 22 2c 20 22 2b 33 6e 22 |2b", "-3|", "+3n"|
|000053e0| 2c 20 4e 55 4c 4c 20 7d | 3b 0a 0a 2f 2a 20 70 69 |, NULL }|;../* pi|
|000053f0| 70 65 73 20 74 6f 20 63 | 6f 6e 6e 65 63 74 20 70 |pes to c|onnect p|
|00005400| 72 6f 67 72 61 6d 73 20 | 2a 2f 0a 0a 74 79 70 65 |rograms |*/..type|
|00005410| 64 65 66 20 69 6e 74 20 | 50 49 50 45 5b 32 5d 3b |def int |PIPE[2];|
|00005420| 0a 0a 50 49 50 45 20 70 | 69 70 65 31 2c 20 70 69 |..PIPE p|ipe1, pi|
|00005430| 70 65 32 2c 20 70 69 70 | 65 33 3b 0a 0a 73 65 74 |pe2, pip|e3;..set|
|00005440| 61 72 67 73 28 29 09 09 | 2f 2a 20 69 6e 69 74 69 |args()..|/* initi|
|00005450| 61 6c 69 7a 65 20 61 72 | 67 76 20 76 65 63 74 6f |alize ar|gv vecto|
|00005460| 72 73 20 2a 2f 0a 7b 0a | 09 73 74 61 74 69 63 20 |rs */.{.|.static |
|00005470| 63 68 61 72 20 77 69 64 | 74 68 62 75 66 5b 31 30 |char wid|thbuf[10|
|00005480| 30 5d 3b 0a 09 73 74 61 | 74 69 63 20 63 68 61 72 |0];..sta|tic char|
|00005490| 20 70 69 64 62 75 66 5b | 31 30 30 5d 3b 0a 0a 09 | pidbuf[|100];...|
|000054a0| 69 66 20 28 77 69 64 74 | 68 20 21 3d 20 30 29 0a |if (widt|h != 0).|
|000054b0| 09 7b 0a 09 09 66 6d 74 | 78 72 65 66 5b 31 5d 20 |.{...fmt|xref[1] |
|000054c0| 3d 20 22 2d 77 22 3b 0a | 09 09 73 70 72 69 6e 74 |= "-w";.|..sprint|
|000054d0| 66 28 77 69 64 74 68 62 | 75 66 2c 20 22 25 64 22 |f(widthb|uf, "%d"|
|000054e0| 2c 20 77 69 64 74 68 29 | 3b 0a 09 09 66 6d 74 78 |, width)|;...fmtx|
|000054f0| 72 65 66 5b 32 5d 20 3d | 20 77 69 64 74 68 62 75 |ref[2] =| widthbu|
|00005500| 66 3b 0a 09 09 66 6d 74 | 78 72 65 66 5b 33 5d 20 |f;...fmt|xref[3] |
|00005510| 3d 20 4e 55 4c 4c 3b 0a | 09 7d 0a 0a 09 73 70 72 |= NULL;.|.}...spr|
|00005520| 69 6e 74 66 28 70 69 64 | 62 75 66 2c 20 22 25 64 |intf(pid|buf, "%d|
|00005530| 22 2c 20 67 65 74 70 69 | 64 28 29 29 3b 0a 0a 09 |", getpi|d());...|
|00005540| 69 66 20 28 46 66 6c 61 | 67 29 0a 09 09 73 6f 72 |if (Ffla|g)...sor|
|00005550| 74 31 5b 35 5d 20 3d 20 | 22 2d 66 22 3b 09 2f 2a |t1[5] = |"-f";./*|
|00005560| 20 66 6f 6c 64 20 63 61 | 73 65 20 69 6e 20 69 64 | fold ca|se in id|
|00005570| 65 6e 74 69 66 69 65 72 | 73 20 2a 2f 0a 0a 09 69 |entifier|s */...i|
|00005580| 66 20 28 21 20 63 66 6c | 61 67 20 26 26 20 73 66 |f (! cfl|ag && sf|
|00005590| 6c 61 67 29 0a 09 7b 0a | 09 09 63 78 72 66 69 6c |lag)..{.|..cxrfil|
|000055a0| 74 5b 31 5d 20 3d 20 22 | 2d 63 22 3b 0a 09 09 63 |t[1] = "|-c";...c|
|000055b0| 78 72 66 69 6c 74 5b 32 | 5d 20 3d 20 70 69 64 62 |xrfilt[2|] = pidb|
|000055c0| 75 66 3b 0a 09 09 63 78 | 72 66 69 6c 74 5b 33 5d |uf;...cx|rfilt[3]|
|000055d0| 20 3d 20 4e 55 4c 4c 3b | 0a 09 7d 0a 0a 09 65 6c | = NULL;|..}...el|
|000055e0| 73 65 20 69 66 20 28 63 | 66 6c 61 67 20 26 26 20 |se if (c|flag && |
|000055f0| 21 20 73 66 6c 61 67 29 | 0a 09 7b 0a 09 09 63 78 |! sflag)|..{...cx|
|00005600| 72 66 69 6c 74 5b 31 5d | 20 3d 20 22 2d 73 22 3b |rfilt[1]| = "-s";|
|00005610| 0a 09 09 63 78 72 66 69 | 6c 74 5b 32 5d 20 3d 20 |...cxrfi|lt[2] = |
|00005620| 70 69 64 62 75 66 3b 0a | 09 09 63 78 72 66 69 6c |pidbuf;.|..cxrfil|
|00005630| 74 5b 33 5d 20 3d 20 4e | 55 4c 4c 3b 0a 09 7d 0a |t[3] = N|ULL;..}.|
|00005640| 0a 09 65 6c 73 65 20 69 | 66 20 28 21 20 63 66 6c |..else i|f (! cfl|
|00005650| 61 67 20 26 26 20 21 20 | 73 66 6c 61 67 29 0a 09 |ag && ! |sflag)..|
|00005660| 7b 0a 09 09 63 78 72 66 | 69 6c 74 5b 31 5d 20 3d |{...cxrf|ilt[1] =|
|00005670| 20 22 2d 63 73 22 3b 0a | 09 09 63 78 72 66 69 6c | "-cs";.|..cxrfil|
|00005680| 74 5b 32 5d 20 3d 20 70 | 69 64 62 75 66 3b 0a 09 |t[2] = p|idbuf;..|
|00005690| 09 63 78 72 66 69 6c 74 | 5b 33 5d 20 3d 20 4e 55 |.cxrfilt|[3] = NU|
|000056a0| 4c 4c 3b 0a 09 7d 0a 0a | 09 65 6c 73 65 0a 09 7b |LL;..}..|.else..{|
|000056b0| 0a 09 09 63 78 72 66 69 | 6c 74 5b 31 5d 20 3d 20 |...cxrfi|lt[1] = |
|000056c0| 70 69 64 62 75 66 3b 0a | 09 09 63 78 72 66 69 6c |pidbuf;.|..cxrfil|
|000056d0| 74 5b 32 5d 20 3d 20 4e | 55 4c 4c 3b 0a 09 7d 0a |t[2] = N|ULL;..}.|
|000056e0| 7d 0a 0a 0a 2f 2a 0a 66 | 6c 6f 77 20 6f 66 20 63 |}.../*.f|low of c|
|000056f0| 6f 6e 74 72 6f 6c 20 69 | 73 3a 0a 0a 09 64 6f 63 |ontrol i|s:...doc|
|00005700| 78 72 65 66 20 20 70 69 | 70 65 31 20 73 6f 72 74 |xref  pi|pe1 sort|
|00005710| 31 20 70 69 70 65 32 20 | 63 78 72 66 69 6c 74 20 |1 pipe2 |cxrfilt |
|00005720| 2d 75 73 65 72 61 72 67 | 73 20 70 69 70 65 33 20 |-userarg|s pipe3 |
|00005730| 66 6d 74 78 72 65 66 20 | 2d 75 73 65 72 61 72 67 |fmtxref |-userarg|
|00005740| 73 0a 09 73 6f 72 74 32 | 20 70 69 70 65 31 20 63 |s..sort2| pipe1 c|
|00005750| 78 72 66 69 6c 74 20 2d | 69 20 70 69 70 65 32 20 |xrfilt -|i pipe2 |
|00005760| 66 6d 74 78 72 65 66 20 | 2d 75 73 65 72 61 72 67 |fmtxref |-userarg|
|00005770| 73 0a 09 73 6f 72 74 33 | 20 70 69 70 65 31 20 63 |s..sort3| pipe1 c|
|00005780| 78 72 66 69 6c 74 20 2d | 66 20 70 69 70 65 32 20 |xrfilt -|f pipe2 |
|00005790| 66 6d 74 78 72 65 66 20 | 2d 75 73 65 72 61 72 67 |fmtxref |-userarg|
|000057a0| 73 0a 2a 2f 0a 0a 72 75 | 6e 70 72 6f 67 73 28 29 |s.*/..ru|nprogs()|
|000057b0| 09 09 2f 2a 20 72 75 6e | 20 74 68 65 20 70 72 6f |../* run| the pro|
|000057c0| 67 72 61 6d 73 2c 20 6f | 62 65 79 69 6e 67 20 75 |grams, o|beying u|
|000057d0| 73 65 72 27 73 20 6f 70 | 74 69 6f 6e 73 20 2a 2f |ser's op|tions */|
|000057e0| 0a 7b 0a 09 69 6e 74 20 | 69 3b 0a 0a 09 69 66 20 |.{..int |i;...if |
|000057f0| 28 73 65 70 66 6c 61 67 | 29 0a 09 7b 0a 09 09 66 |(sepflag|)..{...f|
|00005800| 6f 72 20 28 69 20 3d 20 | 30 3b 20 69 20 3c 20 78 |or (i = |0; i < x|
|00005810| 61 72 67 63 3b 20 69 2b | 2b 29 0a 09 09 7b 0a 09 |argc; i+|+)...{..|
|00005820| 09 09 70 72 69 6e 74 66 | 28 22 5c 74 43 20 43 72 |..printf|("\tC Cr|
|00005830| 6f 73 73 20 52 65 66 65 | 72 65 6e 63 65 20 4c 69 |oss Refe|rence Li|
|00005840| 73 74 69 6e 67 20 6f 66 | 20 25 73 5c 6e 5c 6e 22 |sting of| %s\n\n"|
|00005850| 2c 0a 09 09 09 09 09 66 | 69 6c 65 6e 61 6d 65 28 |,......f|ilename(|
|00005860| 78 61 72 67 76 5b 69 5d | 29 29 3b 0a 09 09 09 66 |xargv[i]|));....f|
|00005870| 66 6c 75 73 68 28 73 74 | 64 6f 75 74 29 3b 0a 0a |flush(st|dout);..|
|00005880| 09 09 09 64 6f 63 78 72 | 65 66 5b 31 5d 20 3d 20 |...docxr|ef[1] = |
|00005890| 78 61 72 67 76 5b 69 5d | 3b 0a 09 09 09 64 6f 63 |xargv[i]|;....doc|
|000058a0| 78 72 65 66 5b 32 5d 20 | 3d 20 4e 55 4c 4c 3b 0a |xref[2] |= NULL;.|
|000058b0| 0a 09 09 09 69 64 65 6e | 73 28 29 3b 0a 0a 09 09 |....iden|s();....|
|000058c0| 09 69 66 20 28 69 66 6c | 61 67 29 0a 09 09 09 09 |.if (ifl|ag).....|
|000058d0| 69 6e 74 65 67 65 72 73 | 28 29 3b 0a 0a 09 09 09 |integers|();.....|
|000058e0| 69 66 20 28 66 66 6c 61 | 67 29 0a 09 09 09 09 66 |if (ffla|g).....f|
|000058f0| 6c 6f 61 74 73 28 29 3b | 0a 0a 09 09 09 66 66 6c |loats();|.....ffl|
|00005900| 75 73 68 28 73 74 64 6f | 75 74 29 3b 0a 0a 09 09 |ush(stdo|ut);....|
|00005910| 09 69 66 20 28 21 69 73 | 61 74 74 79 28 66 69 6c |.if (!is|atty(fil|
|00005920| 65 6e 6f 28 73 74 64 6f | 75 74 29 29 29 0a 09 09 |eno(stdo|ut)))...|
|00005930| 09 09 70 75 74 63 68 61 | 72 28 27 5c 66 27 29 3b |..putcha|r('\f');|
|00005940| 0a 09 09 7d 0a 09 7d 0a | 09 65 6c 73 65 0a 09 7b |...}..}.|.else..{|
|00005950| 0a 09 09 69 66 20 28 78 | 61 72 67 63 20 3d 3d 20 |...if (x|argc == |
|00005960| 31 29 0a 09 09 09 70 72 | 69 6e 74 66 28 22 5c 74 |1)....pr|intf("\t|
|00005970| 43 20 43 72 6f 73 73 20 | 52 65 66 65 72 65 6e 63 |C Cross |Referenc|
|00005980| 65 20 4c 69 73 74 69 6e | 67 20 6f 66 20 25 73 5c |e Listin|g of %s\|
|00005990| 6e 5c 6e 22 2c 0a 09 09 | 09 09 66 69 6c 65 6e 61 |n\n",...|..filena|
|000059a0| 6d 65 28 78 61 72 67 76 | 5b 30 5d 29 29 3b 0a 09 |me(xargv|[0]));..|
|000059b0| 09 65 6c 73 65 0a 09 09 | 09 70 72 69 6e 74 66 28 |.else...|.printf(|
|000059c0| 22 5c 74 43 20 43 72 6f | 73 73 20 52 65 66 65 72 |"\tC Cro|ss Refer|
|000059d0| 65 6e 63 65 20 4c 69 73 | 74 69 6e 67 5c 6e 5c 6e |ence Lis|ting\n\n|
|000059e0| 22 29 3b 0a 09 09 66 66 | 6c 75 73 68 28 73 74 64 |");...ff|lush(std|
|000059f0| 6f 75 74 29 3b 0a 0a 09 | 09 66 6f 72 20 28 69 20 |out);...|.for (i |
|00005a00| 3d 20 30 3b 20 78 61 72 | 67 76 5b 69 5d 20 21 3d |= 0; xar|gv[i] !=|
|00005a10| 20 4e 55 4c 4c 3b 20 69 | 2b 2b 29 0a 09 09 09 64 | NULL; i|++)....d|
|00005a20| 6f 63 78 72 65 66 5b 69 | 2b 31 5d 20 3d 20 78 61 |ocxref[i|+1] = xa|
|00005a30| 72 67 76 5b 69 5d 3b 0a | 0a 09 09 64 6f 63 78 72 |rgv[i];.|...docxr|
|00005a40| 65 66 5b 69 2b 31 5d 20 | 3d 20 4e 55 4c 4c 3b 0a |ef[i+1] |= NULL;.|
|00005a50| 0a 09 09 69 64 65 6e 73 | 28 29 3b 0a 0a 09 09 69 |...idens|();....i|
|00005a60| 66 20 28 69 66 6c 61 67 | 29 0a 09 09 09 69 6e 74 |f (iflag|)....int|
|00005a70| 65 67 65 72 73 28 29 3b | 0a 0a 09 09 69 66 20 28 |egers();|....if (|
|00005a80| 66 66 6c 61 67 29 0a 09 | 09 09 66 6c 6f 61 74 73 |fflag)..|..floats|
|00005a90| 28 29 3b 0a 0a 09 09 66 | 66 6c 75 73 68 28 73 74 |();....f|flush(st|
|00005aa0| 64 6f 75 74 29 3b 0a 0a | 09 09 69 66 20 28 21 20 |dout);..|..if (! |
|00005ab0| 69 73 61 74 74 79 28 66 | 69 6c 65 6e 6f 28 73 74 |isatty(f|ileno(st|
|00005ac0| 64 6f 75 74 29 29 29 0a | 09 09 09 70 75 74 63 68 |dout))).|...putch|
|00005ad0| 61 72 28 27 5c 66 27 29 | 3b 0a 09 7d 0a 0a 09 64 |ar('\f')|;..}...d|
|00005ae0| 65 6c 74 65 6d 70 73 28 | 29 3b 0a 7d 0a 0a 64 65 |eltemps(|);.}..de|
|00005af0| 6c 74 65 6d 70 73 28 29 | 09 2f 2a 20 64 65 6c 65 |ltemps()|./* dele|
|00005b00| 74 65 20 74 65 6d 70 20 | 66 69 6c 65 73 20 75 73 |te temp |files us|
|00005b10| 65 64 20 66 6f 72 20 69 | 6e 74 73 20 61 6e 64 20 |ed for i|nts and |
|00005b20| 66 6c 6f 61 74 73 20 2a | 2f 0a 7b 0a 09 63 68 61 |floats *|/.{..cha|
|00005b30| 72 20 62 75 66 5b 42 55 | 46 53 49 5a 5d 3b 0a 09 |r buf[BU|FSIZ];..|
|00005b40| 69 6e 74 20 69 3b 0a 0a | 09 66 6f 72 20 28 69 20 |int i;..|.for (i |
|00005b50| 3d 20 31 3b 20 69 20 3c | 3d 20 32 3b 20 69 2b 2b |= 1; i <|= 2; i++|
|00005b60| 29 0a 09 7b 0a 09 09 73 | 70 72 69 6e 74 66 28 62 |)..{...s|printf(b|
|00005b70| 75 66 2c 20 22 2f 74 6d | 70 2f 63 78 72 2e 25 64 |uf, "/tm|p/cxr.%d|
|00005b80| 2e 25 64 22 2c 20 67 65 | 74 70 69 64 28 29 2c 20 |.%d", ge|tpid(), |
|00005b90| 69 29 3b 0a 09 09 75 6e | 6c 69 6e 6b 28 62 75 66 |i);...un|link(buf|
|00005ba0| 29 3b 0a 09 7d 0a 7d 0a | 0a 2f 2a 0a 20 2a 20 6e |);..}.}.|./*. * n|
|00005bb0| 6f 77 20 62 65 67 69 6e | 73 20 74 68 65 20 6e 69 |ow begin|s the ni|
|00005bc0| 74 74 79 20 67 72 69 74 | 74 79 20 77 6f 72 6b 20 |tty grit|ty work |
|00005bd0| 6f 66 20 66 6f 72 6b 69 | 6e 67 20 61 6e 64 20 73 |of forki|ng and s|
|00005be0| 65 74 74 69 6e 67 20 75 | 70 20 70 69 70 65 73 2e |etting u|p pipes.|
|00005bf0| 0a 20 2a 2f 0a 0a 69 6e | 74 20 6c 65 76 65 6c 3b |. */..in|t level;|
|00005c00| 09 2f 2a 20 68 6f 77 20 | 6d 61 6e 79 20 63 68 69 |./* how |many chi|
|00005c10| 6c 64 72 65 6e 20 64 6f | 77 6e 20 61 72 65 20 77 |ldren do|wn are w|
|00005c20| 65 20 2a 2f 0a 0a 69 64 | 65 6e 73 28 29 09 09 2f |e */..id|ens()../|
|00005c30| 2a 20 63 72 6f 73 73 20 | 72 65 66 65 72 65 6e 63 |* cross |referenc|
|00005c40| 65 20 69 64 65 6e 74 69 | 66 69 65 72 73 20 2a 2f |e identi|fiers */|
|00005c50| 0a 7b 0a 09 69 6e 74 20 | 73 74 61 74 75 73 3b 0a |.{..int |status;.|
|00005c60| 09 69 6e 74 20 70 69 64 | 3b 0a 09 69 6e 74 20 69 |.int pid|;..int i|
|00005c70| 73 63 68 69 6c 64 3b 0a | 09 63 68 61 72 20 62 75 |schild;.|.char bu|
|00005c80| 66 5b 42 55 46 53 49 5a | 5d 3b 0a 0a 09 6c 65 76 |f[BUFSIZ|];...lev|
|00005c90| 65 6c 20 3d 20 30 3b 09 | 2f 2a 20 73 74 61 72 74 |el = 0;.|/* start|
|00005ca0| 69 6e 67 20 6f 66 66 20 | 61 73 20 67 72 61 6e 64 |ing off |as grand|
|00005cb0| 70 61 72 65 6e 74 20 2a | 2f 0a 0a 09 69 73 63 68 |parent *|/...isch|
|00005cc0| 69 6c 64 20 3d 20 28 28 | 70 69 64 20 3d 20 66 6f |ild = ((|pid = fo|
|00005cd0| 72 6b 28 29 29 20 3d 3d | 20 30 29 3b 0a 09 0a 72 |rk()) ==| 0);...r|
|00005ce0| 65 74 65 73 74 3a 0a 09 | 73 77 69 74 63 68 20 28 |etest:..|switch (|
|00005cf0| 6c 65 76 65 6c 29 20 7b | 0a 09 63 61 73 65 20 30 |level) {|..case 0|
|00005d00| 3a 09 09 09 2f 2a 20 66 | 69 72 73 74 20 66 6f 72 |:.../* f|irst for|
|00005d10| 6b 20 2a 2f 0a 09 09 69 | 66 20 28 69 73 63 68 69 |k */...i|f (ischi|
|00005d20| 6c 64 29 0a 09 09 7b 0a | 09 09 09 6c 65 76 65 6c |ld)...{.|...level|
|00005d30| 2b 2b 3b 0a 09 09 09 64 | 6f 5f 70 69 70 65 28 70 |++;....d|o_pipe(p|
|00005d40| 69 70 65 33 29 3b 0a 0a | 09 09 09 69 66 20 28 69 |ipe3);..|...if (i|
|00005d50| 73 63 68 69 6c 64 20 3d | 20 28 28 70 69 64 20 3d |schild =| ((pid =|
|00005d60| 20 66 6f 72 6b 28 29 29 | 20 3d 3d 20 30 29 29 0a | fork())| == 0)).|
|00005d70| 09 09 09 09 67 6f 74 6f | 20 72 65 74 65 73 74 3b |....goto| retest;|
|00005d80| 0a 0a 09 09 09 63 6c 6f | 73 65 28 70 69 70 65 33 |.....clo|se(pipe3|
|00005d90| 5b 31 5d 29 3b 09 2f 2a | 20 64 6f 65 73 6e 27 74 |[1]);./*| doesn't|
|00005da0| 20 6e 65 65 64 20 74 68 | 69 73 20 2a 2f 0a 0a 09 | need th|is */...|
|00005db0| 09 09 63 6c 6f 73 65 20 | 28 30 29 3b 0a 09 09 09 |..close |(0);....|
|00005dc0| 64 75 70 28 70 69 70 65 | 33 5b 30 5d 29 3b 0a 09 |dup(pipe|3[0]);..|
|00005dd0| 09 09 63 6c 6f 73 65 28 | 70 69 70 65 33 5b 30 5d |..close(|pipe3[0]|
|00005de0| 29 3b 0a 09 09 09 73 70 | 72 69 6e 74 66 20 28 62 |);....sp|rintf (b|
|00005df0| 75 66 2c 20 22 25 73 2f | 66 6d 74 78 72 65 66 22 |uf, "%s/|fmtxref"|
|00005e00| 2c 20 53 52 43 44 49 52 | 29 3b 0a 09 09 09 65 78 |, SRCDIR|);....ex|
|00005e10| 65 63 76 20 28 62 75 66 | 2c 20 66 6d 74 78 72 65 |ecv (buf|, fmtxre|
|00005e20| 66 29 3b 0a 09 09 09 66 | 70 72 69 6e 74 66 20 28 |f);....f|printf (|
|00005e30| 73 74 64 65 72 72 2c 20 | 22 63 6f 75 6c 64 6e 27 |stderr, |"couldn'|
|00005e40| 74 20 65 78 65 63 20 27 | 25 73 27 5c 6e 22 2c 20 |t exec '|%s'\n", |
|00005e50| 62 75 66 29 3b 0a 09 09 | 09 65 78 69 74 20 28 31 |buf);...|.exit (1|
|00005e60| 29 3b 0a 09 09 7d 0a 09 | 09 65 6c 73 65 0a 09 09 |);...}..|.else...|
|00005e70| 09 77 68 69 6c 65 20 28 | 77 61 69 74 28 26 73 74 |.while (|wait(&st|
|00005e80| 61 74 75 73 29 20 21 3d | 20 70 69 64 29 0a 09 09 |atus) !=| pid)...|
|00005e90| 09 09 3b 0a 09 09 62 72 | 65 61 6b 3b 0a 09 0a 09 |..;...br|eak;....|
|00005ea0| 63 61 73 65 20 31 3a 09 | 09 09 2f 2a 20 73 65 63 |case 1:.|../* sec|
|00005eb0| 6f 6e 64 20 66 6f 72 6b | 20 2a 2f 0a 09 09 6c 65 |ond fork| */...le|
|00005ec0| 76 65 6c 2b 2b 3b 0a 09 | 09 63 6c 6f 73 65 20 28 |vel++;..|.close (|
|00005ed0| 70 69 70 65 33 5b 30 5d | 29 3b 0a 0a 09 09 63 6c |pipe3[0]|);....cl|
|00005ee0| 6f 73 65 28 31 29 3b 0a | 09 09 64 75 70 28 70 69 |ose(1);.|..dup(pi|
|00005ef0| 70 65 33 5b 31 5d 29 3b | 0a 09 09 63 6c 6f 73 65 |pe3[1]);|...close|
|00005f00| 28 70 69 70 65 33 5b 31 | 5d 29 3b 0a 0a 09 09 2f |(pipe3[1|]);..../|
|00005f10| 2a 20 73 65 74 20 75 70 | 20 69 2f 6f 20 66 6f 72 |* set up| i/o for|
|00005f20| 20 6e 65 78 74 20 63 68 | 69 6c 64 20 2a 2f 0a 09 | next ch|ild */..|
|00005f30| 09 64 6f 5f 70 69 70 65 | 28 70 69 70 65 32 29 3b |.do_pipe|(pipe2);|
|00005f40| 0a 0a 09 09 69 66 20 28 | 69 73 63 68 69 6c 64 20 |....if (|ischild |
|00005f50| 3d 20 28 28 70 69 64 20 | 3d 20 66 6f 72 6b 28 29 |= ((pid |= fork()|
|00005f60| 29 20 3d 3d 20 30 29 29 | 0a 09 09 09 67 6f 74 6f |) == 0))|....goto|
|00005f70| 20 72 65 74 65 73 74 3b | 0a 0a 09 09 63 6c 6f 73 | retest;|....clos|
|00005f80| 65 20 28 70 69 70 65 32 | 5b 31 5d 29 3b 0a 09 09 |e (pipe2|[1]);...|
|00005f90| 63 6c 6f 73 65 20 28 30 | 29 3b 0a 09 09 64 75 70 |close (0|);...dup|
|00005fa0| 28 70 69 70 65 32 5b 30 | 5d 29 3b 0a 09 09 63 6c |(pipe2[0|]);...cl|
|00005fb0| 6f 73 65 20 28 70 69 70 | 65 32 5b 30 5d 29 3b 0a |ose (pip|e2[0]);.|
|00005fc0| 0a 09 09 73 70 72 69 6e | 74 66 20 28 62 75 66 2c |...sprin|tf (buf,|
|00005fd0| 20 22 25 73 2f 63 78 72 | 66 69 6c 74 22 2c 20 53 | "%s/cxr|filt", S|
|00005fe0| 52 43 44 49 52 29 3b 0a | 09 09 65 78 65 63 76 20 |RCDIR);.|..execv |
|00005ff0| 28 62 75 66 2c 20 63 78 | 72 66 69 6c 74 29 3b 0a |(buf, cx|rfilt);.|
|00006000| 09 09 66 70 72 69 6e 74 | 66 20 28 73 74 64 65 72 |..fprint|f (stder|
|00006010| 72 2c 20 22 63 6f 75 6c | 64 6e 27 74 20 65 78 65 |r, "coul|dn't exe|
|00006020| 63 20 27 25 73 27 5c 6e | 22 2c 20 62 75 66 29 3b |c '%s'\n|", buf);|
|00006030| 0a 09 09 65 78 69 74 20 | 28 31 29 3b 0a 09 09 62 |...exit |(1);...b|
|00006040| 72 65 61 6b 3b 0a 0a 09 | 63 61 73 65 20 32 3a 0a |reak;...|case 2:.|
|00006050| 09 09 6c 65 76 65 6c 2b | 2b 3b 0a 09 09 63 6c 6f |..level+|+;...clo|
|00006060| 73 65 20 28 70 69 70 65 | 32 5b 30 5d 29 3b 0a 0a |se (pipe|2[0]);..|
|00006070| 09 09 63 6c 6f 73 65 28 | 31 29 3b 0a 09 09 64 75 |..close(|1);...du|
|00006080| 70 28 70 69 70 65 32 5b | 31 5d 29 3b 0a 09 09 63 |p(pipe2[|1]);...c|
|00006090| 6c 6f 73 65 28 70 69 70 | 65 32 5b 31 5d 29 3b 09 |lose(pip|e2[1]);.|
|000060a0| 2f 2a 20 6e 6f 77 20 77 | 72 69 74 65 73 20 74 6f |/* now w|rites to|
|000060b0| 20 70 61 72 65 6e 74 20 | 2a 2f 0a 0a 09 09 2f 2a | parent |*/..../*|
|000060c0| 20 73 65 74 20 75 70 20 | 74 6f 20 72 65 61 64 20 | set up |to read |
|000060d0| 66 72 6f 6d 20 6e 65 78 | 74 20 63 68 69 6c 64 20 |from nex|t child |
|000060e0| 2a 2f 0a 09 09 64 6f 5f | 70 69 70 65 28 70 69 70 |*/...do_|pipe(pip|
|000060f0| 65 31 29 3b 0a 0a 09 09 | 69 66 20 28 69 73 63 68 |e1);....|if (isch|
|00006100| 69 6c 64 20 3d 20 28 28 | 70 69 64 20 3d 20 66 6f |ild = ((|pid = fo|
|00006110| 72 6b 28 29 29 20 3d 3d | 20 30 29 29 0a 09 09 09 |rk()) ==| 0))....|
|00006120| 67 6f 74 6f 20 72 65 74 | 65 73 74 3b 0a 0a 09 09 |goto ret|est;....|
|00006130| 63 6c 6f 73 65 20 28 70 | 69 70 65 31 5b 31 5d 29 |close (p|ipe1[1])|
|00006140| 3b 0a 0a 09 09 63 6c 6f | 73 65 20 28 30 29 3b 0a |;....clo|se (0);.|
|00006150| 09 09 64 75 70 28 70 69 | 70 65 31 5b 30 5d 29 3b |..dup(pi|pe1[0]);|
|00006160| 0a 09 09 63 6c 6f 73 65 | 20 28 70 69 70 65 31 5b |...close| (pipe1[|
|00006170| 30 5d 29 3b 0a 09 09 65 | 78 65 63 76 20 28 53 4f |0]);...e|xecv (SO|
|00006180| 52 54 2c 20 73 6f 72 74 | 31 29 3b 0a 09 09 66 70 |RT, sort|1);...fp|
|00006190| 72 69 6e 74 66 20 28 73 | 74 64 65 72 72 2c 20 22 |rintf (s|tderr, "|
|000061a0| 63 6f 75 6c 64 6e 27 74 | 20 65 78 65 63 20 27 25 |couldn't| exec '%|
|000061b0| 73 27 5c 6e 22 2c 20 53 | 4f 52 54 29 3b 0a 09 09 |s'\n", S|ORT);...|
|000061c0| 65 78 69 74 20 28 31 29 | 3b 0a 09 09 62 72 65 61 |exit (1)|;...brea|
|000061d0| 6b 3b 0a 0a 09 63 61 73 | 65 20 33 3a 0a 09 09 6c |k;...cas|e 3:...l|
|000061e0| 65 76 65 6c 2b 2b 3b 0a | 09 09 63 6c 6f 73 65 20 |evel++;.|..close |
|000061f0| 28 70 69 70 65 31 5b 30 | 5d 29 3b 0a 0a 09 09 63 |(pipe1[0|]);....c|
|00006200| 6c 6f 73 65 28 31 29 3b | 0a 09 09 64 75 70 28 70 |lose(1);|...dup(p|
|00006210| 69 70 65 31 5b 31 5d 29 | 3b 0a 09 09 63 6c 6f 73 |ipe1[1])|;...clos|
|00006220| 65 28 70 69 70 65 31 5b | 31 5d 29 3b 09 2f 2a 20 |e(pipe1[|1]);./* |
|00006230| 6e 6f 77 20 77 72 69 74 | 65 73 20 74 6f 20 70 61 |now writ|es to pa|
|00006240| 72 65 6e 74 20 2a 2f 0a | 0a 09 09 73 70 72 69 6e |rent */.|...sprin|
|00006250| 74 66 28 62 75 66 2c 20 | 22 25 73 2f 64 6f 63 78 |tf(buf, |"%s/docx|
|00006260| 72 65 66 22 2c 20 53 52 | 43 44 49 52 29 3b 0a 09 |ref", SR|CDIR);..|
|00006270| 09 65 78 65 63 76 20 28 | 62 75 66 2c 20 64 6f 63 |.execv (|buf, doc|
|00006280| 78 72 65 66 29 3b 0a 09 | 09 66 70 72 69 6e 74 66 |xref);..|.fprintf|
|00006290| 20 28 73 74 64 65 72 72 | 2c 20 22 63 6f 75 6c 64 | (stderr|, "could|
|000062a0| 6e 27 74 20 65 78 65 63 | 20 27 25 73 27 5c 6e 22 |n't exec| '%s'\n"|
|000062b0| 2c 20 62 75 66 29 3b 0a | 09 09 65 78 69 74 20 28 |, buf);.|..exit (|
|000062c0| 31 29 3b 0a 09 09 62 72 | 65 61 6b 3b 0a 0a 09 64 |1);...br|eak;...d|
|000062d0| 65 66 61 75 6c 74 3a 0a | 09 09 66 70 72 69 6e 74 |efault:.|..fprint|
|000062e0| 66 28 73 74 64 65 72 72 | 2c 20 22 69 6e 20 63 78 |f(stderr|, "in cx|
|000062f0| 72 65 66 20 28 69 64 65 | 6e 73 29 3a 20 63 61 6e |ref (ide|ns): can|
|00006300| 27 74 20 68 61 70 70 65 | 6e 5c 6e 22 29 3b 0a 09 |'t happe|n\n");..|
|00006310| 09 66 66 6c 75 73 68 28 | 73 74 64 65 72 72 29 3b |.fflush(|stderr);|
|00006320| 0a 09 09 62 72 65 61 6b | 3b 0a 09 7d 0a 7d 0a 0a |...break|;..}.}..|
|00006330| 23 69 6e 63 6c 75 64 65 | 20 3c 73 79 73 2f 74 79 |#include| <sys/ty|
|00006340| 70 65 73 2e 68 3e 0a 23 | 69 6e 63 6c 75 64 65 20 |pes.h>.#|include |
|00006350| 3c 73 79 73 2f 73 74 61 | 74 2e 68 3e 0a 0a 69 6e |<sys/sta|t.h>..in|
|00006360| 74 65 67 65 72 73 28 29 | 0a 7b 0a 09 69 6e 74 20 |tegers()|.{..int |
|00006370| 73 74 61 74 75 73 3b 0a | 09 69 6e 74 20 70 69 64 |status;.|.int pid|
|00006380| 3b 0a 09 69 6e 74 20 69 | 73 63 68 69 6c 64 3b 0a |;..int i|schild;.|
|00006390| 09 63 68 61 72 20 62 75 | 66 5b 42 55 46 53 49 5a |.char bu|f[BUFSIZ|
|000063a0| 5d 3b 0a 09 73 74 72 75 | 63 74 20 73 74 61 74 20 |];..stru|ct stat |
|000063b0| 66 62 75 66 3b 0a 0a 09 | 73 70 72 69 6e 74 66 28 |fbuf;...|sprintf(|
|000063c0| 62 75 66 2c 20 22 2f 74 | 6d 70 2f 63 78 72 2e 25 |buf, "/t|mp/cxr.%|
|000063d0| 64 2e 31 22 2c 20 61 6e | 63 65 73 74 6f 72 29 3b |d.1", an|cestor);|
|000063e0| 0a 09 69 66 20 28 73 74 | 61 74 28 62 75 66 2c 20 |..if (st|at(buf, |
|000063f0| 26 66 62 75 66 29 20 3e | 3d 20 30 20 26 26 20 66 |&fbuf) >|= 0 && f|
+--------+-------------------------+-------------------------+--------+--------+
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