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|00000000| 53 75 62 6a 65 63 74 3a | 20 20 76 30 38 69 30 36 |Subject:|  v08i06|
|00000010| 33 3a 20 20 53 79 6e 74 | 61 78 2d 63 68 65 63 6b |3:  Synt|ax-check|
|00000020| 65 72 20 66 6f 72 20 2a | 72 6f 66 66 0a 4e 65 77 |er for *|roff.New|
|00000030| 73 67 72 6f 75 70 73 3a | 20 6d 6f 64 2e 73 6f 75 |sgroups:| mod.sou|
|00000040| 72 63 65 73 0a 41 70 70 | 72 6f 76 65 64 3a 20 6d |rces.App|roved: m|
|00000050| 69 72 72 6f 72 21 72 73 | 0a 0a 53 75 62 6d 69 74 |irror!rs|..Submit|
|00000060| 74 65 64 20 62 79 3a 20 | 4b 61 6d 61 6c 20 41 6c |ted by: |Kamal Al|
|00000070| 2d 59 61 68 79 61 20 3c | 6b 61 6d 61 6c 40 68 61 |-Yahya <|kamal@ha|
|00000080| 6e 61 75 6d 61 2e 53 54 | 41 4e 46 4f 52 44 2e 45 |nauma.ST|ANFORD.E|
|00000090| 44 55 3e 0a 4d 6f 64 2e | 73 6f 75 72 63 65 73 3a |DU>.Mod.|sources:|
|000000a0| 20 56 6f 6c 75 6d 65 20 | 38 2c 20 49 73 73 75 65 | Volume |8, Issue|
|000000b0| 20 36 33 0a 41 72 63 68 | 69 76 65 2d 6e 61 6d 65 | 63.Arch|ive-name|
|000000c0| 3a 20 74 72 6d 61 74 63 | 68 0a 0a 23 21 20 2f 62 |: trmatc|h..#! /b|
|000000d0| 69 6e 2f 73 68 0a 23 20 | 54 68 69 73 20 69 73 20 |in/sh.# |This is |
|000000e0| 61 20 73 68 65 6c 6c 20 | 61 72 63 68 69 76 65 2e |a shell |archive.|
|000000f0| 20 20 52 65 6d 6f 76 65 | 20 61 6e 79 74 68 69 6e |  Remove| anythin|
|00000100| 67 20 62 65 66 6f 72 65 | 20 74 68 69 73 20 6c 69 |g before| this li|
|00000110| 6e 65 2c 0a 23 20 74 68 | 65 6e 20 75 6e 70 61 63 |ne,.# th|en unpac|
|00000120| 6b 20 69 74 20 62 79 20 | 73 61 76 69 6e 67 20 69 |k it by |saving i|
|00000130| 74 20 69 6e 20 61 20 66 | 69 6c 65 20 61 6e 64 20 |t in a f|ile and |
|00000140| 74 79 70 69 6e 67 20 22 | 73 68 20 66 69 6c 65 22 |typing "|sh file"|
|00000150| 2e 0a 23 20 49 66 20 61 | 6c 6c 20 67 6f 65 73 20 |..# If a|ll goes |
|00000160| 77 65 6c 6c 2c 20 79 6f | 75 20 77 69 6c 6c 20 73 |well, yo|u will s|
|00000170| 65 65 20 74 68 65 20 6d | 65 73 73 61 67 65 20 22 |ee the m|essage "|
|00000180| 45 6e 64 20 6f 66 20 73 | 68 65 6c 6c 20 61 72 63 |End of s|hell arc|
|00000190| 68 69 76 65 2e 22 0a 23 | 20 43 6f 6e 74 65 6e 74 |hive.".#| Content|
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|000001b0| 61 74 63 68 2e 31 20 74 | 72 6d 61 74 63 68 2e 63 |atch.1 t|rmatch.c|
|000001c0| 0a 50 41 54 48 3d 2f 62 | 69 6e 3a 2f 75 73 72 2f |.PATH=/b|in:/usr/|
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|000001e0| 70 6f 72 74 20 50 41 54 | 48 0a 65 63 68 6f 20 73 |port PAT|H.echo s|
|000001f0| 68 61 72 3a 20 65 78 74 | 72 61 63 74 69 6e 67 20 |har: ext|racting |
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|00000220| 66 20 74 65 73 74 20 2d | 66 20 27 4d 61 6b 65 66 |f test -|f 'Makef|
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|00000240| 63 68 6f 20 73 68 61 72 | 3a 20 77 69 6c 6c 20 6e |cho shar|: will n|
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|00000260| 69 73 74 69 6e 67 20 66 | 69 6c 65 20 22 27 4d 61 |isting f|ile "'Ma|
|00000270| 6b 65 66 69 6c 65 27 22 | 0a 65 6c 73 65 0a 73 65 |kefile'"|.else.se|
|00000280| 64 20 27 73 2f 5e 58 2f | 2f 27 20 3e 4d 61 6b 65 |d 's/^X/|/' >Make|
|00000290| 66 69 6c 65 20 3c 3c 27 | 40 2f 2f 45 2a 4f 2a 46 |file <<'|@//E*O*F|
|000002a0| 20 4d 61 6b 65 66 69 6c | 65 2f 2f 27 0a 58 23 20 | Makefil|e//'.X# |
|000002b0| 4d 61 6b 65 66 69 6c 65 | 20 66 6f 72 20 74 72 6d |Makefile| for trm|
|000002c0| 61 74 63 68 2e 0a 58 0a | 58 43 46 4c 41 47 53 09 |atch..X.|XCFLAGS.|
|000002d0| 3d 20 2d 4f 0a 58 74 72 | 6d 61 74 63 68 3a 0a 58 |= -O.Xtr|match:.X|
|000002e0| 09 24 28 43 43 29 20 24 | 28 43 46 4c 41 47 53 29 |.$(CC) $|(CFLAGS)|
|000002f0| 20 2d 6f 20 74 72 6d 61 | 74 63 68 20 74 72 6d 61 | -o trma|tch trma|
|00000300| 74 63 68 2e 63 0a 40 2f | 2f 45 2a 4f 2a 46 20 4d |tch.c.@/|/E*O*F M|
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|00000320| 74 20 38 34 20 2d 6e 65 | 20 22 60 77 63 20 2d 63 |t 84 -ne| "`wc -c|
|00000330| 20 3c 27 4d 61 6b 65 66 | 69 6c 65 27 60 22 3b 20 | <'Makef|ile'`"; |
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|000007b0| 29 2e 0a 58 2e 53 48 20 | 41 55 54 48 4f 52 0a 58 |)..X.SH |AUTHOR.X|
|000007c0| 4b 61 6d 61 6c 20 41 6c | 2d 59 61 68 79 61 2c 20 |Kamal Al|-Yahya, |
|000007d0| 53 74 61 6e 66 6f 72 64 | 20 55 6e 69 76 65 72 73 |Stanford| Univers|
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|00001700| 57 41 52 4e 49 4e 47 3a | 20 73 69 6e 67 6c 65 20 |WARNING:| single |
|00001710| 64 6f 6c 6c 61 72 20 73 | 69 67 6e 20 69 73 20 6e |dollar s|ign is n|
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|00001760| 62 65 65 6e 20 67 69 76 | 65 6e 20 2a 2f 0a 58 09 |been giv|en */.X.|
|00001770| 09 09 09 7d 0a 58 09 09 | 09 65 73 63 20 3d 20 30 |...}.X..|.esc = 0|
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|00001790| 74 75 73 20 2a 2f 0a 58 | 09 09 09 62 72 65 61 6b |tus */.X|...break|
|000017a0| 3b 0a 58 09 09 63 61 73 | 65 20 27 7b 27 3a 0a 58 |;.X..cas|e '{':.X|
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|000017c0| 0a 58 09 09 09 09 7b 0a | 58 09 09 09 09 6c 62 72 |.X....{.|X....lbr|
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|000017f0| 58 09 09 09 09 7d 0a 58 | 09 09 09 65 73 63 20 3d |X....}.X|...esc =|
|00001800| 20 30 3b 09 09 2f 2a 20 | 65 73 63 61 70 65 20 73 | 0;../* |escape s|
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|00001820| 61 6b 3b 0a 58 09 09 63 | 61 73 65 20 27 7d 27 3a |ak;.X..c|ase '}':|
|00001830| 0a 58 09 09 09 69 66 20 | 28 65 73 63 20 3d 3d 20 |.X...if |(esc == |
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|00001850| 20 28 72 62 72 20 3e 20 | 6c 62 72 29 0a 58 09 09 | (rbr > |lbr).X..|
|00001860| 09 09 7b 0a 58 09 09 09 | 09 66 70 72 69 6e 74 66 |..{.X...|.fprintf|
|00001870| 28 73 74 64 65 72 72 2c | 22 6c 69 6e 65 20 25 64 |(stderr,|"line %d|
|00001880| 3a 20 75 6e 6d 61 74 63 | 68 65 64 20 62 72 61 63 |: unmatc|hed brac|
|00001890| 65 73 5c 6e 22 2c 6c 29 | 3b 0a 58 09 09 09 09 72 |es\n",l)|;.X....r|
|000018a0| 62 72 2d 2d 3b 09 09 2f | 2a 20 72 65 73 65 74 20 |br--;../|* reset |
|000018b0| 74 68 65 20 63 6f 75 6e | 74 20 2a 2f 0a 58 09 09 |the coun|t */.X..|
|000018c0| 09 09 7d 0a 58 09 09 09 | 69 66 20 28 6c 62 72 20 |..}.X...|if (lbr |
|000018d0| 3d 3d 20 72 62 72 29 09 | 6c 62 72 6c 3d 30 3b 0a |== rbr).|lbrl=0;.|
|000018e0| 58 09 09 09 65 73 63 20 | 3d 20 30 3b 09 09 2f 2a |X...esc |= 0;../*|
|000018f0| 20 65 73 63 61 70 65 20 | 73 74 61 74 75 73 20 2a | escape |status *|
|00001900| 2f 0a 58 09 09 09 62 72 | 65 61 6b 3b 0a 58 09 09 |/.X...br|eak;.X..|
|00001910| 63 61 73 65 20 27 5b 27 | 3a 0a 58 09 09 09 69 66 |case '['|:.X...if|
|00001920| 20 28 65 73 63 20 3d 3d | 20 30 29 0a 58 09 09 09 | (esc ==| 0).X...|
|00001930| 09 7b 0a 58 09 09 09 09 | 6c 62 2b 2b 3b 0a 58 09 |.{.X....|lb++;.X.|
|00001940| 09 09 09 69 66 20 28 6c | 62 6c 20 3d 3d 20 30 29 |...if (l|bl == 0)|
|00001950| 20 6c 62 6c 3d 6c 3b 0a | 58 09 09 09 09 7d 0a 58 | lbl=l;.|X....}.X|
|00001960| 09 09 09 65 73 63 20 3d | 20 30 3b 09 09 2f 2a 20 |...esc =| 0;../* |
|00001970| 65 73 63 61 70 65 20 73 | 74 61 74 75 73 20 2a 2f |escape s|tatus */|
|00001980| 0a 58 09 09 09 62 72 65 | 61 6b 3b 0a 58 09 09 63 |.X...bre|ak;.X..c|
|00001990| 61 73 65 20 27 5d 27 3a | 0a 58 09 09 09 69 66 20 |ase ']':|.X...if |
|000019a0| 28 65 73 63 20 3d 3d 20 | 30 29 09 72 62 2b 2b 3b |(esc == |0).rb++;|
|000019b0| 0a 58 09 09 09 65 6c 73 | 65 09 09 65 73 63 20 3d |.X...els|e..esc =|
|000019c0| 20 30 3b 09 2f 2a 20 65 | 73 63 61 70 65 20 73 74 | 0;./* e|scape st|
|000019d0| 61 74 75 73 20 2a 2f 0a | 58 09 09 09 69 66 20 28 |atus */.|X...if (|
|000019e0| 72 62 20 3e 20 6c 62 29 | 0a 58 09 09 09 09 7b 0a |rb > lb)|.X....{.|
|000019f0| 58 09 09 09 20 20 20 20 | 20 66 70 72 69 6e 74 66 |X...    | fprintf|
|00001a00| 28 73 74 64 65 72 72 2c | 22 6c 69 6e 65 20 25 64 |(stderr,|"line %d|
|00001a10| 3a 20 75 6e 6d 61 74 63 | 68 65 64 20 62 72 61 63 |: unmatc|hed brac|
|00001a20| 6b 65 74 73 5c 6e 22 2c | 6c 29 3b 0a 58 09 09 09 |kets\n",|l);.X...|
|00001a30| 09 72 62 2d 2d 3b 09 09 | 2f 2a 20 72 65 73 65 74 |.rb--;..|/* reset|
|00001a40| 20 74 68 65 20 63 6f 75 | 6e 74 20 2a 2f 0a 58 09 | the cou|nt */.X.|
|00001a50| 09 09 09 7d 0a 58 09 09 | 09 69 66 20 28 6c 62 20 |...}.X..|.if (lb |
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|00001a70| 09 09 65 73 63 20 3d 20 | 30 3b 09 09 2f 2a 20 65 |..esc = |0;../* e|
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|00001aa0| 73 65 20 27 28 27 3a 0a | 58 09 09 09 69 66 20 28 |se '(':.|X...if (|
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|00001ac0| 0a 58 09 09 09 09 6c 70 | 2b 2b 3b 0a 58 09 09 09 |.X....lp|++;.X...|
|00001ad0| 09 69 66 20 28 6c 70 6c | 20 3d 3d 20 30 29 20 6c |.if (lpl| == 0) l|
|00001ae0| 70 6c 3d 6c 3b 0a 58 09 | 09 09 09 7d 0a 58 09 09 |pl=l;.X.|...}.X..|
|00001af0| 09 65 73 63 20 3d 20 30 | 3b 09 09 2f 2a 20 65 73 |.esc = 0|;../* es|
|00001b00| 63 61 70 65 20 73 74 61 | 74 75 73 20 2a 2f 0a 58 |cape sta|tus */.X|
|00001b10| 09 09 09 62 72 65 61 6b | 3b 0a 58 09 09 63 61 73 |...break|;.X..cas|
|00001b20| 65 20 27 29 27 3a 0a 58 | 09 09 09 69 66 20 28 65 |e ')':.X|...if (e|
|00001b30| 73 63 20 3d 3d 20 30 29 | 09 72 70 2b 2b 3b 0a 58 |sc == 0)|.rp++;.X|
|00001b40| 09 09 09 69 66 20 28 72 | 70 20 3e 20 6c 70 29 0a |...if (r|p > lp).|
|00001b50| 58 09 09 09 20 20 20 20 | 7b 0a 58 09 09 09 20 20 |X...    |{.X...  |
|00001b60| 20 66 70 72 69 6e 74 66 | 28 73 74 64 65 72 72 2c | fprintf|(stderr,|
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|00001b80| 68 65 64 20 70 61 72 65 | 6e 74 68 65 73 65 73 5c |hed pare|ntheses\|
|00001b90| 6e 22 2c 6c 29 3b 0a 58 | 09 09 09 20 20 20 20 72 |n",l);.X|...    r|
|00001ba0| 70 2d 2d 3b 09 09 2f 2a | 20 72 65 73 65 74 20 74 |p--;../*| reset t|
|00001bb0| 68 65 20 63 6f 75 6e 74 | 20 2a 2f 0a 58 09 09 09 |he count| */.X...|
|00001bc0| 20 20 20 20 7d 0a 58 09 | 09 09 69 66 20 28 6c 70 |    }.X.|..if (lp|
|00001bd0| 20 3d 3d 20 72 70 29 09 | 6c 70 6c 3d 30 3b 0a 58 | == rp).|lpl=0;.X|
|00001be0| 09 09 09 65 73 63 20 3d | 20 30 3b 09 09 2f 2a 20 |...esc =| 0;../* |
|00001bf0| 65 73 63 61 70 65 20 73 | 74 61 74 75 73 20 2a 2f |escape s|tatus */|
|00001c00| 0a 58 09 09 09 62 72 65 | 61 6b 3b 0a 58 09 09 63 |.X...bre|ak;.X..c|
|00001c10| 61 73 65 20 27 24 27 3a | 0a 58 09 09 09 69 66 20 |ase '$':|.X...if |
|00001c20| 28 65 73 63 20 3d 3d 20 | 31 29 09 09 2f 2a 20 65 |(esc == |1)../* e|
|00001c30| 73 63 61 70 65 64 20 64 | 6f 6c 6c 61 72 20 73 69 |scaped d|ollar si|
|00001c40| 67 6e 20 2a 2f 0a 58 09 | 09 09 09 7b 0a 58 09 09 |gn */.X.|...{.X..|
|00001c50| 09 09 63 3d 27 20 27 3b | 09 09 2f 2a 20 72 65 73 |..c=' ';|../* res|
|00001c60| 65 74 20 74 68 65 20 64 | 6f 6c 6c 61 72 20 73 69 |et the d|ollar si|
|00001c70| 67 6e 20 2a 2f 0a 58 09 | 09 09 09 65 73 63 20 3d |gn */.X.|...esc =|
|00001c80| 20 30 3b 09 2f 2a 20 65 | 73 63 61 70 65 20 73 74 | 0;./* e|scape st|
|00001c90| 61 74 75 73 20 2a 2f 0a | 58 09 09 09 09 62 72 65 |atus */.|X....bre|
|00001ca0| 61 6b 3b 0a 58 09 09 09 | 09 7d 0a 58 09 09 09 69 |ak;.X...|.}.X...i|
|00001cb0| 66 20 28 6c 64 20 3d 3d | 20 31 29 09 72 64 3d 31 |f (ld ==| 1).rd=1|
|00001cc0| 3b 09 2f 2a 20 72 69 67 | 68 74 20 64 6f 6c 6c 61 |;./* rig|ht dolla|
|00001cd0| 72 20 73 69 67 6e 20 2a | 2f 0a 58 09 09 09 65 6c |r sign *|/.X...el|
|00001ce0| 73 65 0a 58 09 09 09 09 | 7b 0a 58 09 09 09 09 6c |se.X....|{.X....l|
|00001cf0| 64 3d 31 3b 20 09 2f 2a | 20 6c 65 66 74 20 64 6f |d=1; ./*| left do|
|00001d00| 6c 6c 61 72 20 73 69 67 | 6e 20 2a 2f 0a 58 09 09 |llar sig|n */.X..|
|00001d10| 09 09 6c 64 6c 3d 6c 3b | 09 2f 2a 20 6c 69 6e 65 |..ldl=l;|./* line|
|00001d20| 20 6e 75 6d 62 65 72 20 | 2a 2f 0a 58 09 09 09 09 | number |*/.X....|
|00001d30| 77 61 72 3d 30 3b 09 2f | 2a 20 6e 6f 20 77 61 72 |war=0;./|* no war|
|00001d40| 6e 69 6e 67 20 68 73 20 | 62 65 65 6e 20 67 69 76 |ning hs |been giv|
|00001d50| 65 6e 20 2a 2f 0a 58 09 | 09 09 09 7d 0a 58 09 09 |en */.X.|...}.X..|
|00001d60| 09 65 73 63 20 3d 20 30 | 3b 09 09 2f 2a 20 65 73 |.esc = 0|;../* es|
|00001d70| 63 61 70 65 20 73 74 61 | 74 75 73 20 2a 2f 0a 58 |cape sta|tus */.X|
|00001d80| 09 09 09 62 72 65 61 6b | 3b 0a 58 09 09 63 61 73 |...break|;.X..cas|
|00001d90| 65 20 27 2e 27 3a 0a 58 | 09 09 09 69 66 20 28 63 |e '.':.X|...if (c|
|00001da0| 31 20 3d 3d 20 27 5c 6e | 27 20 7c 7c 20 6c 20 3d |1 == '\n|' || l =|
|00001db0| 3d 20 31 29 09 2f 2a 20 | 74 72 6f 66 66 20 63 6f |= 1)./* |troff co|
|00001dc0| 6d 6d 61 6e 64 20 2a 2f | 0a 58 09 09 09 09 7b 0a |mmand */|.X....{.|
|00001dd0| 58 09 09 09 09 2f 2a 20 | 73 65 65 20 69 66 20 69 |X..../* |see if i|
|00001de0| 74 20 69 73 20 2e 45 51 | 20 2a 2f 0a 58 09 09 09 |t is .EQ| */.X...|
|00001df0| 09 63 31 3d 67 65 74 63 | 28 66 70 29 3b 0a 58 09 |.c1=getc|(fp);.X.|
|00001e00| 09 09 09 69 66 20 28 63 | 31 20 3d 3d 20 27 5c 6e |...if (c|1 == '\n|
|00001e10| 27 29 0a 58 09 09 09 09 | 09 7b 0a 58 09 09 09 09 |').X....|.{.X....|
|00001e20| 09 65 73 63 3d 30 3b 0a | 58 09 09 09 09 09 6c 2b |.esc=0;.|X.....l+|
|00001e30| 2b 3b 0a 58 09 09 09 09 | 09 62 72 65 61 6b 3b 0a |+;.X....|.break;.|
|00001e40| 58 09 09 09 09 09 7d 0a | 58 09 09 09 09 63 3d 67 |X.....}.|X....c=g|
|00001e50| 65 74 63 28 66 70 29 3b | 0a 58 09 09 09 09 69 66 |etc(fp);|.X....if|
|00001e60| 20 28 63 20 3d 3d 20 27 | 5c 6e 27 29 0a 58 09 09 | (c == '|\n').X..|
|00001e70| 09 09 09 7b 0a 58 09 09 | 09 09 09 65 73 63 3d 30 |...{.X..|...esc=0|
|00001e80| 3b 0a 58 09 09 09 09 09 | 6c 2b 2b 3b 0a 58 09 09 |;.X.....|l++;.X..|
|00001e90| 09 09 09 62 72 65 61 6b | 3b 0a 58 09 09 09 09 09 |...break|;.X.....|
|00001ea0| 7d 0a 58 09 09 09 09 69 | 66 20 28 63 31 20 3d 3d |}.X....i|f (c1 ==|
|00001eb0| 20 27 45 27 20 26 26 20 | 63 20 3d 3d 20 27 51 27 | 'E' && |c == 'Q'|
|00001ec0| 29 0a 58 09 09 09 09 09 | 7b 0a 58 09 09 09 09 09 |).X.....|{.X.....|
|00001ed0| 69 66 20 28 65 71 20 3d | 3d 20 31 29 0a 58 09 66 |if (eq =|= 1).X.f|
|00001ee0| 70 72 69 6e 74 66 28 73 | 74 64 65 72 72 2c 22 6c |printf(s|tderr,"l|
|00001ef0| 69 6e 65 20 25 64 3a 20 | 65 71 75 61 74 69 6f 6e |ine %d: |equation|
|00001f00| 20 73 74 61 72 74 65 64 | 20 77 68 69 6c 65 20 65 | started| while e|
|00001f10| 71 75 61 74 69 6f 6e 20 | 61 74 20 6c 69 6e 65 20 |quation |at line |
|00001f20| 25 64 20 69 73 20 73 74 | 69 6c 6c 20 6f 70 65 6e |%d is st|ill open|
|00001f30| 5c 6e 22 2c 6c 2c 65 71 | 6c 29 3b 0a 58 09 09 09 |\n",l,eq|l);.X...|
|00001f40| 09 09 65 71 3d 31 3b 09 | 2f 2a 20 62 65 67 69 6e |..eq=1;.|/* begin|
|00001f50| 6e 69 6e 67 20 6f 66 20 | 65 71 75 61 74 69 6f 6e |ning of |equation|
|00001f60| 20 2a 2f 0a 58 09 09 09 | 09 09 65 71 6c 3d 6c 3b | */.X...|..eql=l;|
|00001f70| 09 2f 2a 20 6c 69 6e 65 | 20 6e 75 6d 62 65 72 20 |./* line| number |
|00001f80| 2a 2f 0a 58 2f 2a 20 47 | 69 76 65 20 77 61 72 6e |*/.X/* G|ive warn|
|00001f90| 69 6e 67 20 61 62 6f 75 | 74 20 75 6e 63 6c 6f 73 |ing abou|t unclos|
|00001fa0| 65 64 20 6f 70 65 6e 69 | 6e 67 73 20 2a 2f 0a 58 |ed openi|ngs */.X|
|00001fb0| 09 09 09 09 09 69 66 20 | 28 28 6c 62 72 2d 72 62 |.....if |((lbr-rb|
|00001fc0| 72 29 20 3e 20 30 29 0a | 58 09 66 70 72 69 6e 74 |r) > 0).|X.fprint|
|00001fd0| 66 28 73 74 64 65 72 72 | 2c 22 6c 69 6e 65 20 25 |f(stderr|,"line %|
|00001fe0| 64 3a 20 25 64 20 75 6e | 63 6c 6f 73 65 64 20 62 |d: %d un|closed b|
|00001ff0| 72 61 63 65 73 20 62 65 | 66 6f 72 65 20 65 71 75 |races be|fore equ|
|00002000| 61 74 69 6f 6e 2c 20 66 | 69 72 73 74 20 62 72 61 |ation, f|irst bra|
|00002010| 63 65 20 6f 70 65 6e 65 | 64 20 61 74 20 6c 69 6e |ce opene|d at lin|
|00002020| 65 20 25 64 5c 6e 22 2c | 65 71 6c 2c 6c 62 72 2d |e %d\n",|eql,lbr-|
|00002030| 72 62 72 2c 6c 62 72 6c | 29 3b 0a 58 09 09 09 09 |rbr,lbrl|);.X....|
|00002040| 09 69 66 20 28 28 6c 62 | 2d 72 62 29 20 3e 20 30 |.if ((lb|-rb) > 0|
|00002050| 29 0a 58 09 66 70 72 69 | 6e 74 66 28 73 74 64 65 |).X.fpri|ntf(stde|
|00002060| 72 72 2c 22 6c 69 6e 65 | 20 25 64 3a 20 25 64 20 |rr,"line| %d: %d |
|00002070| 75 6e 63 6c 6f 73 65 64 | 20 62 72 61 63 6b 65 74 |unclosed| bracket|
|00002080| 73 20 62 65 66 6f 72 65 | 20 65 71 75 61 74 69 6f |s before| equatio|
|00002090| 6e 2c 20 66 69 72 73 74 | 20 62 72 61 63 6b 65 74 |n, first| bracket|
|000020a0| 20 6f 70 65 6e 65 64 20 | 61 74 20 6c 69 6e 65 20 | opened |at line |
|000020b0| 25 64 5c 6e 22 2c 65 71 | 6c 2c 6c 62 2d 72 62 2c |%d\n",eq|l,lb-rb,|
|000020c0| 6c 62 6c 29 3b 0a 58 09 | 09 09 09 09 69 66 20 28 |lbl);.X.|....if (|
|000020d0| 28 6c 70 2d 72 70 29 20 | 3e 20 30 29 0a 58 09 66 |(lp-rp) |> 0).X.f|
|000020e0| 70 72 69 6e 74 66 28 73 | 74 64 65 72 72 2c 22 6c |printf(s|tderr,"l|
|000020f0| 69 6e 65 20 25 64 3a 20 | 25 64 20 75 6e 63 6c 6f |ine %d: |%d unclo|
|00002100| 73 65 64 20 70 61 72 65 | 6e 74 68 65 73 65 73 20 |sed pare|ntheses |
|00002110| 62 65 66 6f 72 65 20 65 | 71 75 61 74 69 6f 6e 2c |before e|quation,|
|00002120| 20 66 69 72 73 74 20 70 | 61 72 65 6e 74 68 65 73 | first p|arenthes|
|00002130| 69 73 20 6f 70 65 6e 65 | 64 20 61 74 20 6c 69 6e |is opene|d at lin|
|00002140| 65 20 25 64 5c 6e 22 2c | 65 71 6c 2c 6c 70 2d 72 |e %d\n",|eql,lp-r|
|00002150| 70 2c 6c 70 6c 29 3b 0a | 58 2f 2a 20 63 6c 65 61 |p,lpl);.|X/* clea|
|00002160| 72 20 72 65 67 69 73 74 | 65 72 73 20 2a 2f 0a 58 |r regist|ers */.X|
|00002170| 09 09 09 09 09 6c 70 3d | 30 3b 20 6c 62 3d 30 3b |.....lp=|0; lb=0;|
|00002180| 20 6c 62 72 3d 30 3b 0a | 58 09 09 09 09 09 72 70 | lbr=0;.|X.....rp|
|00002190| 3d 30 3b 20 72 62 3d 30 | 3b 20 72 62 72 3d 30 3b |=0; rb=0|; rbr=0;|
|000021a0| 0a 58 09 09 09 09 09 6c | 70 6c 3d 30 3b 20 6c 62 |.X.....l|pl=0; lb|
|000021b0| 72 6c 3d 30 3b 20 6c 62 | 6c 3d 30 3b 0a 58 09 09 |rl=0; lb|l=0;.X..|
|000021c0| 09 09 09 7d 0a 58 09 09 | 09 09 65 6c 73 65 20 69 |...}.X..|..else i|
|000021d0| 66 20 28 63 31 20 3d 3d | 20 27 45 27 20 26 26 20 |f (c1 ==| 'E' && |
|000021e0| 63 20 3d 3d 20 27 4e 27 | 29 0a 58 09 09 09 09 09 |c == 'N'|).X.....|
|000021f0| 7b 0a 58 09 09 09 09 09 | 69 66 20 28 65 71 20 3d |{.X.....|if (eq =|
|00002200| 3d 20 30 29 0a 58 09 66 | 70 72 69 6e 74 66 28 73 |= 0).X.f|printf(s|
|00002210| 74 64 65 72 72 2c 22 6c | 69 6e 65 20 25 64 3a 20 |tderr,"l|ine %d: |
|00002220| 65 71 75 61 74 69 6f 6e | 20 65 6e 64 73 20 62 75 |equation| ends bu|
|00002230| 74 20 6e 6f 20 65 71 75 | 61 74 69 6f 6e 20 62 65 |t no equ|ation be|
|00002240| 67 69 6e 6e 69 6e 67 5c | 6e 22 2c 6c 29 3b 0a 58 |ginning\|n",l);.X|
|00002250| 2f 2a 20 47 69 76 65 20 | 77 61 72 6e 69 6e 67 20 |/* Give |warning |
|00002260| 61 62 6f 75 74 20 75 6e | 63 6c 6f 73 65 64 20 6f |about un|closed o|
|00002270| 70 65 6e 69 6e 67 73 20 | 2a 2f 0a 58 09 09 09 09 |penings |*/.X....|
|00002280| 09 69 66 20 28 28 6c 62 | 72 2d 72 62 72 29 20 3e |.if ((lb|r-rbr) >|
|00002290| 20 30 29 0a 58 09 66 70 | 72 69 6e 74 66 28 73 74 | 0).X.fp|rintf(st|
|000022a0| 64 65 72 72 2c 22 6c 69 | 6e 65 20 25 64 3a 20 25 |derr,"li|ne %d: %|
|000022b0| 64 20 75 6e 63 6c 6f 73 | 65 64 20 62 72 61 63 65 |d unclos|ed brace|
|000022c0| 73 20 69 6e 20 65 71 75 | 61 74 69 6f 6e 5c 6e 22 |s in equ|ation\n"|
|000022d0| 2c 65 71 6c 2c 6c 62 72 | 2d 72 62 72 29 3b 0a 58 |,eql,lbr|-rbr);.X|
|000022e0| 09 09 09 09 09 69 66 20 | 28 28 6c 62 2d 72 62 29 |.....if |((lb-rb)|
|000022f0| 20 3e 20 30 29 0a 58 09 | 66 70 72 69 6e 74 66 28 | > 0).X.|fprintf(|
|00002300| 73 74 64 65 72 72 2c 22 | 6c 69 6e 65 20 25 64 3a |stderr,"|line %d:|
|00002310| 20 25 64 20 75 6e 63 6c | 6f 73 65 64 20 62 72 61 | %d uncl|osed bra|
|00002320| 63 6b 65 74 73 20 69 6e | 20 65 71 75 61 74 69 6f |ckets in| equatio|
|00002330| 6e 5c 6e 22 2c 65 71 6c | 2c 6c 62 2d 72 62 29 3b |n\n",eql|,lb-rb);|
|00002340| 0a 58 09 09 09 09 09 69 | 66 20 28 28 6c 70 2d 72 |.X.....i|f ((lp-r|
|00002350| 70 29 20 3e 20 30 29 0a | 58 09 66 70 72 69 6e 74 |p) > 0).|X.fprint|
|00002360| 66 28 73 74 64 65 72 72 | 2c 22 6c 69 6e 65 20 25 |f(stderr|,"line %|
|00002370| 64 3a 20 25 64 20 75 6e | 63 6c 6f 73 65 64 20 70 |d: %d un|closed p|
|00002380| 61 72 65 6e 74 68 65 73 | 65 73 20 69 6e 20 65 71 |arenthes|es in eq|
|00002390| 75 61 74 69 6f 6e 5c 6e | 22 2c 65 71 6c 2c 6c 70 |uation\n|",eql,lp|
|000023a0| 2d 72 70 29 3b 0a 58 2f | 2a 20 63 6c 65 61 72 20 |-rp);.X/|* clear |
|000023b0| 72 65 67 69 73 74 65 72 | 73 20 2a 2f 0a 58 09 09 |register|s */.X..|
|000023c0| 09 09 09 6c 70 3d 30 3b | 20 6c 62 3d 30 3b 20 6c |...lp=0;| lb=0; l|
|000023d0| 62 72 3d 30 3b 0a 58 09 | 09 09 09 09 72 70 3d 30 |br=0;.X.|....rp=0|
|000023e0| 3b 20 72 62 3d 30 3b 20 | 72 62 72 3d 30 3b 0a 58 |; rb=0; |rbr=0;.X|
|000023f0| 09 09 09 09 09 6c 70 6c | 3d 30 3b 20 6c 62 72 6c |.....lpl|=0; lbrl|
|00002400| 3d 30 3b 20 6c 62 6c 3d | 30 3b 0a 58 09 09 09 09 |=0; lbl=|0;.X....|
|00002410| 09 65 71 3d 30 3b 09 2f | 2a 20 65 6e 64 20 6f 66 |.eq=0;./|* end of|
|00002420| 20 65 71 75 61 74 69 6f | 6e 20 2a 2f 0a 58 09 09 | equatio|n */.X..|
|00002430| 09 09 09 7d 0a 58 09 09 | 09 09 65 6c 73 65 0a 58 |...}.X..|..else.X|
|00002440| 09 09 09 09 09 77 68 69 | 6c 65 20 28 28 63 20 3d |.....whi|le ((c =|
|00002450| 20 67 65 74 63 28 66 70 | 29 29 20 21 3d 20 45 4f | getc(fp|)) != EO|
|00002460| 46 29 0a 58 09 09 09 09 | 09 09 69 66 20 28 63 20 |F).X....|..if (c |
|00002470| 3d 3d 20 27 5c 6e 27 29 | 0a 58 09 09 09 09 09 09 |== '\n')|.X......|
|00002480| 09 7b 0a 58 09 09 09 09 | 09 09 09 6c 2b 2b 3b 0a |.{.X....|...l++;.|
|00002490| 58 09 09 09 09 09 09 09 | 62 72 65 61 6b 3b 0a 58 |X.......|break;.X|
|000024a0| 09 09 09 09 09 09 09 7d | 0a 58 09 09 09 09 7d 0a |.......}|.X....}.|
|000024b0| 58 09 09 09 65 73 63 20 | 3d 20 30 3b 09 09 2f 2a |X...esc |= 0;../*|
|000024c0| 20 65 73 63 61 70 65 20 | 73 74 61 74 75 73 20 2a | escape |status *|
|000024d0| 2f 0a 58 09 09 09 62 72 | 65 61 6b 3b 0a 58 09 09 |/.X...br|eak;.X..|
|000024e0| 63 61 73 65 20 27 64 27 | 3a 0a 58 2f 2a 20 63 68 |case 'd'|:.X/* ch|
|000024f0| 65 63 6b 20 66 6f 72 20 | 70 6f 73 73 69 62 6c 65 |eck for |possible|
|00002500| 20 64 65 66 69 6e 65 3b | 20 69 67 6e 6f 72 65 20 | define;| ignore |
|00002510| 64 65 66 69 6e 65 20 6c | 69 6e 65 73 20 2a 2f 0a |define l|ines */.|
|00002520| 58 09 09 09 65 73 63 20 | 3d 20 30 3b 0a 58 09 09 |X...esc |= 0;.X..|
|00002530| 09 69 66 20 28 65 71 20 | 3d 3d 20 31 20 26 26 20 |.if (eq |== 1 && |
|00002540| 63 31 20 3d 3d 20 27 5c | 6e 27 29 0a 58 09 09 09 |c1 == '\|n').X...|
|00002550| 09 7b 0a 58 09 09 09 09 | 69 66 20 28 28 63 20 3d |.{.X....|if ((c =|
|00002560| 20 67 65 74 63 28 66 70 | 29 29 20 3d 3d 20 27 65 | getc(fp|)) == 'e|
|00002570| 27 29 0a 58 09 09 09 09 | 69 66 20 28 28 63 20 3d |').X....|if ((c =|
|00002580| 20 67 65 74 63 28 66 70 | 29 29 20 3d 3d 20 27 66 | getc(fp|)) == 'f|
|00002590| 27 29 0a 58 09 09 09 09 | 69 66 20 28 28 63 20 3d |').X....|if ((c =|
|000025a0| 20 67 65 74 63 28 66 70 | 29 29 20 3d 3d 20 27 69 | getc(fp|)) == 'i|
|000025b0| 27 29 0a 58 09 09 09 09 | 69 66 20 28 28 63 20 3d |').X....|if ((c =|
|000025c0| 20 67 65 74 63 28 66 70 | 29 29 20 3d 3d 20 27 6e | getc(fp|)) == 'n|
|000025d0| 27 29 0a 58 09 09 09 09 | 69 66 20 28 28 63 20 3d |').X....|if ((c =|
|000025e0| 20 67 65 74 63 28 66 70 | 29 29 20 3d 3d 20 27 65 | getc(fp|)) == 'e|
|000025f0| 27 29 0a 58 09 09 09 09 | 09 77 68 69 6c 65 20 28 |').X....|.while (|
|00002600| 28 63 20 3d 20 67 65 74 | 63 28 66 70 29 29 20 21 |(c = get|c(fp)) !|
|00002610| 3d 20 45 4f 46 29 0a 58 | 09 09 09 09 09 09 69 66 |= EOF).X|......if|
|00002620| 20 28 63 20 3d 3d 20 27 | 5c 6e 27 29 09 62 72 65 | (c == '|\n').bre|
|00002630| 61 6b 3b 0a 58 09 09 09 | 09 69 66 20 28 63 20 3d |ak;.X...|.if (c =|
|00002640| 3d 20 27 5c 6e 27 29 09 | 6c 2b 2b 3b 0a 58 09 09 |= '\n').|l++;.X..|
|00002650| 09 09 7d 0a 58 2f 2a 20 | 69 66 20 77 65 20 67 72 |..}.X/* |if we gr|
|00002660| 61 70 70 65 64 20 61 20 | 63 68 61 72 61 63 74 65 |apped a |characte|
|00002670| 72 20 6e 6f 74 20 69 6e | 20 74 68 65 20 77 6f 72 |r not in| the wor|
|00002680| 64 20 22 64 65 66 69 6e | 65 22 2c 20 67 6f 20 74 |d "defin|e", go t|
|00002690| 6f 20 73 77 69 74 63 68 | 0a 58 20 20 20 74 6f 20 |o switch|.X   to |
|000026a0| 70 61 72 73 65 20 74 68 | 65 20 72 65 73 74 20 6f |parse th|e rest o|
|000026b0| 66 20 74 68 65 20 6c 69 | 6e 65 20 2a 2f 0a 58 09 |f the li|ne */.X.|
|000026c0| 09 09 69 66 20 28 21 28 | 63 3d 3d 27 64 27 7c 7c |..if (!(|c=='d'|||
|000026d0| 63 3d 3d 27 65 27 7c 7c | 63 3d 3d 27 66 27 7c 7c |c=='e'|||c=='f'|||
|000026e0| 63 3d 3d 27 69 27 7c 7c | 63 3d 3d 27 6e 27 7c 7c |c=='i'|||c=='n'|||
|000026f0| 63 3d 3d 27 5c 6e 27 29 | 29 0a 58 09 09 09 09 09 |c=='\n')|).X.....|
|00002700| 09 67 6f 74 6f 20 74 6f | 70 3b 0a 58 09 09 09 63 |.goto to|p;.X...c|
|00002710| 31 20 3d 20 27 20 27 3b | 0a 58 09 09 09 65 73 63 |1 = ' ';|.X...esc|
|00002720| 20 3d 20 30 3b 09 09 2f | 2a 20 65 73 63 61 70 65 | = 0;../|* escape|
|00002730| 20 73 74 61 74 75 73 20 | 2a 2f 0a 58 09 09 09 62 | status |*/.X...b|
|00002740| 72 65 61 6b 3b 0a 58 09 | 09 63 61 73 65 20 27 5c |reak;.X.|.case '\|
|00002750| 5c 27 3a 0a 58 2f 2a 20 | 63 68 65 63 6b 20 65 73 |\':.X/* |check es|
|00002760| 63 61 70 65 20 73 74 61 | 74 75 73 20 2a 2f 0a 58 |cape sta|tus */.X|
|00002770| 09 09 09 69 66 20 28 63 | 31 20 3d 3d 20 27 5c 5c |...if (c|1 == '\\|
|00002780| 27 20 26 26 20 65 73 63 | 20 3d 3d 20 31 29 09 65 |' && esc| == 1).e|
|00002790| 73 63 20 3d 20 30 3b 0a | 58 09 09 09 65 6c 73 65 |sc = 0;.|X...else|
|000027a0| 09 09 65 73 63 20 3d 20 | 31 3b 0a 58 09 09 09 62 |..esc = |1;.X...b|
|000027b0| 72 65 61 6b 3b 0a 58 09 | 09 64 65 66 61 75 6c 74 |reak;.X.|.default|
|000027c0| 3a 0a 58 09 09 09 65 73 | 63 20 3d 20 30 3b 09 09 |:.X...es|c = 0;..|
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|000027e0| 20 2a 2f 0a 58 09 09 09 | 62 72 65 61 6b 3b 0a 58 | */.X...|break;.X|
|000027f0| 09 09 7d 0a 58 09 63 31 | 3d 63 3b 09 09 09 09 09 |..}.X.c1|=c;.....|
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|00002820| 58 09 69 66 20 28 6c 64 | 20 3d 3d 20 31 20 26 26 |X.if (ld| == 1 &&|
|00002830| 20 72 64 20 3d 3d 20 31 | 29 0a 58 09 09 7b 6c 64 | rd == 1|).X..{ld|
|00002840| 3d 30 2e 3b 09 09 72 64 | 3d 30 2e 3b 7d 09 09 2f |=0.;..rd|=0.;}../|
|00002850| 2a 20 6d 61 74 63 68 65 | 64 20 64 6f 6c 6c 61 72 |* matche|d dollar|
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|00002880| 29 0a 58 09 66 70 72 69 | 6e 74 66 28 73 74 64 65 |).X.fpri|ntf(stde|
|00002890| 72 72 2c 22 66 69 6c 65 | 20 65 6e 64 73 3a 20 25 |rr,"file| ends: %|
|000028a0| 64 20 75 6e 63 6c 6f 73 | 65 64 20 6c 65 66 74 20 |d unclos|ed left |
|000028b0| 62 72 61 63 65 73 2c 20 | 66 69 72 73 74 20 6f 70 |braces, |first op|
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|00002900| 74 64 65 72 72 2c 22 66 | 69 6c 65 20 65 6e 64 73 |tderr,"f|ile ends|
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|00002930| 73 74 20 6f 70 65 6e 65 | 64 20 61 74 20 6c 69 6e |st opene|d at lin|
|00002940| 65 20 25 64 20 5c 6e 22 | 2c 6c 62 2d 72 62 2c 6c |e %d \n"|,lb-rb,l|
|00002950| 62 6c 29 3b 0a 58 69 66 | 20 28 28 6c 70 2d 72 70 |bl);.Xif| ((lp-rp|
|00002960| 29 20 3e 20 30 29 0a 58 | 09 66 70 72 69 6e 74 66 |) > 0).X|.fprintf|
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|000029d0| 64 20 3d 3d 20 31 29 0a | 58 09 66 70 72 69 6e 74 |d == 1).|X.fprint|
|000029e0| 66 28 73 74 64 65 72 72 | 2c 22 66 69 6c 65 20 65 |f(stderr|,"file e|
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|00002a10| 74 20 6c 69 6e 65 20 25 | 64 20 75 6e 63 6c 6f 73 |t line %|d unclos|
|00002a20| 65 64 5c 6e 22 2c 6c 64 | 6c 29 3b 0a 58 69 66 20 |ed\n",ld|l);.Xif |
|00002a30| 28 65 71 20 3d 3d 20 31 | 29 0a 58 09 66 70 72 69 |(eq == 1|).X.fpri|
|00002a40| 6e 74 66 28 73 74 64 65 | 72 72 2c 22 66 69 6c 65 |ntf(stde|rr,"file|
|00002a50| 20 65 6e 64 73 3a 20 65 | 71 75 61 74 69 6f 6e 20 | ends: e|quation |
|00002a60| 73 74 61 72 74 65 64 20 | 61 74 20 6c 69 6e 65 20 |started |at line |
|00002a70| 25 64 20 6e 6f 74 20 63 | 6c 6f 73 65 64 5c 6e 22 |%d not c|losed\n"|
|00002a80| 2c 65 71 6c 29 3b 0a 58 | 7d 0a 40 2f 2f 45 2a 4f |,eql);.X|}.@//E*O|
|00002a90| 2a 46 20 74 72 6d 61 74 | 63 68 2e 63 2f 2f 0a 69 |*F trmat|ch.c//.i|
|00002aa0| 66 20 74 65 73 74 20 38 | 31 35 32 20 2d 6e 65 20 |f test 8|152 -ne |
|00002ab0| 22 60 77 63 20 2d 63 20 | 3c 27 74 72 6d 61 74 63 |"`wc -c |<'trmatc|
|00002ac0| 68 2e 63 27 60 22 3b 20 | 74 68 65 6e 0a 20 20 20 |h.c'`"; |then.   |
|00002ad0| 20 65 63 68 6f 20 73 68 | 61 72 3a 20 65 72 72 6f | echo sh|ar: erro|
|00002ae0| 72 20 74 72 61 6e 73 6d | 69 74 74 69 6e 67 20 22 |r transm|itting "|
|00002af0| 27 74 72 6d 61 74 63 68 | 2e 63 27 22 20 27 28 73 |'trmatch|.c'" '(s|
|00002b00| 68 6f 75 6c 64 20 68 61 | 76 65 20 62 65 65 6e 20 |hould ha|ve been |
|00002b10| 38 31 35 32 20 63 68 61 | 72 61 63 74 65 72 73 29 |8152 cha|racters)|
|00002b20| 27 0a 66 69 0a 66 69 20 | 23 20 65 6e 64 20 6f 66 |'.fi.fi |# end of|
|00002b30| 20 6f 76 65 72 77 72 69 | 74 69 6e 67 20 63 68 65 | overwri|ting che|
|00002b40| 63 6b 0a 65 63 68 6f 20 | 73 68 61 72 3a 20 22 45 |ck.echo |shar: "E|
|00002b50| 6e 64 20 6f 66 20 73 68 | 65 6c 6c 20 61 72 63 68 |nd of sh|ell arch|
|00002b60| 69 76 65 2e 22 0a 65 78 | 69 74 20 30 0a          |ive.".ex|it 0.   |
+--------+-------------------------+-------------------------+--------+--------+