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|00000000| 25 20 63 70 72 6f 67 2e | 74 65 78 20 28 6f 72 20 |% cprog.|tex (or |
|00000010| 63 70 72 6f 67 2e 73 74 | 79 29 20 2d 20 66 6f 72 |cprog.st|y) - for|
|00000020| 6d 61 74 74 69 6e 67 20 | 6f 66 20 43 20 70 72 6f |matting |of C pro|
|00000030| 67 72 61 6d 73 0a 25 20 | 42 79 20 5c 27 45 61 6d |grams.% |By \'Eam|
|00000040| 6f 6e 6e 20 4d 63 4d 61 | 6e 75 73 20 3c 65 6d 63 |onn McMa|nus <emc|
|00000050| 6d 61 6e 75 73 40 63 73 | 2e 74 63 64 2e 69 65 3e |manus@cs|.tcd.ie>|
|00000060| 2e 20 20 54 68 69 73 20 | 66 69 6c 65 20 69 73 20 |.  This |file is |
|00000070| 6e 6f 74 20 63 6f 70 79 | 72 69 67 68 74 65 64 2e |not copy|righted.|
|00000080| 0a 25 20 24 49 64 3a 20 | 63 70 72 6f 67 2e 74 65 |.% $Id: |cprog.te|
|00000090| 78 2c 76 20 31 2e 34 20 | 39 30 2f 30 39 2f 31 32 |x,v 1.4 |90/09/12|
|000000a0| 20 32 33 3a 32 31 3a 32 | 36 20 65 6d 63 6d 61 6e | 23:21:2|6 emcman|
|000000b0| 75 73 20 45 78 70 20 24 | 0a 0a 25 20 54 68 69 73 |us Exp $|..% This|
|000000c0| 20 61 6c 6c 6f 77 73 20 | 43 20 70 72 6f 67 72 61 | allows |C progra|
|000000d0| 6d 73 20 74 6f 20 62 65 | 20 66 6f 72 6d 61 74 74 |ms to be| formatt|
|000000e0| 65 64 20 64 69 72 65 63 | 74 6c 79 20 62 79 20 54 |ed direc|tly by T|
|000000f0| 65 58 2e 20 20 49 74 20 | 63 61 6e 20 62 65 0a 25 |eX.  It |can be.%|
|00000100| 20 69 6e 76 6f 6b 65 64 | 20 62 79 20 5c 63 70 72 | invoked| by \cpr|
|00000110| 6f 67 66 69 6c 65 7b 66 | 69 6c 65 6e 61 6d 65 7d |ogfile{f|ilename}|
|00000120| 20 6f 72 20 28 69 6e 20 | 4c 61 54 65 58 29 20 5c | or (in |LaTeX) \|
|00000130| 62 65 67 69 6e 7b 63 70 | 72 6f 67 7d 20 2e 2e 2e |begin{cp|rog} ...|
|00000140| 0a 25 20 5c 65 6e 64 7b | 63 70 72 6f 67 7d 20 6f |.% \end{|cprog} o|
|00000150| 72 20 28 69 6e 20 70 6c | 61 69 6e 20 54 65 58 29 |r (in pl|ain TeX)|
|00000160| 20 5c 63 70 72 6f 67 20 | 2e 2e 2e 20 5c 65 6e 64 | \cprog |... \end|
|00000170| 7b 63 70 72 6f 67 7d 2e | 20 20 49 6e 20 4c 61 54 |{cprog}.|  In LaT|
|00000180| 65 58 2c 20 74 68 65 0a | 25 20 61 6c 74 65 72 6e |eX, the.|% altern|
|00000190| 61 74 69 76 65 20 66 6f | 72 6d 20 5c 62 65 67 69 |ative fo|rm \begi|
|000001a0| 6e 7b 63 70 72 6f 67 2a | 7d 20 69 73 20 61 6c 6c |n{cprog*|} is all|
|000001b0| 6f 77 65 64 2c 20 77 68 | 65 72 65 20 73 70 61 63 |owed, wh|ere spac|
|000001c0| 65 73 20 69 6e 20 43 20 | 73 74 72 69 6e 67 73 0a |es in C |strings.|
|000001d0| 25 20 61 72 65 20 70 72 | 69 6e 74 65 64 20 75 73 |% are pr|inted us|
|000001e0| 69 6e 67 20 74 68 65 20 | 60 73 71 75 61 72 65 20 |ing the |`square |
|000001f0| 75 27 20 63 68 61 72 61 | 63 74 65 72 20 28 6c 69 |u' chara|cter (li|
|00000200| 6b 65 20 4c 61 54 65 58 | 20 7b 76 65 72 62 61 74 |ke LaTeX| {verbat|
|00000210| 69 6d 2a 7d 29 2e 0a 25 | 20 49 6e 20 70 6c 61 69 |im*})..%| In plai|
|00000220| 6e 20 54 65 58 2c 20 79 | 6f 75 20 68 61 76 65 20 |n TeX, y|ou have |
|00000230| 74 6f 20 75 73 65 20 5c | 63 73 6e 61 6d 65 20 63 |to use \|csname c|
|00000240| 70 72 6f 67 2a 5c 65 6e | 64 63 73 6e 61 6d 65 20 |prog*\en|dcsname |
|00000250| 66 6f 72 20 74 68 69 73 | 20 28 73 6f 72 72 79 29 |for this| (sorry)|
|00000260| 2e 0a 25 20 49 66 20 79 | 6f 75 20 61 72 65 20 75 |..% If y|ou are u|
|00000270| 73 69 6e 67 20 5c 63 70 | 72 6f 67 66 69 6c 65 2c |sing \cp|rogfile,|
|00000280| 20 73 61 79 20 5c 63 70 | 72 6f 67 74 74 73 70 61 | say \cp|rogttspa|
|00000290| 63 65 74 72 75 65 20 62 | 65 66 6f 72 65 68 61 6e |cetrue b|eforehan|
|000002a0| 64 20 69 66 20 79 6f 75 | 0a 25 20 77 61 6e 74 20 |d if you|.% want |
|000002b0| 74 68 69 73 20 65 66 66 | 65 63 74 2e 0a 0a 25 20 |this eff|ect...% |
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|000002d0| 73 20 28 6e 65 63 65 73 | 73 61 72 69 6c 79 29 20 |s (neces|sarily) |
|000002e0| 73 69 6d 70 6c 65 2e 20 | 20 43 20 74 65 78 74 20 |simple. | C text |
|000002f0| 69 73 20 73 65 74 20 69 | 6e 20 61 20 6e 6f 72 6d |is set i|n a norm|
|00000300| 61 6c 20 52 6f 6d 61 6e | 0a 25 20 66 6f 6e 74 2c |al Roman|.% font,|
|00000310| 20 63 6f 6d 6d 65 6e 74 | 73 20 69 6e 20 61 20 73 | comment|s in a s|
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|00000330| 20 73 74 72 69 6e 67 73 | 20 69 6e 20 61 20 74 79 | strings| in a ty|
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|00000350| 69 74 68 0a 25 20 73 70 | 61 63 65 73 20 6f 70 74 |ith.% sp|aces opt|
|00000360| 69 6f 6e 61 6c 6c 79 20 | 6d 61 64 65 20 76 69 73 |ionally |made vis|
|00000370| 69 62 6c 65 20 61 73 20 | 74 68 65 20 60 73 71 75 |ible as |the `squ|
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|00000390| 54 61 62 73 20 61 72 65 | 0a 25 20 65 78 70 61 6e |Tabs are|.% expan|
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|000003e0| 61 6c 69 67 6e 65 64 20 | 74 6f 20 74 68 65 20 72 |aligned |to the r|
|000003f0| 69 67 68 74 20 6f 66 20 | 70 72 6f 67 72 61 6d 20 |ight of |program |
|00000400| 74 65 78 74 29 2e 20 20 | 53 6f 6d 65 20 70 61 69 |text).  |Some pai|
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|00000430| 61 73 20 73 69 6e 67 6c | 65 20 6f 75 74 70 75 74 |as singl|e output|
|00000440| 20 63 68 61 72 61 63 74 | 65 72 73 3a 20 3c 3c 20 | charact|ers: << |
|00000450| 3c 3d 20 3e 3e 20 3e 3d | 20 21 3d 20 2d 3e 20 61 |<= >> >=| != -> a|
|00000460| 72 65 20 72 65 73 70 65 | 63 74 69 76 65 6c 79 0a |re respe|ctively.|
|00000470| 25 20 54 65 58 27 73 20 | 5c 6c 6c 20 5c 6c 65 20 |% TeX's |\ll \le |
|00000480| 5c 67 67 20 5c 67 65 20 | 5c 6e 65 20 5c 72 69 67 |\gg \ge |\ne \rig|
|00000490| 68 74 61 72 72 6f 77 2e | 20 20 53 61 79 20 5c 63 |htarrow.|  Say \c|
|000004a0| 70 72 6f 67 70 61 69 72 | 73 66 61 6c 73 65 20 74 |progpair|sfalse t|
|000004b0| 6f 20 64 69 73 61 62 6c | 65 0a 25 20 74 68 69 73 |o disabl|e.% this|
|000004c0| 2e 0a 0a 25 20 59 6f 75 | 20 63 61 6e 20 65 73 63 |...% You| can esc|
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|000004e0| 6e 20 63 70 72 6f 67 20 | 74 65 78 74 20 62 79 20 |n cprog |text by |
|000004f0| 64 65 66 69 6e 69 6e 67 | 20 61 6e 20 65 73 63 61 |defining| an esca|
|00000500| 70 65 20 63 68 61 72 61 | 63 74 65 72 2e 0a 25 20 |pe chara|cter..% |
|00000510| 54 68 65 20 63 68 61 72 | 61 63 74 65 72 20 40 20 |The char|acter @ |
|00000520| 69 73 20 73 75 69 74 61 | 62 6c 65 20 66 6f 72 20 |is suita|ble for |
|00000530| 43 20 61 6e 64 20 50 61 | 73 63 61 6c 2e 20 20 49 |C and Pa|scal.  I|
|00000540| 20 68 61 76 65 20 6e 6f | 74 20 74 65 73 74 65 64 | have no|t tested|
|00000550| 20 6f 74 68 65 72 0a 25 | 20 63 68 61 72 61 63 74 | other.%| charact|
|00000560| 65 72 73 20 73 6f 20 74 | 68 65 79 20 6d 61 79 20 |ers so t|hey may |
|00000570| 69 6e 74 65 72 61 63 74 | 20 62 61 64 6c 79 20 77 |interact| badly w|
|00000580| 69 74 68 20 74 68 65 69 | 72 20 65 78 69 73 74 69 |ith thei|r existi|
|00000590| 6e 67 20 64 65 66 69 6e | 69 74 69 6f 6e 73 20 68 |ng defin|itions h|
|000005a0| 65 72 65 2e 0a 25 20 54 | 6f 20 64 65 66 69 6e 65 |ere..% T|o define|
|000005b0| 20 40 20 61 73 20 74 68 | 65 20 65 73 63 61 70 65 | @ as th|e escape|
|000005c0| 20 63 68 61 72 61 63 74 | 65 72 2c 20 64 6f 20 5c | charact|er, do \|
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|000005e0| 68 65 6e 20 77 69 74 68 | 69 6e 20 74 65 78 74 0a |hen with|in text.|
|000005f0| 25 20 79 6f 75 20 63 61 | 6e 20 64 6f 20 40 20 66 |% you ca|n do @ f|
|00000600| 6f 6c 6c 6f 77 65 64 20 | 62 79 20 54 65 58 20 63 |ollowed |by TeX c|
|00000610| 6f 6d 6d 61 6e 64 73 2e | 20 20 54 68 65 73 65 20 |ommands.|  These |
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|00000630| 20 69 6e 20 61 20 54 65 | 58 0a 25 20 67 72 6f 75 | in a Te|X.% grou|
|00000640| 70 20 77 69 74 68 20 74 | 68 65 20 5c 63 61 74 63 |p with t|he \catc|
|00000650| 6f 64 65 73 20 6f 66 20 | 5c 7b 7d 25 20 61 73 20 |odes of |\{}% as |
|00000660| 6e 6f 72 6d 61 6c 2e 20 | 20 54 68 65 20 63 6f 6d |normal. | The com|
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|00002860| 6b 69 70 5c 62 65 66 6f | 72 65 63 70 72 6f 67 73 |kip\befo|recprogs|
|00002870| 6b 69 70 7d 0a 5c 64 65 | 66 5c 65 6e 64 63 70 72 |kip}.\de|f\endcpr|
|00002880| 6f 67 7b 5c 65 6e 64 67 | 72 6f 75 70 20 5c 76 73 |og{\endg|roup \vs|
|00002890| 6b 69 70 5c 61 66 74 65 | 72 63 70 72 6f 67 73 6b |kip\afte|rcprogsk|
|000028a0| 69 70 7d 0a 5c 64 65 66 | 5c 63 70 72 6f 67 66 69 |ip}.\def|\cprogfi|
|000028b0| 6c 65 23 31 7b 5c 62 65 | 67 69 6e 67 72 6f 75 70 |le#1{\be|gingroup|
|000028c0| 20 5c 63 70 72 6f 67 73 | 65 74 75 70 20 5c 69 6e | \cprogs|etup \in|
|000028d0| 70 75 74 23 31 5c 65 6e | 64 63 70 72 6f 67 7d 0a |put#1\en|dcprog}.|
|000028e0| 5c 64 65 66 5c 63 70 72 | 6f 67 7b 5c 62 65 67 69 |\def\cpr|og{\begi|
|000028f0| 6e 67 72 6f 75 70 20 5c | 63 70 72 6f 67 74 74 73 |ngroup \|cprogtts|
|00002900| 70 61 63 65 66 61 6c 73 | 65 20 5c 63 70 72 6f 67 |pacefals|e \cprog|
|00002910| 73 65 74 75 70 20 5c 63 | 70 72 6f 67 61 72 67 7d |setup \c|progarg}|
|00002920| 0a 25 20 4c 69 6b 65 20 | 7b 76 65 72 62 61 74 69 |.% Like |{verbati|
|00002930| 6d 2a 7d 2c 20 7b 63 70 | 72 6f 67 2a 7d 20 75 73 |m*}, {cp|rog*} us|
|00002940| 65 73 20 60 73 71 75 61 | 72 65 20 75 27 20 66 6f |es `squa|re u' fo|
|00002950| 72 20 73 70 61 63 65 73 | 20 69 6e 20 71 75 6f 74 |r spaces| in quot|
|00002960| 65 64 20 73 74 72 69 6e | 67 73 2e 0a 5c 65 78 70 |ed strin|gs..\exp|
|00002970| 61 6e 64 61 66 74 65 72 | 5c 64 65 66 5c 63 73 6e |andafter|\def\csn|
|00002980| 61 6d 65 20 63 70 72 6f | 67 2a 5c 65 6e 64 63 73 |ame cpro|g*\endcs|
|00002990| 6e 61 6d 65 7b 25 0a 20 | 20 20 20 20 20 20 20 5c |name{%. |       \|
|000029a0| 62 65 67 69 6e 67 72 6f | 75 70 20 5c 63 70 72 6f |begingro|up \cpro|
|000029b0| 67 74 74 73 70 61 63 65 | 74 72 75 65 20 5c 63 70 |gttspace|true \cp|
|000029c0| 72 6f 67 73 65 74 75 70 | 20 5c 63 70 72 6f 67 61 |rogsetup| \cproga|
|000029d0| 72 67 7d 0a 5c 65 78 70 | 61 6e 64 61 66 74 65 72 |rg}.\exp|andafter|
|000029e0| 5c 6c 65 74 5c 63 73 6e | 61 6d 65 20 65 6e 64 63 |\let\csn|ame endc|
|000029f0| 70 72 6f 67 2a 5c 65 6e | 64 63 73 6e 61 6d 65 3d |prog*\en|dcsname=|
|00002a00| 5c 65 6e 64 63 70 72 6f | 67 0a 25 20 49 6e 20 4c |\endcpro|g.% In L|
|00002a10| 61 54 65 58 20 77 65 20 | 6e 65 65 64 20 74 6f 20 |aTeX we |need to |
|00002a20| 63 61 6c 6c 20 5c 65 6e | 64 7b 63 70 72 6f 67 7d |call \en|d{cprog}|
|00002a30| 20 70 72 6f 70 65 72 6c | 79 20 74 6f 20 63 6c 6f | properl|y to clo|
|00002a40| 73 65 20 74 68 65 20 65 | 6e 76 69 72 6f 6e 6d 65 |se the e|nvironme|
|00002a50| 6e 74 2c 0a 25 20 77 68 | 65 72 65 61 73 20 69 6e |nt,.% wh|ereas in|
|00002a60| 20 70 6c 61 69 6e 20 54 | 65 58 20 74 68 69 73 20 | plain T|eX this |
|00002a70| 77 69 6c 6c 20 65 6e 64 | 20 74 68 65 20 6a 6f 62 |will end| the job|
|00002a80| 2e 20 20 54 68 65 20 74 | 65 73 74 20 66 6f 72 20 |.  The t|est for |
|00002a90| 4c 61 54 65 58 20 69 73 | 20 6e 6f 74 0a 25 20 62 |LaTeX is| not.% b|
|00002aa0| 75 6c 6c 65 74 70 72 6f | 6f 66 2c 20 62 75 74 20 |ulletpro|of, but |
|00002ab0| 6d 6f 73 74 20 70 6c 61 | 69 6e 20 54 65 58 20 64 |most pla|in TeX d|
|00002ac0| 6f 63 75 6d 65 6e 74 73 | 20 64 6f 6e 27 74 20 72 |ocuments| don't r|
|00002ad0| 65 66 65 72 20 74 6f 20 | 74 68 65 20 4c 61 54 65 |efer to |the LaTe|
|00002ae0| 58 20 6c 6f 67 6f 2e 0a | 5c 69 66 78 5c 75 6e 64 |X logo..|\ifx\und|
|00002af0| 65 66 69 6e 65 64 5c 4c | 61 54 65 58 20 5c 6c 65 |efined\L|aTeX \le|
|00002b00| 74 5c 65 6e 64 63 70 72 | 6f 67 61 72 67 3d 5c 65 |t\endcpr|ogarg=\e|
|00002b10| 6e 64 63 70 72 6f 67 0a | 5c 65 6c 73 65 20 5c 64 |ndcprog.|\else \d|
|00002b20| 65 66 5c 65 6e 64 63 70 | 72 6f 67 61 72 67 7b 5c |ef\endcp|rogarg{\|
|00002b30| 69 66 63 70 72 6f 67 74 | 74 73 70 61 63 65 5c 65 |ifcprogt|tspace\e|
|00002b40| 6e 64 7b 63 70 72 6f 67 | 2a 7d 5c 65 6c 73 65 5c |nd{cprog|*}\else\|
|00002b50| 65 6e 64 7b 63 70 72 6f | 67 7d 5c 66 69 7d 0a 5c |end{cpro|g}\fi}.\|
|00002b60| 66 69 0a 0a 5c 66 69 20 | 20 20 20 20 25 20 5c 69 |fi..\fi |    % \i|
|00002b70| 66 78 5c 75 6e 64 65 66 | 69 6e 65 64 5c 63 70 72 |fx\undef|ined\cpr|
|00002b80| 6f 67 73 65 74 75 70 0a | 0a 5c 65 6e 64 69 6e 70 |ogsetup.|.\endinp|
|00002b90| 75 74 0a 0a             |                         |ut..    |        |
+--------+-------------------------+-------------------------+--------+--------+